id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
2267ea9762c7b0080d5747726f95cdd32d521361
Analyze and fix the following issue in the Linux kernel code: ALSA: HDA: Fix typo for ALC269VB_FIXUP_DMIC
Problem Details: This fixup is not actually used, so in practice this is just a cosmetic fix. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d24adbd023ee..5e82acf77c5a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5320,7 +5320,7 @@ static const struct alc_fixup alc269_fixups[] = { { } }, }, - [ALC269_FIXUP_DMIC] = { + [ALC26...
78e2a928e377d5124932d4399c6c581908b027a0
Analyze and fix the following issue in the Linux kernel code: ALSA: HDA: Fix automute for Cirrus Logic 421x
Problem Details: There was a bug in the automute logic causing speakers not to mute when headphones were plugged in. Cc: stable@kernel.org Tested-by: Hsin-Yi Chen <hychen@canonical.com> Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 913955895094..ea660429713d 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -922,16 +922,14 @@ static void cs_automute(struct hda_codec *codec) /* mute speakers if spdif or hp jack is plugged in */ ...
40d03e63e91af8ddccdfd5a536cc2a6e51433e1d
Analyze and fix the following issue in the Linux kernel code: ALSA: HDA: Fix master control for Cirrus Logic 421X
Problem Details: The control name "HP/Speakers" is non-standard, and since there is only one DAC on this chip there is no need for a virtual master anyway. Cc: stable@kernel.org Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index acfb64534bf0..913955895094 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -1779,30 +1779,19 @@ static int build_cs421x_output(struct hda_codec *codec) struct auto_pin_cfg *cfg = &spec->autocfg; st...
716e5db48861be408f9bbb5b49c72818ba85e4d2
Analyze and fix the following issue in the Linux kernel code: ALSA: HDA: Use LPIB position fix for Oaktrail
Problem Details: According to the thread on alsa-devel, the LPIB method is to prefer for Oaktrail controller chip. Reference: http://mailman.alsa-project.org/pipermail/alsa-devel/2012-January/047800.html Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index c6c896b236e8..bdc433673dbe 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2997,7 +2997,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */ { PCI_DEVI...
724577ca355795b0a25c93ccbeee927871ca1a77
Analyze and fix the following issue in the Linux kernel code: ore: Must support none-PAGE-aligned IO
Problem Details: NFS might send us offsets that are not PAGE aligned. So we must read in the reminder of the first/last pages, in cases we need it for Parity calculations. We only add an sg segments to read the partial page. But we don't mark it as read=true because it is a lock-for-write page. TODO: In some cases (I...
```diff diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c index 414a2dfd9500..d222c77cfa1b 100644 --- a/fs/exofs/ore_raid.c +++ b/fs/exofs/ore_raid.c @@ -328,8 +328,8 @@ static int _alloc_read_4_write(struct ore_io_state *ios) /* @si contains info of the to-be-inserted page. Update of @si should be * maintained...
bc31b86a5923fad5f3fbb6192f767f410241ba27
Analyze and fix the following issue in the Linux kernel code: writeback: move MIN_WRITEBACK_PAGES to fs-writeback.c
Problem Details: Fix compile error fs/fs-writeback.c:515:33: error: ‘PAGE_CACHE_SHIFT’ undeclared (first use in this function) Reported-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
```diff diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 92d353e069dc..22e2d42742a9 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -20,6 +20,7 @@ #include <linux/sched.h> #include <linux/fs.h> #include <linux/mm.h> +#include <linux/pagemap.h> #include <linux/kthread.h> #include <linux/freezer.h>...
3167355801505886209374daf86a452034e34ee8
Analyze and fix the following issue in the Linux kernel code: xen/pciback: Fix "device has been assigned to X domain!" warning
Problem Details: The full warning is: "pciback 0000:05:00.0: device has been assigned to 2 domain! Over-writting the ownership, but beware." which is correct - the previous domain that was using the device forgot to unregister the ownership. This patch fixes this by calling the unregister ownership function when the P...
```diff diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 405445965690..7944a17f5cbf 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -235,6 +235,8 @@ void pcistub_put_pci_dev(struct pci_dev *dev) xen_pcibk_config_free_dyn_fields(foun...
96de37b62ca525cd77d2e85aea1472846ee31c4d
Analyze and fix the following issue in the Linux kernel code: tracing: Fix compile error when static ftrace is enabled
Problem Details: The stack tracer uses the call ftrace_set_early_filter() function to allow the stack tracer to pick its own functions on boot. But this function is not defined if dynamic ftrace is not set. This causes a compiler error when stack tracer is enabled and dynamic ftrace is not. Reported-by: Ingo Molnar <m...
```diff diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 41df6f501656..028e26f0bf08 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -339,6 +339,7 @@ static inline int ftrace_text_reserved(void *start, void *end) * functions may still be called. Use a macro instead of inline. */...
fc3e0f8aec05dd812cba2c1e31c3d1f5fc85e55c
Analyze and fix the following issue in the Linux kernel code: via-rhine: per device debug level.
Problem Details: Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
```diff diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 98ec14ebfef3..e39802f37b21 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -39,9 +39,9 @@ /* A few user-configurable values. These may be modified when a driver m...
26e29eeda048aa6699984c4b9d6997dd1a1315db
Analyze and fix the following issue in the Linux kernel code: pktgen: set correct max and min in pktgen_setup_inject()
Problem Details: In 882716604ec "pktgen: fix multiple queue warning" we added special logic to handle the case where ntxq is zero. It's not clear to me that ntxq can actually be zero. But if it were then we would set ->queue_map_min and ->queue_map_max to USHRT_MAX when probably we want to set them to zero? Signed-o...
```diff diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 449fe0f068f8..65f80c7b1656 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2024,13 +2024,13 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) pr_warning("WARNING: Requested queue_map_min (zero-based) (%d) exceeds valid range [0 ...
6c15d74defd38e7e7f8805392578b7a1d508097e
Analyze and fix the following issue in the Linux kernel code: asix: fix infinite loop in rx_fixup()
Problem Details: At this point if skb->len happens to be 2, the subsequant skb_pull(skb, 4) call won't work and the skb->len won't be decreased and won't ever reach 0, resulting in an infinite loop. With an ASIX 88772 under heavy load, without this patch, rx_fixup() reaches an infinite loop in less than a minute. With...
```diff diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index dbdca225b846..df2b08dbbf9e 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -376,7 +376,7 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb) skb_pull(skb, (size + 1) & 0xfffe); - if (skb->len == 0) + ...
77e1e438cbb1b8f9b7a3bb2d4f0264d1dd952d75
Analyze and fix the following issue in the Linux kernel code: r6040: fix typo in use of MCR0 register bits
Problem Details: Commit 4e16d6ebd65b4f2c4e3f780b4c5704beef64019c (r6040: define more MCR0 register bits) added #define values for MCR0 register bits and converted uses of hardcoded magic values to uses of these defines. However, one of the conversions looks suspicious: #define MCR0 0x00 /* Control register 0 */ +#d...
```diff diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index 87aa43935070..cb0eca807852 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -1160,7 +1160,7 @@ static int __devinit r6040_init_one(struct pci_dev *pdev, lp->dev = dev; /* Init RDC ...
25e9e7565f9aa9e4b976387a3fab60bfaa4efac8
Analyze and fix the following issue in the Linux kernel code: ASoC: check for substream not channels_min in pcm engines
Problem Details: This is a follow up on 53dea36c70c1857 which fixes the other affected pcm engines. Description from 53dea36c70c1857: Don't rely on the codec's channels_min information to decide wheter or not allocate a substream's DMA buffer. Rather check if the substream itself was allocated previously. Without ...
```diff diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c index 60de05525c06..a21ff459e5d3 100644 --- a/sound/soc/atmel/atmel-pcm.c +++ b/sound/soc/atmel/atmel-pcm.c @@ -367,7 +367,6 @@ static u64 atmel_pcm_dmamask = 0xffffffff; static int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd) { struct...
6926afd1925a54a13684ebe05987868890665e2b
Analyze and fix the following issue in the Linux kernel code: NFSv4: Save the owner/group name string when doing open
Problem Details: ...so that we can do the uid/gid mapping outside the asynchronous RPC context. This fixes a bug in the current NFSv4 atomic open code where the client isn't able to determine what the true uid/gid fields of the file are, (because the asynchronous nature of the OPEN call denies it the ability to do an u...
```diff diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index 47d1c6ff2d8e..2c05f1991e1e 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -38,6 +38,89 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/nfs_idmap.h> +#include <linux/nfs_fs.h> + +/** + * nfs_fattr_init_names - initialise the nfs_fatt...
f3f511e1ce6f1a6f0a5bb8320e9f802e76f6b999
Analyze and fix the following issue in the Linux kernel code: net: fix sock_clone reference mismatch with tcp memcontrol
Problem Details: Sockets can also be created through sock_clone. Because it copies all data in the sock structure, it also copies the memcg-related pointer, and all should be fine. However, since we now use reference counts in socket creation, we are left with some sockets that have no reference counts. It matters when...
```diff diff --git a/include/net/sock.h b/include/net/sock.h index bb972d254dff..0ed65e3a0bea 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1103,6 +1103,12 @@ sk_sockets_allocated_read_positive(struct sock *sk) return percpu_counter_sum_positive(prot->sockets_allocated); } +static inline void sk_upd...
3796554671e6314e1ab368f5f09e302ba1bda538
Analyze and fix the following issue in the Linux kernel code: [media] dvb-bt8xx: use dprintk for debug statements
Problem Details: This way, the messages will be tagged with KERN_DEBUG and not clutter the log from dmesg unless the "debug" module parameter is set. [mchehab@redhat.com: whitespace fixes] Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index d8a36dd84b6e..6a6f7b95a0c0 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -205,7 +205,7 @@ static int cx24108_tuner_set_params(struct dvb_frontend *fe) 0x00120000,0x0014...
efd279ec3e6129195580d40f88ea6c3f5af701b3
Analyze and fix the following issue in the Linux kernel code: [media] flexcop: CodingStyle fix: don't use "if ((ret = foo()) < 0)"
Problem Details: Lift assignments from "if" conditionals for readability. No change in functionality intended. Suggested-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c index 4d3caca466fd..b1e8c99f469b 100644 --- a/drivers/media/dvb/b2c2/flexcop.c +++ b/drivers/media/dvb/b2c2/flexcop.c @@ -86,7 +86,8 @@ static int flexcop_dvb_init(struct flexcop_device *fc) fc->demux.stop_feed = flexcop_dvb_stop...
6c06108be53ca5e94d8b0e93883d534dd9079646
Analyze and fix the following issue in the Linux kernel code: [media] V4L/DVB: v4l2-ioctl: integer overflow in video_usercopy()
Problem Details: If ctrls->count is too high the multiplication could overflow and array_size would be lower than expected. Mauro and Hans Verkuil suggested that we cap it at 1024. That comes from the maximum number of controls with lots of room for expantion. $ grep V4L2_CID include/linux/videodev2.h | wc -l 211 C...
```diff diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index e1da8fc9dd2f..639abeee3392 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -2226,6 +2226,10 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, struct v4...
93278d151e7bd35ccd0e083d7f2d8123cbaf36f8
Analyze and fix the following issue in the Linux kernel code: power_supply: Drop usage of nowarn variant of sysfs_create_link()
Problem Details: The function is not exported to modules, plus we do want to catch anyone who tries to create complex hierarchy (in that case we'd need to change 'powers' symlink to a directory, probably under a different name to not break ABI). This patch fixes the following build error: ERROR: "sysfs_create_link_n...
```diff diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index bc82f9589a0d..6ad612726785 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -159,7 +159,7 @@ EXPORT_SYMBOL_GPL(power_supply_get_by_name); int power_supply_powers(struct power_supp...
e58d429209105e698e9d0357481d62b37fe9a7dd
Analyze and fix the following issue in the Linux kernel code: x86, reboot: Fix typo in nmi reboot path
Problem Details: It was brought to my attention that my x86 change to use NMI in the reboot path broke Intel Nehalem and Westmere boxes when using kexec. I realized I had mistyped the if statement in commit 3603a2512f9e69dc87914ba922eb4a0812b21cd6 and stuck the ')' in the wrong spot. Putting it in the right spot fixe...
```diff diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 113acda5879e..66c74f481cab 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -176,7 +176,7 @@ static void native_nmi_stop_other_cpus(int wait) */ if (num_online_cpus() > 1) { /* did someone beat us here? */ - if (atomic_cm...
4ed5e82fe77f4147cf386327c9a63a2dd7eff518
Analyze and fix the following issue in the Linux kernel code: vfs: protect remounting superblock read-only
Problem Details: Currently remouting superblock read-only is racy in a major way. With the per mount read-only infrastructure it is now possible to prevent most races, which this patch attempts. Before starting the remount read-only, iterate through all mounts belonging to the superblock and if none of them have any ...
```diff diff --git a/fs/internal.h b/fs/internal.h index 2523a4029452..9962c59ba280 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -52,6 +52,7 @@ extern int finish_automount(struct vfsmount *, struct path *); extern void mnt_make_longterm(struct vfsmount *); extern void mnt_make_shortterm(struct vfsmount *); +ex...
ba68e086223a5f149f37bf8692c8cdbf1b0ba3ef
Analyze and fix the following issue in the Linux kernel code: drm/i915/sdvo: always set positive sync polarity
Problem Details: This is a revert of 81a14b46846fea0741902e8d8dfcc6c6c78154c8. We already set the mode polarity using the SDVO commands with struct intel_sdvo_dtd. We have at least 3 bugs that get fixed with this patch. The documentation, despite not clear, can also be interpreted in a way that suggests this patch is ...
```diff diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index f7b9268df266..e334ec33a47d 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1066,15 +1066,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder, /* Set the SDVO cont...
2e885057b7f75035f0b85e02f737891482815a81
Analyze and fix the following issue in the Linux kernel code: recordmcount: Fix handling of elf64 big-endian objects.
Problem Details: In ELF64, the sh_flags field is 64-bits wide. recordmcount was erroneously treating it as a 32-bit wide field. For little endian objects this works because the flags of interest (SHF_EXECINSTR) reside in the lower 32 bits of the word, and you get the same result with either a 32-bit or 64-bit read. ...
```diff diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h index f40a6af6bf40..54e35c1e5948 100644 --- a/scripts/recordmcount.h +++ b/scripts/recordmcount.h @@ -462,7 +462,7 @@ __has_rel_mcount(Elf_Shdr const *const relhdr, /* is SHT_REL or SHT_RELA */ succeed_file(); } if (w(txthdr->sh_type) != SHT_P...
23bd15ec662344dc10e9918fdd0dbc58bc71526d
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix TV Out refresh rate.
Problem Details: TV Out refresh rate was half of the specification for almost all modes. Due to this reason pixel clock was so low for some modes causing flickering screen. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@kei...
```diff diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index f3c6a9a8b081..2b1fcadbc5ce 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -417,7 +417,7 @@ static const struct tv_mode tv_modes[] = { { .name = "NTSC-M", .clock = 108000, - .ref...
eb31aae8cb5eb54e234ed2d857ddac868195d911
Analyze and fix the following issue in the Linux kernel code: PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB
Problem Details: Some Dell BIOSes have MCFG tables that don't report the entire MMCONFIG area claimed by the chipset. If we move PCI devices into that claimed-but-unreported area, they don't work. This quirk reads the AMD MMCONFIG MSRs and adds PNP0C01 resources as needed to cover the entire area. Example problem sc...
```diff diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index dfbd5a6cc58b..258fef272ea7 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -295,6 +295,45 @@ static void quirk_system_pci_resources(struct pnp_dev *dev) } } +#ifdef CONFIG_AMD_NB + +#include <asm/amd_nb.h> + +static void quirk_a...
424eb391596a38ddf422bee1617e4b9dea60126f
Analyze and fix the following issue in the Linux kernel code: PCI: msi: fix imbalanced refcount of msi irq sysfs objects
Problem Details: This warning was recently reported to me: ------------[ cut here ]------------ WARNING: at lib/kobject.c:595 kobject_put+0x50/0x60() Hardware name: VMware Virtual Platform kobject: '(null)' (ffff880027b0df40): is not initialized, yet kobject_put() is being called. Modules linked in: vmxnet3(+) vmw_bal...
```diff diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 337e16ab4a92..82de95ec2ea0 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -323,8 +323,18 @@ static void free_msi_irqs(struct pci_dev *dev) if (list_is_last(&entry->list, &dev->msi_list)) iounmap(entry->mask_base); } - kobject_del(&...
d56641c7723c92487fb4bbcd995ad74169e2329b
Analyze and fix the following issue in the Linux kernel code: PCI: kconfig: English typo in pci/pcie/Kconfig
Problem Details: Just fix this help text. Signed-off-by: P. Christeas <xrg@linux.gr> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index dc29348264c6..72962cc92e0a 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -39,7 +39,7 @@ config PCIEASPM Power Management) and Clock Power Management. ASPM supports state L0/L0s/L1. - ASPM is initially se...
85b8582d7ca516030efb84d94fa29a73c1d9a125
Analyze and fix the following issue in the Linux kernel code: PCI/PM/Runtime: make PCI traces quieter
Problem Details: When the runtime PM is activated on PCI, if a device switches state frequently (e.g. an EHCI controller with autosuspending USB devices connected) the PCI configuration traces might be very verbose in the kernel log. Let's guard those traces with DEBUG condition. Acked-by: "Rafael J. Wysocki" <rjw@si...
```diff diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 7f9eba9a0b02..0eefa12e648c 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -487,10 +487,10 @@ int acpi_pci_irq_enable(struct pci_dev *dev) else link_desc[0] = '\0'; - dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s...
7ec303a7247a46a7a88a4f890466fd12dbdd5dc6
Analyze and fix the following issue in the Linux kernel code: xtensa/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. This arch was unusual because it filled in bus->resource[0..3] in pcibios_init(), then overwrote them, applied io_space.offset and ...
```diff diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c index 644b2d4b299d..61045c192e88 100644 --- a/arch/xtensa/kernel/pci.c +++ b/arch/xtensa/kernel/pci.c @@ -134,9 +134,46 @@ struct pci_controller * __init pcibios_alloc_controller(void) return pci_ctrl; } +static void __init pci_controller_ape...
2b591616ada6cf499a4e83bf453761e40dc53059
Analyze and fix the following issue in the Linux kernel code: sparc32, leon/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus_parented() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. pci_scan_root_bus() also includes the pci_bus_add_devices() so we don't need to do that separately. Signed-off-b...
```diff diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c index f1cf6ef011a7..c7bec25fdb1c 100644 --- a/arch/sparc/kernel/leon_pci.c +++ b/arch/sparc/kernel/leon_pci.c @@ -19,22 +19,22 @@ */ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info) { + LIST_HEAD(resources)...
1a300107b5a49e3b7da080ae4827a9ee17c49a25
Analyze and fix the following issue in the Linux kernel code: sparc/PCI: convert to pci_create_root_bus()
Problem Details: Convert from pci_create_bus() to pci_create_root_bus(). This way the root bus resources are correct immediately. This patch doesn't fix a problem because sparc fixed the resources before scanning the bus, but it makes sparc more consistent with other architectures. v2: fix build error (from sfr) Si...
```diff diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 130f07ac4d61..bb8bc2e519ac 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -685,23 +685,25 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus) struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pb...
6f17dd1ba96bb857fc1e8ab0357a6a0a09935baf
Analyze and fix the following issue in the Linux kernel code: sh/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. CC: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarn...
```diff diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 05de3b2d82c5..5872c798d62d 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -36,9 +36,15 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose) { static int next_busno; static int need_domain_info;...
45a709f890a7b84930942a5f5f82011312fe727c
Analyze and fix the following issue in the Linux kernel code: powerpc/PCI: convert to pci_create_root_bus()
Problem Details: Convert from pci_create_bus() to pci_create_root_bus(). This way the root bus resources are correct immediately. This patch doesn't fix a problem because powerpc fixed the resources before scanning the bus, but it makes powerpc more consistent with other architectures. v2: fix build error with resou...
```diff diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 88953c8c7dde..0dbc5fb53c68 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1560,14 +1560,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(de...
49a6cba4eb165dba65221eea4d555ec8a7c85800
Analyze and fix the following issue in the Linux kernel code: powerpc/PCI: split PHB part out of pcibios_map_io_space()
Problem Details: No functional change. This is so we can use pcibios_phb_map_io_space() before we have a struct pci_bus. v2: fix map io phb typo CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index bcf4bf9e72d9..3318d39b7d4c 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -131,30 +131,13 @@ EXPORT_SYMBOL_GPL(pcibios_unmap_io_space); #endif /* CONFIG_HOTPLUG */ -int __devinit pcibios_map_io_s...
dc7dce280a26d069ad5a58bf3da86e5e83415c65
Analyze and fix the following issue in the Linux kernel code: parisc/PCI: lba: convert to pci_create_root_bus() for correct root bus resources
Problem Details: Supply root bus resources to pci_create_root_bus() so they're correct immediately. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. CC: linux-parisc@vger.kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuo...
```diff diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index e5dfa25e2fdd..d5f3d753a108 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -653,7 +653,7 @@ lba_fixup_bus(struct pci_bus *bus) } } else { /* Host-PCI Bridge */ - int err, i; + int err; DBG("lba_fixup_bu...
7590e500ad83d9ac1e55eed4720e053eff14b8e5
Analyze and fix the following issue in the Linux kernel code: parisc/PCI: dino: convert to pci_create_root_bus() for correct root bus resources
Problem Details: Supply root bus resources to pci_create_root_bus() so they're correct immediately. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. CC: linux-parisc@vger.kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuo...
```diff diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 90252c016a08..7ff10c1e8664 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -562,19 +562,6 @@ dino_fixup_bus(struct pci_bus *bus) /* Firmware doesn't set up card-mode dino, so we have to */ if (is_card_dino(&dino_dev->hba.dev-...
9a4580011da2a2a1a5a152e13dce2a32997d3ee9
Analyze and fix the following issue in the Linux kernel code: mn10300/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. CC: David Howells <dhowells@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jb...
```diff diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c index a4954fe82094..a7c5f08ca9f5 100644 --- a/arch/mn10300/unit-asb2305/pci.c +++ b/arch/mn10300/unit-asb2305/pci.c @@ -380,11 +380,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) { struct pci_dev *dev; - if (bus->num...
7c090e5bfaa65b031083605a0a4a780443fa6a08
Analyze and fix the following issue in the Linux kernel code: mips/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. Based on original patch by Deng-Cheng Zhu. Reference: https://lkml.org/lkml/2011/8/26/89 CC: Ralf Baechle <ralf@linux-mip...
```diff diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 0586535872cf..fa8e378413b1 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -81,6 +81,7 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose) { static int next_busno; static int need_domain_info; + LIST_HEAD(resources...
58de74b805312c7f5757cb654e9829bd9c1f3c69
Analyze and fix the following issue in the Linux kernel code: microblaze/PCI: convert to pci_create_root_bus() for correct root bus resources
Problem Details: Convert from pci_create_bus() to pci_create_root_bus(). This way the root bus resources are correct immediately. This patch doesn't fix a problem because microblaze fixed the resources before scanning the bus, but it makes microblaze more consistent with other architectures. It also allows us to use...
```diff diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 8989773ff300..e0fdab323ec5 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -1513,14 +1513,18 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(de...
8d88a432f497635d4330b234eb6bceeb4f0a0bc4
Analyze and fix the following issue in the Linux kernel code: microblaze/PCI: fix pci_bus_for_each_resource() usage
Problem Details: The pci_bus_for_each_resource() iterator sets "res" itself, so there's no need to look it up in the bus->resource[] table. Logically part of 89a74ecccd and 8a66da71fa. CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousg...
```diff diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 52b643dd31b9..a720f664073a 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -1024,7 +1024,6 @@ static void __devinit pcibios_fixup_bridge(struct pci_bus *bus) struct pci_dev *dev = bus...
e30f99222fd7b701ba7bc564722bb284ab2b2317
Analyze and fix the following issue in the Linux kernel code: ia64/PCI: convert to pci_create_root_bus() for correct root bus resources
Problem Details: Convert from pci_create_bus() to pci_create_root_bus(). This way the root bus resources are correct immediately. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. We can't use pci_scan_root_bus() because, like x86, ACPI hotplug currently requires pci_bus_add_...
```diff diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 3f9c86ad00fa..f82f5d4b65fd 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -134,6 +134,7 @@ alloc_pci_controller (int seg) struct pci_root_info { struct acpi_device *bridge; struct pci_controller *controller; + struct list_head reso...
e2a7965ee07360c448ffa4eb3d5ccee01c42251e
Analyze and fix the following issue in the Linux kernel code: frv/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. Note that peer root buses are scanned with pci_scan_bus() (which is now deprecated), so they have the default ioport_resou...
```diff diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index f8dd37e49535..6b0b82ff4419 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -327,11 +327,6 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->n...
37d15909ff6bf6e97e1d4447efa7f1a19e7a508e
Analyze and fix the following issue in the Linux kernel code: arm/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. CC: Russell King <linux@arm.linux.org.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <...
```diff diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 9a6f5371d135..d1bcd7b13ebc 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -299,8 +299,8 @@ int __init it8152_pci_setup(int nr, struct pci_sys_data *sys) goto err1; } - sys->resource[0] = &it8152_io; - sys->res...
a2f33da11ab9efba25d41e959de6338a9078fb36
Analyze and fix the following issue in the Linux kernel code: alpha/PCI: convert to pci_scan_root_bus() for correct root bus resources
Problem Details: Convert from pci_scan_bus() to pci_scan_root_bus() and remove root bus resource fixups. This fixes the problem of "early" and "header" quirks seeing incorrect root bus resources. v2: fix up conversion CC: linux-alpha@vger.kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: J...
```diff diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index c9ab94ee1ca8..fcb4b914d4bb 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -281,27 +281,9 @@ pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus) void __devinit pcibios_fixup_bus(struct pci_bus *bus)...
1e39ae9f9035ee02e014b5fe29461674fe19624d
Analyze and fix the following issue in the Linux kernel code: PCI: convert pci_scan_bus_parented() to use pci_create_root_bus()
Problem Details: This converts pci_scan_bus_parented() to use pci_create_root_bus() instead of pci_create_bus(). The new bus still has the default (incorrect) resources, so this patch doesn't help fix that problem, but it does remove one more use of pci_create_bus(). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>...
```diff diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index d09644b52d1c..04c2dc709276 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1640,11 +1640,16 @@ struct pci_bus *pci_create_bus(struct device *parent, struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, int bus, st...
a2ebb827958a4ab3577443f89037f229683c644a
Analyze and fix the following issue in the Linux kernel code: PCI: add pci_scan_root_bus() that accepts resource list
Problem Details: "Early" and "header" quirks often use incorrect bus resources because they see the default resources assigned by pci_create_bus(), before the architecture fixes them up (typically in pcibios_fixup_bus()). Regions reserved by these quirks end up with the wrong parents. Here's the standard path for sca...
```diff diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 89ecded0581b..7fc7e14118cc 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1608,6 +1608,21 @@ err_out: return NULL; } +struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus, + struct pci_ops *ops, void *sysda...
166c6370754a0a92386e2ffb0eeb06e50ac8588d
Analyze and fix the following issue in the Linux kernel code: PCI: add pci_create_root_bus() that accepts resource list
Problem Details: pci_create_bus() assigns ioport_resource and iomem_resource as the default bus resources, i.e., the entire address space. Architectures fix these later, typically in pcibios_fixup_bus() or after pci_scan_bus_parented() returns, but code that runs in the interim sees incorrect resource information. Th...
```diff diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2f0b14451d9d..89ecded0581b 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1522,12 +1522,13 @@ unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus) return max; } -struct pci_bus * pci_create_bus(struct device *parent, - ...
fb51ccbf217c1c994607b6519c7d85250928553d
Analyze and fix the following issue in the Linux kernel code: PCI: Rework config space blocking services
Problem Details: pci_block_user_cfg_access was designed for the use case that a single context, the IPR driver, temporarily delays user space accesses to the config space via sysfs. This assumption became invalid by the time pci_dev_reset was added as locking instance. Today, if you run two loops in parallel that reset...
```diff diff --git a/drivers/pci/access.c b/drivers/pci/access.c index fdaa42aac7c6..0c4c71712dfc 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -127,20 +127,20 @@ EXPORT_SYMBOL(pci_write_vpd); * We have a bit per device to indicate it's blocked and a global wait queue * for callers to sleep on unt...
1830ea91c20b06608f7cdb2455ce05ba834b3214
Analyze and fix the following issue in the Linux kernel code: PCI: Fix PCI_EXP_TYPE_RC_EC value
Problem Details: Spec shows this as 1010b = 0xa Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 090d3a9f5b26..9e37250a2a22 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -392,7 +392,7 @@ #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ #de...
68e35c9b0b9dfad1ec5d1e2858b9c7e2076763e5
Analyze and fix the following issue in the Linux kernel code: PCI: fix a brace coding style issue in probe.c
Problem Details: Fixed a brace coding style issue. Signed-off-by: Zac Storer <zac.3.14159@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 04e74f485714..d5d0ab810f79 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1534,7 +1534,7 @@ struct pci_bus * pci_create_bus(struct device *parent, return NULL; dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev){ + if (!dev) { ...
863b7eb583704346d64a08b0e723635da692959e
Analyze and fix the following issue in the Linux kernel code: PCI: pciehp: Fix wrong workqueue cleanup
Problem Details: Fix improper workqueue cleanup. In the current pciehp, pcied_cleanup() calls destroy_workqueue() before calling pcie_port_service_unregister(). This causes kernel oops because flush_workqueue() is called in the pcie_port_service_unregister() code path after the workqueue was destroyed. So pcied_cleanu...
```diff diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 7ac8358df8fd..a13ad1308adb 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -366,9 +366,9 @@ static int __init pcied_init(void) static void __exit pcied_cleanup(void) { dbg("unlo...
cfa4d8cc56853ec945956d182ecb4c99102b110a
Analyze and fix the following issue in the Linux kernel code: PCI: Fix PRI and PASID consistency
Problem Details: These are extended capabilities, rename and move to proper group for consistency. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index b0dd08e6a9da..e11ebafaf774 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -175,7 +175,7 @@ int pci_enable_pri(struct pci_dev *pdev, u32 reqs) u32 max_requests; int pos; - pos = pci_find_ext_capability(pdev, PCI_PRI_CAP); + pos = pci_find_...
8b6a5af92c03b363df050da906480085b6cd6e00
Analyze and fix the following issue in the Linux kernel code: PCI: Add Thinkpad SL510 to pci=nocrs blacklist
Problem Details: Enabling CRS by default breaks suspend on the Thinkpad SL510. Details in https://bugzilla.redhat.com/show_bug.cgi?id=769657 Reported-by: Stefan Kirrmann <stefan.kirrmann@gmail.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 0d9329f203e9..e662ceebd798 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -73,6 +73,16 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = { DMI_MATCH(DMI_BIOS_VERSION, "A09"), }, }, + /* https://bugzilla.red...
e702781fa846dd726b73e673f91ffbd3b0e8d114
Analyze and fix the following issue in the Linux kernel code: PCI: Add Dell Studio 1557 to pci=nocrs blacklist
Problem Details: The Dell Studio 1557 also doesn't suspend correctly when CRS is enabled. Details at https://bugzilla.redhat.com/show_bug.cgi?id=769657 Reported-by: Gregory S. Hoerner <ghoerner@transcendingthought.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
```diff diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index f5ccf29cd6aa..0d9329f203e9 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -61,6 +61,18 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = { }, }, + /* Now for the blacklist.. */ + + /* https://bugzilla.redhat....
28c3c05d337f6fdf84faf69374e6325b80cbf9ad
Analyze and fix the following issue in the Linux kernel code: PCI: add set_nouse_crs for use by a pci=nocrs blacklist
Problem Details: Some machines don't boot unless passed pci=nocrs. (See https://bugzilla.redhat.com/show_bug.cgi?id=770308 for details of one report. Waiting on dmidecode output for others). Currently there is a DMI whitelist, even though the default is on. v2: drop the 1536 blacklist entry, superceded by the PNP/M...
```diff diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 404f21a3ff9e..f5ccf29cd6aa 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -24,6 +24,12 @@ static int __init set_use_crs(const struct dmi_system_id *id) return 0; } +static int __init set_nouse_crs(const struct dmi_system_id *id) +{...
ea04018e6bc5ddb2f0466c0e5b986bd4901b7e8e
Analyze and fix the following issue in the Linux kernel code: arm: fix up some samsung merge sysdev conversion problems
Problem Details: Following should be fixed in your driver-core/driver-core-next. From: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c index 4b948eca73ef..fda5385deff6 100644 --- a/arch/arm/mach-s3c2410/pm.c +++ b/arch/arm/mach-s3c2410/pm.c @@ -137,7 +137,7 @@ arch_initcall(s3c2410_pm_drvinit); static struct subsys_interface s3c2410a_pm_interface = { .name = "s3c2410a_p...
27b93d8a45bd549146ae39b60ba168f62413c959
Analyze and fix the following issue in the Linux kernel code: [media] cx88: Fix radio support for Leadtek DTV2000H J
Problem Details: Leadtek DTV2000H J has Philips a FMD1216MEX tuner, and not a FMD1216ME. Signed-off-by: Miroslav Slugen <thunder.mmm@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 0d719faafd8a..8b66b642a76b 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1306,7 +1306,7 @@ static const struct cx88_board cx88_boards[] = { }, [CX88_BOARD_WIN...
98ab8550aea4728076fba64b2b323bc8a904eb63
Analyze and fix the following issue in the Linux kernel code: [media] xc3028: fix center frequency calculation for DTV78 firmware
Problem Details: This patch replaces the previous one proposed in the thread "xc3028: force reload of DTV7 firmware in VHF band with Zarlink demodulator", at the linux-media@vger.kernel.org ML. The problem is that the firmware DTV78 works fine in UHF band (8 MHz bandwidth) but is not working at all in VHF band (7 MHz ...
```diff diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index bdcbfd740f02..27555995f7e4 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -962,14 +962,24 @@ static int generic_set_freq(struct dvb_frontend *fe...
0c437c4ae71c0a8110eb21c06b99853c7056b317
Analyze and fix the following issue in the Linux kernel code: regulator: set constraints.apply_uV to 0 in of_get_fixed_voltage_config
Problem Details: Fix fixed regulator using DT failed to call regulator_register. of_get_regulator_init_data set apply_uV to 1, but fixed regulator doesn't need it. Set it back to 0. Signed-off-by: Richard Zhao <richard.zhao@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 393f03982180..e24e3a174c4b 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -69,6 +69,7 @@ of_get_fixed_voltage_config(struct device *dev) return NULL; init_data = config->init_data; + init_data->constraints...
65364e9ab958f4ad21c5c7b6cc8e2e458128dbcb
Analyze and fix the following issue in the Linux kernel code: regulator: max8925: fix enabled/disabled judgement mistake
Problem Details: Max8925 ldo status should be determined by two factors: 1. power up/down sequence selection(LDOCTL[4:2]). 2. i2c enable bit(LDOCTL[0]). Max8925 ldo support two types of power up/down sequence: 1. flexible sequence(LDOCTL[4:2] = 0~6). 2. i2c sequence(LDOCTL[4:2] = 7). With flexible sequence selected, ...
```diff diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c index f976e5d0867e..cc290d37c463 100644 --- a/drivers/regulator/max8925-regulator.c +++ b/drivers/regulator/max8925-regulator.c @@ -24,9 +24,13 @@ #define SD1_DVM_SHIFT 5 /* SDCTL1 bit5 */ #define SD1_DVM_EN 6 /* SD...
cc5a91e972212aea022ff86b2c11d3e84d552bf5
Analyze and fix the following issue in the Linux kernel code: perf tools: Add const.h to MANIFEST to make perf-tar-src-pkg work again
Problem Details: Fixes: |make: *** No rule to make target `../../include/linux/const.h', needed by `builtin-annotate.o'. Stop. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1324128938-17553-1-git-send-email-sebastian@br...
```diff diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index c12659d8cb26..1078c5fadd5b 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -1,4 +1,5 @@ tools/perf +include/linux/const.h include/linux/perf_event.h include/linux/rbtree.h include/linux/list.h ```
df25f989a4390ca0dbc9cb24516d4b10c01ceda8
Analyze and fix the following issue in the Linux kernel code: perf top: Don't update total_period on process_sample
Problem Details: It will be recalculated at __hists__output_resort, to take into account filters possibly applied by the TUI, etc. Since we do the percent math only for those entries that will appear on the TUI instead of for _all_ the entries at decay time, updating it for each sample makes the entries seem to decay ...
```diff diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 4f81eeb99875..d89dec90103e 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -235,7 +235,6 @@ static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, if (he == NULL) return NULL; - evsel->h...
e2bf7c4c22939bd83814d8da40a352d246030b1b
Analyze and fix the following issue in the Linux kernel code: watchdog: omap_wdt.c: fix the WDIOC_GETBOOTSTATUS ioctl if not implemented.
Problem Details: WDIOC_GETBOOTSTATUS ioctl is imlemented for cpu_is_omap16xx and cpu_is_omap24xx cpus only. For other cpus it falls through to WDIOC_KEEPALIVE. This patch prevents the fall through. Cc: sricharan <r.sricharan@ti.com> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wim Van Sebroeck <w...
```diff diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 324f525ea8d2..4b33e3fd726b 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -232,6 +232,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, if (cpu_is_omap24xx()) return put_user(oma...
0abffb9442c5aeb9b6dcc90e8af766b594637c15
Analyze and fix the following issue in the Linux kernel code: [media] drivers: media: radio: Fix dependencies for RADIO_WL128X
Problem Details: Fix the following build warning: warning: (RADIO_WL128X) selects TI_ST which has unmet direct dependencies (MISC_DEVICES && NET && GPIOLIB) Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/radio/wl128x/Kconfig b/drivers/media/radio/wl128x/Kconfig index 749f67b192e7..86b28579f0c7 100644 --- a/drivers/media/radio/wl128x/Kconfig +++ b/drivers/media/radio/wl128x/Kconfig @@ -5,7 +5,7 @@ menu "Texas Instruments WL128x FM driver (ST based)" config RADIO_WL128X tristate "Tex...
2e6cbd2b0878a5b641fcd74493e19fb60009657a
Analyze and fix the following issue in the Linux kernel code: [media] drivers: media: tuners: Fix dependency for MEDIA_TUNER_TEA5761
Problem Details: Fix the following build warning: warning: (MEDIA_TUNER) selects MEDIA_TUNER_TEA5761 which has unmet direct dependencies (MEDIA_SUPPORT && VIDEO_MEDIA && I2C && EXPERIMENTAL) Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index ab8856d935bd..4a6d5cef3964 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -26,7 +26,7 @@ config MEDIA_TUNER select MEDIA_TUNER_XC4000 if !MEDIA_TUNER_CUSTOMISE select M...
6a2329ad1cb80b158a75bbf1901b86dc2deb88ee
Analyze and fix the following issue in the Linux kernel code: [media] af9013: Fix typo in get_frontend() function
Problem Details: This patch fixes an obvious typo in the get_frontend() function of the af9013 driver, recently rewritten by Antti Palosaari. Signed-off-by: Gianluca Gennari <gennarone@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c index d4227c63986c..d5a95444a16e 100644 --- a/drivers/media/dvb/frontends/af9013.c +++ b/drivers/media/dvb/frontends/af9013.c @@ -880,16 +880,16 @@ static int af9013_get_frontend(struct dvb_frontend *fe) switch ((buf[0]...
a8eb28480e9b637cc78b9aa5e08612ba97e1317a
Analyze and fix the following issue in the Linux kernel code: [CPUFREQ] powernow-k8: Fix indexing issue
Problem Details: The driver uses the pstate number from the status register as index in its table of ACPI pstates (powernow_table). This is wrong as this is not a 1-to-1 mapping. For example we can have _PSS information to just utilize Pstate 0 and Pstate 4, ie. powernow-k8: Core Performance Boosting: on. powerno...
```diff diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index e0329f9fa40e..ad683ec2c57e 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -54,6 +54,9 @@ static DEFINE_PER_CPU(struct powernow_k8_data *, powernow_data); static int cpu_family = CPU_OPTERON; ...
226dd0193f9b8524789a86505ba05b1a74d916c1
Analyze and fix the following issue in the Linux kernel code: [CPUFREQ] cpufreq:userspace: fix cpu_cur_freq updation
Problem Details: CPU frequency is guranteed to be changed on notifier callback with CPUFREQ_POSTCHANGE. Notifier callback with CPUFREQ_PRECHANGE does not gurantee a change in frequency; after it, if cpufreq driver is unable to change CPU to new frequency. This results in wrong information being fed to user (if setting ...
```diff diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index f231015904c0..bedac1aa9be3 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -47,9 +47,11 @@ userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val, if (!pe...
283342954abf7c860c2e5970d8b096d2ce77665e
Analyze and fix the following issue in the Linux kernel code: [media] dvb-bt8xx: Fix a printk statement
Problem Details: By accident, I added an extra comma at the printk format argument. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 8a31349dd7d5..d8a36dd84b6e 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -784,7 +784,7 @@ static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) ...
fa52520cff0b3dce483efa8fb4ae1a4b18a82109
Analyze and fix the following issue in the Linux kernel code: [media] [BUG] it913x ver 1.21 Fixed for issue with 9006 and warm boot
Problem Details: Some channels appear weak signal after warm boot. Because tuner id is not present in eprom 0x38 is assigned. 9006 devices are now always assigned 0x60. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c index 6bf2086b54d3..21b7478ca7dc 100644 --- a/drivers/media/dvb/dvb-usb/it913x.c +++ b/drivers/media/dvb/dvb-usb/it913x.c @@ -395,9 +395,10 @@ static int ite_firmware_select(struct usb_device *udev, USB_PID_ITETECH_IT9135_9...
d4d5a40710701abd4535d6a5ada601c885a08865
Analyze and fix the following issue in the Linux kernel code: [media] [BUG] it913x ver 1.20. PID filter problems
Problem Details: Fixes issues with PID filter Stalling of some channels when PID is on. PID filter not turning off fully. PID filter can now turn on and off each index. Removed PID_RST from it913x_pid_filter_ctrl. Replaced with PID_EN removed from it913x_pid_filter Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com...
```diff diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c index 635429522e97..6bf2086b54d3 100644 --- a/drivers/media/dvb/dvb-usb/it913x.c +++ b/drivers/media/dvb/dvb-usb/it913x.c @@ -259,15 +259,15 @@ static u32 it913x_query(struct usb_device *udev, u8 pro) static int it913x_pid_f...
f664684a56deb7675363e2fa3f1e2a5eedbb3222
Analyze and fix the following issue in the Linux kernel code: [media] s5p-fimc: Prevent lock up caused by incomplete H/W initialization
Problem Details: The following ioctl sequence causes fimc_dma_run() to start processing without complete scaler and DMA initialization which causes missing interrupt and blocking on DQBUF: S_FMT, STREAMON, QBUF, DQBUF, STREAMOFF, STREAMON, QBUF, DQBUF. Fix this regression caused by moving pm_runtime* calls to start/st...
```diff diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index 4aaaf1de3a17..f5cbb8a4c540 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -1784,9 +1784,8 @@ static int fimc_runtime_resume(struct device *dev) /* Res...
2dbbac330621e83d00e904d1139b62e7b360f946
Analyze and fix the following issue in the Linux kernel code: [media] dvb-bt8xx: handle errors from dvb_net_init
Problem Details: Clean up and error out if dvb_net_init fails (for example when running out of memory). From an audit of dvb_net_init callers, now that dvb_net_init has learned to return a nonzero value from time to time. [mchehab.redhat.com: codingstyle fix: printk() should include KERN_ facility level] Signed-off-b...
```diff diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 1952f6bfc90e..8a31349dd7d5 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -782,7 +782,12 @@ static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) ...
361aba569f55dd159b850489a3538253afbb3973
Analyze and fix the following issue in the Linux kernel code: ore: fix BUG_ON, too few sgs when reading
Problem Details: When reading RAID5 files, in rare cases, we calculated too few sg segments. There should be two extra for the beginning and end partial units. Also "too few sg segments" should not be a BUG_ON there is all the mechanics in place to handle it, as a short read. So just return -ENOMEM and the rest of the...
```diff diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 894f3e192e6b..49cf230554a2 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -266,7 +266,7 @@ int ore_get_rw_state(struct ore_layout *layout, struct ore_components *oc, /* first/last seg is split */ num_raid_units += layout->group_width; - sgs_pe...
ffefb8eaa367e8a5c14f779233d9da1fbc23d164
Analyze and fix the following issue in the Linux kernel code: ore: Fix crash in case of an IO error.
Problem Details: The users of ore_check_io() expect the reported device (In case of error) to be indexed relative to the passed-in ore_components table, and not the logical dev index. This causes a crash inside objlayoutdriver in case of an IO error. [Bug in 3.2.0 Kernel] CC: Stable Tree <stable@kernel.org> Signed-of...
```diff diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index d271ad837202..894f3e192e6b 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -445,10 +445,10 @@ int ore_check_io(struct ore_io_state *ios, ore_on_dev_error on_dev_error) u64 residual = ios->reading ? or->in.residual : or->out.residual; u64 offse...
831c2dc5f47c1dc79c32229d75065ada1dcc66e1
Analyze and fix the following issue in the Linux kernel code: ore: FIX breakage when MISC_FILESYSTEMS is not set
Problem Details: As Reported by Randy Dunlap When MISC_FILESYSTEMS is not enabled and NFS4.1 is: fs/built-in.o: In function `objio_alloc_io_state': objio_osd.c:(.text+0xcb525): undefined reference to `ore_get_rw_state' fs/built-in.o: In function `_write_done': objio_osd.c:(.text+0xcb58d): undefined reference to `ore_...
```diff diff --git a/fs/Kconfig b/fs/Kconfig index 5f4c45d4aa10..6ad58a59cf5b 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -218,6 +218,8 @@ source "fs/exofs/Kconfig" endif # MISC_FILESYSTEMS +source "fs/exofs/Kconfig.ore" + menuconfig NETWORK_FILESYSTEMS bool "Network File Systems" default y diff --git a/fs/ex...
01732ebaac701638aab5d7b63ea2ee14452afd33
Analyze and fix the following issue in the Linux kernel code: [media] flexcop: handle errors from dvb_net_init
Problem Details: Bail out if dvb_net_init encounters an error (for example an out-of-memory condition), now that it reports them. [mchehab@redhat.com: CodingStyle fix: don't use "if ((ret = foo()) < 0)"] Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c index 2df1b0214dcd..4d3caca466fd 100644 --- a/drivers/media/dvb/b2c2/flexcop.c +++ b/drivers/media/dvb/b2c2/flexcop.c @@ -117,11 +117,17 @@ static int flexcop_dvb_init(struct flexcop_device *fc) goto err_connect_frontend; } ...
5c0b4129c07b902b27d3f3ebc087757f534a3abd
Analyze and fix the following issue in the Linux kernel code: pnfs-obj: pNFS errors are communicated on iodata->pnfs_error
Problem Details: Some time along the way pNFS IO errors were switched to communicate with a special iodata->pnfs_error member instead of the regular RPC members. But objlayout was not switched over. Fix that! Without this fix any IO error is hanged, because IO is not switched to MDS and pages are never cleared or read...
```diff diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c index 72074e3a04f9..b3c29039f5b8 100644 --- a/fs/nfs/objlayout/objlayout.c +++ b/fs/nfs/objlayout/objlayout.c @@ -254,6 +254,8 @@ objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync) oir->status = rdata->task.tk_s...
d2f7a1a2467c01b569d2a7fbf10e8894a3f0e496
Analyze and fix the following issue in the Linux kernel code: [media] vpif_capture.c: v4l2_device_register() is called too late in vpif_probe()
Problem Details: The function v4l2_device_register() is called too late in vpif_probe(). This meant that vpif_obj.v4l2_dev is accessed before it is initialized which caused a crash. This used to work in the past, but video_register_device() is now actually using the v4l2_dev pointer. Note that vpif_display.c doesn't ...
```diff diff --git a/drivers/media/video/davinci/vpif_capture.c b/drivers/media/video/davinci/vpif_capture.c index 49e4deb50043..6504e40a31dd 100644 --- a/drivers/media/video/davinci/vpif_capture.c +++ b/drivers/media/video/davinci/vpif_capture.c @@ -2177,6 +2177,12 @@ static __init int vpif_probe(struct platform_devic...
bb0a896e3d50833a43f94264ec8e66900b796b8b
Analyze and fix the following issue in the Linux kernel code: [media] marvell-cam: Make suspend/resume work on MMP2
Problem Details: Somehow I didn't ever quite get around to implementing suspend/resume on the MMP2 platform; this patch fixes that little oversight. A bit of core work was necessary to do the right thing in the s/g DMA case. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab...
```diff diff --git a/drivers/media/video/marvell-ccic/mcam-core.c b/drivers/media/video/marvell-ccic/mcam-core.c index 80ec64d2d6d8..c1f12f96aca6 100644 --- a/drivers/media/video/marvell-ccic/mcam-core.c +++ b/drivers/media/video/marvell-ccic/mcam-core.c @@ -522,6 +522,15 @@ static void mcam_sg_next_buffer(struct mcam_...
8ab3362665a699bd54fc489ff7fb6372678b94c1
Analyze and fix the following issue in the Linux kernel code: [media] em28xx: Reworked probe code to get rid of some hacks
Problem Details: Reworked device probing to get rid of hacks to guess the maximum size of dvb iso transfer packets. The new code also selects the first alternate config which supports the largest possible iso transfers for dvb. [mchehab@redhat.com: Fix a few checkpatch.pl CodingStyle compliants] Signed-off-by: Holger ...
```diff diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index cff0768afbf5..e2a7b77c39c7 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -193,7 +193,7 @@ static int em28xx_init_audio_isoc(struct em28xx *dev) ...
ccd1a499c1675fef5d2a138617507add63cb81db
Analyze and fix the following issue in the Linux kernel code: [media] media i.MX27 camera: Fix field_count handling
Problem Details: To properly detect frame loss the driver must keep track of a frame_count. Furthermore, field_count use was erroneous because in progressive format this must be incremented twice. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.d...
```diff diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index e635ab3c71e7..04aab0c538aa 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -258,6 +258,7 @@ struct mx2_camera_dev { dma_addr_t discard_buffer_dma; size_t discard_size; struct m...
d8ec0961ce5a9ddbece875c2b6fc028cb750df3a
Analyze and fix the following issue in the Linux kernel code: [media] atmel-isi: add code to enable/disable ISI_MCK clock
Problem Details: This patch - add ISI_MCK clock enable/disable code. - change field name in isi_platform_data structure Signed-off-by: Josh Wu <josh.wu@atmel.com> [g.liakhovetski@gmx.de: fix label names] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Sign...
```diff diff --git a/drivers/media/video/atmel-isi.c b/drivers/media/video/atmel-isi.c index b25bd7bb01db..9fe4519176a4 100644 --- a/drivers/media/video/atmel-isi.c +++ b/drivers/media/video/atmel-isi.c @@ -90,7 +90,10 @@ struct atmel_isi { struct isi_dma_desc dma_desc[MAX_BUFFER_NUM]; struct completion complet...
c20d78cde37018caa0313469c9320424995cc489
Analyze and fix the following issue in the Linux kernel code: [media] pwc: Rework locking
Problem Details: While testing gtk-v4l's new ctrl event code, I hit the following deadlock in the pwc driver: Thread 1: -Does a VIDIOC_G_CTRL -video2_ioctl takes the modlock -video2_ioctl calls v4l2_g_ctrl -v4l2_g_ctrl takes the ctrl_handler lock -v4l2_g_ctrl calls pwc_g_volatile_ctrl -pwc_g_volatile_ctrl releases the...
```diff diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index def9120b607d..5eddfab920ea 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -649,10 +649,20 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) st...
0218d53a12a1b90d261b6f9cf0a4cee38d230916
Analyze and fix the following issue in the Linux kernel code: [media] gscpa_ov519: Fix the bandwidth calc for enabling compression
Problem Details: Somehow the code has ended up assuming 1400 packets/sec which of course is wrong for usb1 devices like the ov511 cameras. usb1 only does 1000 (isoc) packets / sec. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c index 3d68ad5015d5..1075668db296 100644 --- a/drivers/media/video/gspca/ov519.c +++ b/drivers/media/video/gspca/ov519.c @@ -3683,8 +3683,8 @@ static void ov511_mode_init_regs(struct sd *sd) /* Check if we have enough bandwidth ...
3870ed3aed268cf42bebaa0cfe08080dfb13b1a3
Analyze and fix the following issue in the Linux kernel code: [media] gspca_sonixb: Fix exposure control min/max value for coarse expo sensors
Problem Details: This got broken by some gscpa core fixes, this patch restores the proper min/max values for these controls. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 146b459b08d5..31f7aba3a883 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -1079,20 +1079,23 @@ static int sd_config(struct gspca_dev *gspca_dev, } cam->npkt = 36; /* 36 p...
fe3449a4aa4e62404cc1c57c945fd56152b2f877
Analyze and fix the following issue in the Linux kernel code: [media] gspca: Add jl2005bcd sub driver
Problem Details: Written by Theodore Kilgore With minor changes by Hans de Goede: -Code style fixes -Correct the verbose level on various PDEBUG messages -Make error messages use pr_err instead of PDEBUG -Document the jl20 pixel format Signed-off-by: Theodore Kilgore <kilgota@auburn.edu> Signed-off-by: Hans de Goede ...
```diff diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml index a33a4b22173b..9ddc57cb2ef9 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -890,6 +890,11 @@ kernel sources in the file <filename>Documentation/v...
d80dd5d036147e00a27e3c649aec64bf9e572e9b
Analyze and fix the following issue in the Linux kernel code: [media] gscpa - sn9c20x: Add sd_isoc_init ensuring enough bw when i420 fmt
Problem Details: When using the SN9C20X_I420 fmt the sn9c20x needs more bandwidth than our regular bandwidth calculations reserve. This patch adds a sd_isoc_init function, which forces the use of a specific altsetting when using the SN9C20X_I420 fmt. This fixes the bottom 10-30% of the image getting corrupted when us...
```diff diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 7350718c613a..b5fca9166745 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -2234,6 +2234,42 @@ static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode) }...
66957b864646e2ea0aebc66d1173f39a63509a19
Analyze and fix the following issue in the Linux kernel code: [media] gspca - main: rename build_ep_tb to build_isoc_ep_tb
Problem Details: After the "gspca: Fix bulk mode cameras no longer working (regression fix)" patch build_ep_tb is no longer being called for bulk endpoints. This patch renames build_ep_tb to build_isoc_ep_tb to make clear it should only be called for isoc mode cameras. This patch also: - drops the no longer needed xf...
```diff diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index cdd43ff4aa02..5b8f4fc5d1c6 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -675,9 +675,8 @@ struct ep_tb_s { * build the table of the endpoints * and compute the minimum bandwid...
cc1f71942944890c7e05fc55dc4427c94b63d4f1
Analyze and fix the following issue in the Linux kernel code: drm: introduce drm_can_sleep and use in intel/radeon drivers. (v2)
Problem Details: So we have a few places where the drm drivers would like to sleep to be nice to the system, mainly in the modesetting paths, but we also have two cases were atomic modesetting must take place, panic writing and kernel debugger. So provide a central inline to determine if a sleep or delay should be used...
```diff diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5ac8a164a1ee..1348705faf6b 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -40,7 +40,7 @@ ret__ = -ETIMEDOUT; \ break; \ } \ - if (W && !(in_atomic() || in_dbg...
3df96909b75835d487a9178761622b0cbd7310d4
Analyze and fix the following issue in the Linux kernel code: radeon: Fix disabling PCI bus mastering on big endian hosts.
Problem Details: It would previously write basically random bits to PCI configuration space... Not very surprising that the GPU tended to stop responding completely. The resulting MCE even froze the whole machine sometimes. Now resetting the GPU after a lockup has at least a fighting chance of succeeding. Cc: stable@...
```diff diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 947ba22c4d86..3ec81c3d5108 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2186,6 +2186,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) void r100_bm_disable(str...
dea7e0ac45fd28f90bbc38ff226d36a9f788efbf
Analyze and fix the following issue in the Linux kernel code: ttm: fix agp since ttm tt rework
Problem Details: ttm tt rework modified the way we allocate and populate the ttm_tt structure, the AGP side was missing some bit to properly work. Fix those and fix radeon and nouveau AGP support. Tested on radeon only so far. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Konrad Rzeszutek Wilk <konra...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 8cf4a48f872e..724b41a2b9e9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1066,6 +1066,12 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm) dev_priv = nouveau_bdev(ttm-...
e11d0b87cde80745afe4712a19cd37bca9924a5b
Analyze and fix the following issue in the Linux kernel code: agp: Fix multi-line warning message whitespace
Problem Details: Signed-off-by: Tormod Volden <debian.tormod@gmail.com> Reviewed-by: Corbin Simpson <MostAwesomeDude@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
```diff diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index b072648dc3f6..17e05d1076b3 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -514,12 +514,12 @@ static void agp_v2_parse_one(u32 *requested_mode, u32 *bridge_agpstat, u32 *vga_ switch (*bridge_agpstat & 7) { ...
2c05114d23c4fd2256eaf5645528c19fcefdb2c8
Analyze and fix the following issue in the Linux kernel code: drm/ttm/dma: Fix accounting error when calling ttm_mem_global_free_page and don't try to free freed pages.
Problem Details: The code to figure out how many pages to shrink the pool ends up capping the 'count' at _manager->options.max_size - which is OK. Except that the 'count' is also used when accounting for how many pages are recycled - which we end up with the invalid values. This fixes it by using a different value for ...
```diff diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 6c06d0b601f9..156ddcd304c3 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -949,7 +949,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct de...
3000bf393302a8c786e9ebfc778050cb0d6226c4
Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms: sync across multiple rings when doing bo moves v3
Problem Details: We need to synchronize across rings when doing a bo move to make sure we the buffer is idle if it's in use by a different ring than the ring doing the move. v2: fix fence setup for bo moves v3: add missing ring lock/unlock Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave A...
```diff diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 3483ed9b38e9..7cb63cd2e738 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1489,6 +1489,8 @@ struct radeon_device { unsigned debugfs_count; /* virtual memory */ struct radeon_vm_ma...
739be96ab83755e10fd0c2b6a34c8a73254527f7
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix build dependency for SND_ATMEL_SOC_SSC
Problem Details: Make SND_ATMEL_SOC_SSC select ATMEL_SSC to fix below build errors: LD .tmp_vmlinux1 sound/built-in.o: In function `atmel_ssc_remove': sound/soc/atmel/atmel_ssc_dai.c:713: undefined reference to `ssc_free' sound/built-in.o: In function `atmel_ssc_probe': sound/soc/atmel/atmel_ssc_dai.c:700: unde...
```diff diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig index d1fcc816ce97..a4d6742d61e3 100644 --- a/sound/soc/atmel/Kconfig +++ b/sound/soc/atmel/Kconfig @@ -9,6 +9,7 @@ config SND_ATMEL_SOC config SND_ATMEL_SOC_SSC tristate depends on SND_ATMEL_SOC + select ATMEL_SSC help Say Y or M if you ...
c11b46c32c8a9bf05fdb76d70d8dc74fcbfd02d1
Analyze and fix the following issue in the Linux kernel code: dma: shdma: fix runtime PM: clear channel buffers on reset
Problem Details: On platforms, supporting power domains, if the domain, containing a DMAC instance is powered down, the driver fails to resume correctly. On those platforms DMAC channels have an additional CHCLR register for clearing channel buffers. Using this register during runtime resume fixes the problem. Signed-...
```diff diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 592304fb41a6..54043cd831c8 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -56,6 +56,15 @@ static LIST_HEAD(sh_dmae_devices); static unsigned long sh_dmae_slave_used[BITS_TO_LONGS(SH_DMA_SLAVE_NUMBER)]; static void sh_dmae_chan_ld_cl...
f69f2e264f6388df6d3cae45dd67ddfd52aaa14b
Analyze and fix the following issue in the Linux kernel code: dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit
Problem Details: mx53_loco: fix deadlock report from sdma_tx_submit() during boot BugLink: http://bugs.launchpad.net/bugs/878701 Adjust to use spin_lock_irqsave()/spin_unlock_irqresotre(), so to make it safe when called from interrupt context. Signed-off-by: Haitao Zhang <haitao.zhang@linaro.org> Signed-off-by: Eric...
```diff diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index f59fd8fffa88..a8af379680c1 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -836,17 +836,18 @@ static struct sdma_channel *to_sdma_chan(struct dma_chan *chan) static dma_cookie_t sdma_tx_submit(struct dma_async_tx_descripto...
c934502db7fda4fac1bb3b5c74f35e9bde8e7547
Analyze and fix the following issue in the Linux kernel code: isp1704_charger: Fix missing check
Problem Details: A segfault happens if there's no board information. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Acked-by: Heikki Krogerus <krohei@gmail.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
```diff diff --git a/drivers/power/isp1704_charger.c b/drivers/power/isp1704_charger.c index 6a4ef387a183..b806667b59ae 100644 --- a/drivers/power/isp1704_charger.c +++ b/drivers/power/isp1704_charger.c @@ -79,7 +79,7 @@ static void isp1704_charger_set_power(struct isp1704_charger *isp, bool on) { struct isp1704_cha...
ef7906f3204280ccaf8cd7ace974b7c0a1393812
Analyze and fix the following issue in the Linux kernel code: jz4740-battery: Fix signedness bug
Problem Details: wait_for_completion_interruptible_timeout() may return negative value. In this case, checking if (t > 0) will return true if t is unsigned. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
```diff diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c index 6b77029e6bdb..8dbc7bfaab14 100644 --- a/drivers/power/jz4740-battery.c +++ b/drivers/power/jz4740-battery.c @@ -67,7 +67,7 @@ static irqreturn_t jz_battery_irq_handler(int irq, void *devid) static long jz_battery_read_voltage(...