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We use well known standard names for functions that have name, such as
I2C, SPI, SPDIF, etc..
Fix the function name of SPDIF, which was named OWA (One Wire Audio)
based on Allwinner datasheets.
Fixes: 4730f33f0d82 ("pinctrl: sunxi: add allwinner A83T PIO controller
support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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To set the mux mode of a pin two bits must be set. Up to now this is
implemented using the following idiom:
writel(mask, reg + CLR);
writel(value, reg + SET);
. This however results in the mux mode being 0 between the two writes.
On my machine there is an IC's reset pin connected to LCD_D20. The
bootloader configures this pin as GPIO output-high (i.e. not holding the
IC in reset). When Linux reconfigures the pin to GPIO the short time
LCD_D20 is muxed as LCD_D20 instead of GPIO_1_20 is enough to confuse
the connected IC.
The same problem is present for the pin's drive strength setting which is
reset to low drive strength before using the right value.
So instead of relying on the hardware to modify the register setting
using two writes implement the bit toggling using read-modify-write.
Fixes: 17723111e64f ("pinctrl: add pinctrl-mxs support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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It turns out there are quite many Chromebooks out there that have the
same keyboard issue than Acer Chromebook. All of them are based on
Intel_Strago reference and report their DMI_PRODUCT_FAMILY as
"Intel_Strago" (Samsung Chromebook 3 and Cyan Chromebooks are exceptions
for which we add separate entries).
Instead of adding each machine to the quirk table, we use
DMI_PRODUCT_FAMILY of "Intel_Strago" that hopefully covers most of the
machines out there currently.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=194945
Suggested: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Sometimes it is more convenient to be able to match a whole family of
products, like in case of bunch of Chromebooks based on Intel_Strago to
apply a driver quirk instead of quirking each machine one-by-one.
This adds support for DMI_PRODUCT_FAMILY identification string and also
exports it to the userspace through sysfs attribute just like the
existing ones.
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The Crystal Cove PMIC has 16 real GPIOs but the ACPI code for devices
with this PMIC may address up to 95 GPIOs, these extra GPIOs are
called virtual GPIOs and are used by the ACPI code as a method of
accessing various non GPIO bits of PMIC.
Commit dcdc3018d635 ("gpio: crystalcove: support virtual GPIO") added
dummy support for these to avoid a bunch of ACPI errors, but instead of
ignoring writes / reads to them by doing:
if (gpio >= CRYSTALCOVE_GPIO_NUM)
return 0;
It accidentally introduced the following wrong check:
if (gpio > CRYSTALCOVE_VGPIO_NUM)
return 0;
Which means that attempts by the ACPI code to access these gpios
causes some arbitrary gpio to get touched through for example
GPIO1P0CTLO + gpionr % 8.
Since we do support input/output (but not interrupts) on the 0x5e
virtual GPIO, this commit makes to_reg return -ENOTSUPP for unsupported
virtual GPIOs so as to not have to check for (gpio >= CRYSTALCOVE_GPIO_NUM
&& gpio != 0x5e) everywhere and to make it easier to add support for more
virtual GPIOs in the future.
It then adds a check for to_reg returning an error to all callers where
this may happen fixing the ACPI code accessing virtual GPIOs accidentally
causing changes to real GPIOs.
Fixes: dcdc3018d635 ("gpio: crystalcove: support virtual GPIO")
Cc: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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I failed to properly onion-wrap the unwind code: We acquire the vblank
reference before we start with the wait-wound locking dance, hence we
must make sure we retry before we drop the reference. Oops.
v2: The vblank_put must be after the frambuffer_put (Michel). I suck at
unwrapping code that doesn't use separate labels for each stage, but
checks each pointer first ... While re-reading everything I also
realized that we must clean up the fb refcounts, and specifically
plane->old_fb before we drop the locks, either in the final unlocking,
or in the w/w retry path. Hence the correct fix is to drop the
vblank_put to the very bottom.
Fixes: 29dc0d1de182 ("drm: Roll out acquire context for the page_flip ioctl")
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: Tommi Rantala <tt.rantala@gmail.com>
Cc: Michel Dänzer <michel@daenzer.net>
Tested-by: Tommi Rantala <tt.rantala@gmail.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170522135945.28831-1-daniel.vetter@ffwll.ch
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qxl_release_map will enter an atomic context, but since we still need to
alloc memory for BOs, we better delay that until we have everything we
need, in case we need to sleep inside the allocation. This avoids the
Sleep in atomic state below, which was reported by Mike.
[ 43.910362] BUG: sleeping function called from invalid context at mm/slab.h:432
[ 43.910955] in_atomic(): 1, irqs_disabled(): 0, pid: 2077, name: Xorg
[ 43.911472] Preemption disabled at:
[ 43.911478] [<ffffffffa02b1c45>] qxl_bo_kmap_atomic_page+0xa5/0x100 [qxl]
[ 43.912103] CPU: 0 PID: 2077 Comm: Xorg Tainted: G E 4.12.0-master #38
[ 43.912550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.8.1-0-g4adadbd-20161202_174313-build11a 04/01/2014
[ 43.913202] Call Trace:
[ 43.913371] dump_stack+0x65/0x89
[ 43.913581] ? qxl_bo_kmap_atomic_page+0xa5/0x100 [qxl]
[ 43.913876] ___might_sleep+0x11a/0x190
[ 43.914095] __might_sleep+0x4a/0x80
[ 43.914319] ? qxl_bo_create+0x50/0x190 [qxl]
[ 43.914565] kmem_cache_alloc_trace+0x46/0x180
[ 43.914836] qxl_bo_create+0x50/0x190 [qxl]
[ 43.915082] ? refcount_dec_and_test+0x11/0x20
[ 43.915332] ? ttm_mem_io_reserve+0x41/0xe0 [ttm]
[ 43.915595] qxl_alloc_bo_reserved+0x37/0xb0 [qxl]
[ 43.915884] qxl_cursor_atomic_update+0x8f/0x260 [qxl]
[ 43.916172] ? drm_atomic_helper_update_legacy_modeset_state+0x1d6/0x210 [drm_kms_helper]
[ 43.916623] drm_atomic_helper_commit_planes+0xec/0x230 [drm_kms_helper]
[ 43.916995] drm_atomic_helper_commit_tail+0x2b/0x60 [drm_kms_helper]
[ 43.917398] commit_tail+0x65/0x70 [drm_kms_helper]
[ 43.917693] drm_atomic_helper_commit+0xa9/0x100 [drm_kms_helper]
[ 43.918039] drm_atomic_commit+0x4b/0x50 [drm]
[ 43.918334] drm_atomic_helper_update_plane+0xf1/0x110 [drm_kms_helper]
[ 43.918902] __setplane_internal+0x19f/0x280 [drm]
[ 43.919240] drm_mode_cursor_universal+0x101/0x1c0 [drm]
[ 43.919541] drm_mode_cursor_common+0x15b/0x1d0 [drm]
[ 43.919858] drm_mode_cursor2_ioctl+0xe/0x10 [drm]
[ 43.920157] drm_ioctl+0x211/0x460 [drm]
[ 43.920383] ? drm_mode_cursor_ioctl+0x50/0x50 [drm]
[ 43.920664] ? handle_mm_fault+0x93/0x160
[ 43.920893] do_vfs_ioctl+0x96/0x6e0
[ 43.921117] ? __fget+0x73/0xa0
[ 43.921322] SyS_ioctl+0x41/0x70
[ 43.921545] entry_SYSCALL_64_fastpath+0x1a/0xa5
[ 43.922188] RIP: 0033:0x7f1145804bc7
[ 43.922526] RSP: 002b:00007ffcd3e50508 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
[ 43.923367] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007f1145804bc7
[ 43.923852] RDX: 00007ffcd3e50540 RSI: 00000000c02464bb RDI: 000000000000000b
[ 43.924299] RBP: 0000000000000040 R08: 0000000000000040 R09: 000000000000000c
[ 43.924694] R10: 00007ffcd3e50340 R11: 0000000000003246 R12: 0000000000000018
[ 43.925128] R13: 00000000022bc390 R14: 0000000000000040 R15: 00007ffcd3e5062c
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170519175819.15682-1-krisman@collabora.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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With enabling this workaround, can observe GPU hang issue on Gen9. As
currently host side doesn't have this workaround, disable it from GVT
side.
v2:
- Fix indent error.(Zhenyu)
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fix from Kees Cook:
"Marta noticed another misbehavior in EFI pstore, which this fixes.
Hopefully this is the last of the v4.12 fixes for pstore!"
* tag 'pstore-v4.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
efi-pstore: Fix write/erase id tracking
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert a 4.11 change that turned out to be problematic and add a
.gitignore file.
Specifics:
- Revert a 4.11 commit related to the ACPI-based handling of laptop
lids that made changes incompatible with existing user space stacks
and broke things there (Lv Zheng).
- Add .gitignore to the ACPI tools directory (Prarit Bhargava)"
* tag 'acpi-4.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / button: Remove lid_init_state=method mode"
tools/power/acpi: Add .gitignore file
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix RTC wakeup from suspend-to-idle broken recently, fix CPU
idleness detection condition in the schedutil cpufreq governor, fix a
cpufreq driver build failure, fix an error code path in the power
capping framework, clean up the hibernate core and update the
intel_pstate documentation.
Specifics:
- Fix RTC wakeup from suspend-to-idle broken by the recent rework of
ACPI wakeup handling (Rafael Wysocki).
- Update intel_pstate driver documentation to reflect the current
code and explain how it works in more detail (Rafael Wysocki).
- Fix an issue related to CPU idleness detection on systems with
shared cpufreq policies in the schedutil governor (Juri Lelli).
- Fix a possible build issue in the dbx500 cpufreq driver (Arnd
Bergmann).
- Fix a function in the power capping framework core to return an
error code instead of 0 when there's an error (Dan Carpenter).
- Clean up variable definition in the hibernation core (Pushkar
Jambhlekar)"
* tag 'pm-4.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: dbx500: add a Kconfig symbol
PM / hibernate: Declare variables as static
PowerCap: Fix an error code in powercap_register_zone()
RTC: rtc-cmos: Fix wakeup from suspend-to-idle
PM / wakeup: Fix up wakeup_source_report_event()
cpufreq: intel_pstate: Document the current behavior and user interface
cpufreq: schedutil: use now as reference when aggregating shared policy requests
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We need to initializes those variables to 0 for platforms that do not
provide ACPI parameters. Otherwise, we set sda_hold_time to random
values, breaking e.g. Galileo and IOT2000 boards.
Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Fixes: 9d6408433019 ("i2c: designware: don't infer timings described by ACPI from clock rate")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ci_role BUGs when the role is >= CI_ROLE_END.
This is the case while the role is changing.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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ci_role BUGs when the role is >= CI_ROLE_END.
Cc: stable@vger.kernel.org #v3.10+
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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When using the 'object' sysfs attribute, T100 is not displayed in
the output.
Signed-off-by: Maxime Roussin-Bélanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The datasheet and application note does not mention an allowed range for
the M09_REGISTER_THRESHOLD parameter. One of our customers needs to set
lower values than 20 and they seem to work just fine on EDT EP0xx0M09 with
T5x06 touch.
So, lacking a known lower limit, we increase the range for thresholds,
and set the lower limit to 0. The documentation is updated accordingly.
Signed-off-by: Schoefegger Stefan <stefan.schoefegger@ginzinger.com>
Signed-off-by: Manfred Schlaegl <manfred.schlaegl@ginzinger.com>
Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Prior to the pstore interface refactoring, the "id" generated during
a backend pstore_write() was only retained by the internal pstore
inode tracking list. Additionally the "part" was ignored, so EFI
would encode this in the id. This corrects the misunderstandings
and correctly sets "id" during pstore_write(), and uses "part"
directly during pstore_erase().
Reported-by: Marta Lofstedt <marta.lofstedt@intel.com>
Fixes: 76cc9580e3fb ("pstore: Replace arguments for write() API")
Fixes: a61072aae693 ("pstore: Replace arguments for erase() API")
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Marta Lofstedt <marta.lofstedt@intel.com>
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Commit d224e9381897 ("drivers/md/dm-ioctl.c: use kvmalloc rather than
opencoded variant") left out the __GFP_HIGH flag when converting from
__vmalloc to kvmalloc. This can cause the DM ioctl to fail in some low
memory situations where it wouldn't have failed earlier. Add __GFP_HIGH
back to avoid any potential regression.
Fixes: d224e9381897 ("drivers/md/dm-ioctl.c: use kvmalloc rather than opencoded variant")
Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Commit cc7b0d495589 ("PCI: designware: Update PCI config space remap
function") made PCI configuration requests non-posted, which means we now
get a synchronous abort when the CFG space read to probe for downstream
devices times out.
Synchronous aborts need to be handled differently from the async aborts we
were getting before, in particular the PC needs to be advanced when
resolving the abort. This is mostly a copy of what other PCI drivers do on
ARM to handle those aborts.
[bhelgaas: changelog, "Fixes"]
Fixes: cc7b0d495589 ("PCI: designware: Update PCI config space remap function")
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
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When a switch endpoint is configured without NTB, the mmio_ntb registers
will read all zeros. However, in corner case configurations where the
partition ID is not zero and NTB is not enabled, the code will have the
wrong partition ID and this causes the driver to use the wrong set of
drivers. To fix this we simply take the partition ID from the system info
region.
Reported-by: Dingbao Chen <dingbao.chen@microsemi.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Convert from "cdev_add() + device_add()" to cdev_device_add(), and from
"device_del() + cdev_del()" to cdev_device_del().
[bhelgaas: changelog]
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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If NO_DMA=y:
drivers/built-in.o: In function `__pci_epc_create':
(.text+0xef4e): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epc_add_epf':
(.text+0xf676): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epf_alloc_space':
(.text+0xfa32): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epf_free_space':
(.text+0xfac4): undefined reference to `bad_dma_ops'
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes in the 4.12 cycle.
Matt finally set up the lightning storm he needed to test the as3935.
* core
- Fix a null pointer deference in iio_trigger_write_current when changing
from a non existent trigger to another non existent trigger.
* a3935
- Recalibrate the RCO after resume.
- Fix interrupt mask so that we actually get some interrupts.
- Use iio_trigger_poll_chained as we aren't in interrupt context.
* am335x
- Fix wrong allocation size provided for private data to iio_device_alloc.
* bcm_iproc
- Swapped primary and secondary isr handlers.
* ltr501
- Fix swapped als/ps register fields when enabling interrupts
* max9611
- Wrong scale factor for the shunt_resistor attribute.
* sun4-gpadc
- Module autoloading fixes by adding the device table declarations.
- Fix parent device being used in devm functions.
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Pull networking fixes from David Miller:
"Mostly netfilter bug fixes in here, but we have some bits elsewhere as
well.
1) Don't do SNAT replies for non-NATed connections in IPVS, from
Julian Anastasov.
2) Don't delete conntrack helpers while they are still in use, from
Liping Zhang.
3) Fix zero padding in xtables's xt_data_to_user(), from Willem de
Bruijn.
4) Add proper RCU protection to nf_tables_dump_set() because we
cannot guarantee that we hold the NFNL_SUBSYS_NFTABLES lock. From
Liping Zhang.
5) Initialize rcv_mss in tcp_disconnect(), from Wei Wang.
6) smsc95xx devices can't handle IPV6 checksums fully, so don't
advertise support for offloading them. From Nisar Sayed.
7) Fix out-of-bounds access in __ip6_append_data(), from Eric
Dumazet.
8) Make atl2_probe() propagate the error code properly on failures,
from Alexey Khoroshilov.
9) arp_target[] in bond_check_params() is used uninitialized. This
got changes from a global static to a local variable, which is how
this mistake happened. Fix from Jarod Wilson.
10) Fix fallout from unnecessary NULL check removal in cls_matchall,
from Jiri Pirko. This is definitely brown paper bag territory..."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
net: sched: cls_matchall: fix null pointer dereference
vsock: use new wait API for vsock_stream_sendmsg()
bonding: fix randomly populated arp target array
net: Make IP alignment calulations clearer.
bonding: fix accounting of active ports in 3ad
net: atheros: atl2: don't return zero on failure path in atl2_probe()
ipv6: fix out of bound writes in __ip6_append_data()
bridge: start hello_timer when enabling KERNEL_STP in br_stp_start
smsc95xx: Support only IPv4 TCP/UDP csum offload
arp: always override existing neigh entries with gratuitous ARP
arp: postpone addr_type calculation to as late as possible
arp: decompose is_garp logic into a separate function
arp: fixed error in a comment
tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0
netfilter: xtables: fix build failure from COMPAT_XT_ALIGN outside CONFIG_COMPAT
ebtables: arpreply: Add the standard target sanity check
netfilter: nf_tables: revisit chain/object refcounting from elements
netfilter: nf_tables: missing sanitization in data from userspace
netfilter: nf_tables: can't assume lock is acquired when dumping set elems
netfilter: synproxy: fix conntrackd interaction
...
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The driver checks an incorrect flag of functionality of adapter.
When a driver requires i2c_smbus_read_byte_data and
i2c_smbus_write_byte_data, it should check I2C_FUNC_SMBUS_BYTE_DATA
instead I2C_FUNC_I2C.
This patch fixes the problem.
Signed-off-by: Tin Huynh <tnhuynh@apm.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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fix extra controller reference taken on reconnect by moving
reference to initial controller create
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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correct nvme status set on abort. Patch that changed status to being actual
nvme status crossed in the night with the patch that added abort values.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Per the review by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
Looked at existing warn vs info vs err dev_xxx levels for the messages
printed on reconnects and deletes:
- Resets due to error and resets transitioned to deletes are dev_warn
- Other reset/disconnect messages are dev_info
- Removed chatty io queue related messages
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Per the recommendation by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
An extra reference was pointed out. There's no issue with the
references, but rather a literal interpretation of what the comment
is saying.
Reword the comment to avoid confusion.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Sync with Sagi's recent addition of ctrl_loss_tmo in the core fabrics
layer.
Remove local connect limits and connect_attempts variable.
Use fabrics new nr_connects variable and use of nvmf_should_reconnect()
Refactor duplicate reconnect failure code.
Addresses review comment by Sagi on controller reset support:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Remove the local copy of reconnect_delay.
Use the value in the controller options directly.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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NVMe may add request into requeue list simply and not kick off the
requeue if hw queues are stopped. Then blk_mq_abort_requeue_list()
is called in both nvme_kill_queues() and nvme_ns_remove() for
dealing with this issue.
Unfortunately blk_mq_abort_requeue_list() is absolutely a
race maker, for example, one request may be requeued during
the aborting. So this patch just calls blk_mq_kick_requeue_list() in
nvme_kill_queues() to handle this issue like what nvme_start_queues()
does. Now all requests in requeue list when queues are stopped will be
handled by blk_mq_kick_requeue_list() when queues are restarted, either
in nvme_start_queues() or in nvme_kill_queues().
Cc: stable@vger.kernel.org
Reported-by: Zhang Yi <yizhan@redhat.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Inside nvme_kill_queues(), we have to start hw queues for
draining requests in sw queues, .dispatch list and requeue list,
so use blk_mq_start_hw_queues() instead of blk_mq_start_stopped_hw_queues()
which only run queues if queues are stopped, but the queues may have
been started already, for example nvme_start_queues() is called in reset work
function.
blk_mq_start_hw_queues() run hw queues in current context, instead
of running asynchronously like before. Given nvme_kill_queues() is
run from either remove context or reset worker context, both are fine
to run hw queue directly. And the mutex of namespaces_mutex isn't a
problem too becasue nvme_start_freeze() runs hw queue in this way
already.
Cc: stable@vger.kernel.org
Reported-by: Zhang Yi <yizhan@redhat.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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In the case of small NVMe-oF queue size (<32) we may enter a deadlock
caused by the fact that the IB completions aren't sent waiting for 32
and the send queue will fill up.
The error is seen as (using mlx5):
[ 2048.693355] mlx5_0:mlx5_ib_post_send:3765:(pid 7273):
[ 2048.693360] nvme nvme1: nvme_rdma_post_send failed with error code -12
This patch changes the way the signaling is done so that it depends on
the queue depth now. The magic define has been removed completely.
Cc: stable@vger.kernel.org
Signed-off-by: Marta Rybczynska <marta.rybczynska@kalray.eu>
Signed-off-by: Samuel Jones <sjones@kalray.eu>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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In commit dc9c4d0fe023, the arp_target array moved from a static global
to a local variable. By the nature of static globals, the array used to
be initialized to all 0. At present, it's full of random data, which
that gets interpreted as arp_target values, when none have actually been
specified. Systems end up booting with spew along these lines:
[ 32.161783] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[ 32.168475] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[ 32.175089] 8021q: adding VLAN 0 to HW filter on device lacp0
[ 32.193091] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[ 32.204892] lacp0: Setting MII monitoring interval to 100
[ 32.211071] lacp0: Removing ARP target 216.124.228.17
[ 32.216824] lacp0: Removing ARP target 218.160.255.255
[ 32.222646] lacp0: Removing ARP target 185.170.136.184
[ 32.228496] lacp0: invalid ARP target 255.255.255.255 specified for removal
[ 32.236294] lacp0: option arp_ip_target: invalid value (-255.255.255.255)
[ 32.243987] lacp0: Removing ARP target 56.125.228.17
[ 32.249625] lacp0: Removing ARP target 218.160.255.255
[ 32.255432] lacp0: Removing ARP target 15.157.233.184
[ 32.261165] lacp0: invalid ARP target 255.255.255.255 specified for removal
[ 32.268939] lacp0: option arp_ip_target: invalid value (-255.255.255.255)
[ 32.276632] lacp0: Removing ARP target 16.0.0.0
[ 32.281755] lacp0: Removing ARP target 218.160.255.255
[ 32.287567] lacp0: Removing ARP target 72.125.228.17
[ 32.293165] lacp0: Removing ARP target 218.160.255.255
[ 32.298970] lacp0: Removing ARP target 8.125.228.17
[ 32.304458] lacp0: Removing ARP target 218.160.255.255
None of these were actually specified as ARP targets, and the driver does
seem to clean up the mess okay, but it's rather noisy and confusing, leaks
values to userspace, and the 255.255.255.255 spew shows up even when debug
prints are disabled.
The fix: just zero out arp_target at init time.
While we're in here, init arp_all_targets_value in the right place.
Fixes: dc9c4d0fe023 ("bonding: reduce scope of some global variables")
CC: Mahesh Bandewar <maheshb@google.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
CC: stable@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* pm-sleep:
PM / hibernate: Declare variables as static
RTC: rtc-cmos: Fix wakeup from suspend-to-idle
PM / wakeup: Fix up wakeup_source_report_event()
* powercap:
PowerCap: Fix an error code in powercap_register_zone()
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* acpi-button:
Revert "ACPI / button: Remove lid_init_state=method mode"
* acpi-tools:
tools/power/acpi: Add .gitignore file
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* intel_pstate:
cpufreq: intel_pstate: Document the current behavior and user interface
* pm-cpufreq:
cpufreq: dbx500: add a Kconfig symbol
* pm-cpufreq-sched:
cpufreq: schedutil: use now as reference when aggregating shared policy requests
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Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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DM-Verity has an (undocumented) mode where no salt is used. This was
never handled directly by the DM-Verity code, instead working due to the
fact that calling crypto_shash_update() with a zero length data is an
implicit noop.
This is no longer the case now that we have switched to
crypto_ahash_update(). Fix the issue by introducing explicit handling
of the no salt use case to DM-Verity.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reported-by: Marian Csontos <mcsontos@redhat.com>
Fixes: d1ac3ff ("dm verity: switch to using asynchronous hash crypto API")
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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The stingray SDHCI hardware supports ACMD12 and automatically
issues after multi block transfer completed.
If ACMD12 in SDHCI is disabled, spurious tx done interrupts are seen
on multi block read command with below error message:
Got data interrupt 0x00000002 even though no data
operation was in progress.
This patch uses SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 to enable
ACM12 support in SDHCI hardware and suppress spurious interrupt.
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: b580c52d58d9 ("mmc: sdhci-iproc: add IPROC SDHCI driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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As of 7bb11dc9f59d and 0622cab0341c, bond slaves in a 3ad bond are not
removed from the aggregator when they are down, and the active slave count
is NOT equal to number of ports in the aggregator, but rather the number
of ports in the aggregator that are still enabled. The sysfs spew for
bonding_show_ad_num_ports() has a comment that says "Show number of active
802.3ad ports.", but it's currently showing total number of ports, both
active and inactive. Remedy it by using the same logic introduced in
0622cab0341c in __bond_3ad_get_active_agg_info(), so sysfs, procfs and
netlink all report the number of active ports. Note that this means that
IFLA_BOND_AD_INFO_NUM_PORTS really means NUM_ACTIVE_PORTS instead of
NUM_PORTS, and thus perhaps should be renamed for clarity.
Lightly tested on a dual i40e lacp bond, simulating link downs with an ip
link set dev <slave2> down, was able to produce the state where I could
see both in the same aggregator, but a number of ports count of 1.
MII Status: up
Active Aggregator Info:
Aggregator ID: 1
Number of ports: 2 <---
Slave Interface: ens10
MII Status: up <---
Aggregator ID: 1
Slave Interface: ens11
MII Status: up
Aggregator ID: 1
MII Status: up
Active Aggregator Info:
Aggregator ID: 1
Number of ports: 1 <---
Slave Interface: ens10
MII Status: down <---
Aggregator ID: 1
Slave Interface: ens11
MII Status: up
Aggregator ID: 1
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If dma mask checks fail in atl2_probe(), it breaks off initialization,
deallocates all resources, but returns zero.
The patch adds proper error code return value and
make error code setup unified.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the regulator probing is not yet finished this driver
might catch a -EPROBE_DEFER. Returning after this condition
did not remove the created platform device. On a repeated
call to the probe function the of_platform_device_create
fails.
Calling of_platform_device_destroy after EPROBE_DEFER resolves
this bug.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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of_platform_device_destroy is the counterpart to
of_platform_device_create which is a non-static function.
After creating a platform device it might be neccessary
to destroy it to deal with -EPROBE_DEFER where a
repeated of_platform_device_create call would fail otherwise.
Therefore also make of_platform_device_destroy globally visible.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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In case the DT specifies neither a regulator nor a gpio
for the shared power the driver will crash accessing the regulator.
Prevent the crash by checking the regulator before use.
Use mmc_regulator_get_supply() instead of open coding the same
logic.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Andre Przywara <andre.przywara@arm.com> noticed that we can get the
following warning with -EPROBE_DEFER:
"WARNING: CPU: 1 PID: 89 at drivers/base/dd.c:349
driver_probe_device+0x2ac/0x2e8"
Let's fix the issue by removing the indices as suggested by
Tejun Heo <tj@kernel.org>. All we have to do here is kill the radix
tree.
I probably ended up with the indices after grepping for removal
of all entries using radix_tree_for_each_slot() and the first
match found was gmap_radix_tree_free(). Anyways, no need for
indices here, and we can just do remove all the entries using
radix_tree_for_each_slot() along how the item_kill_tree() test
case does.
Fixes: c7059c5ac70a ("pinctrl: core: Add generic pinctrl functions for managing groups")
Fixes: a76edc89b100 ("pinctrl: core: Add generic pinctrl functions for managing groups")
Reported-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The keyboard dock used with the Asus Transformer T100 series, uses
the same vendor-defined 0xff31 usage-page as some other Asus
keyboards. But with a small twist, it has a small descriptor bug which
needs to be fixed up for things to work.
This commit adds the USB-ID for this keyboard to the hid-asus driver
and makes asus_report_fixup fix the descriptor issue, fixing
various special function keys on this keyboard not working.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This reverts commit 8c58f1a7a4b6d1d723bf25fef9d842d5a11200d0.
It turns out that applying these generic properties was
premature: the properties used in the driver using this
are of unclear electrical nature and the subject need to
be discussed.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Make sure dmi_system_id tables are NULL terminated.
Fixes: 703650278372 ("pinctrl: cherryview: Add a quirk to make Acer
Chromebook keyboard work again")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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