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There's a number of layer-independent ioctls that we can handle
in core, and reduce code duplication. For layer-specific ioctls,
add a do_ioctl() discipline hook.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The errata ERR007885 HW fix don't add to i.MX6ul ENET IP version,
so add sw workaroud for the chip.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct the errata number ERR006358 comment typo.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many boards use i2c/spi expander gpio as phy-reset-gpios and these
gpios maybe registered after fec port, driver should check the return
value of .of_get_named_gpio().
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In aarch64 system, it requires to trasfer ->dev to dma_alloc_coherent()
API, otherwise allocate failed and print kernel warning.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In aarch64 system, the BD pointer is 64bit, and the high-order 32-bits
of the address is effective, so replace usigned with (void *) type to
aovid 64bit address is casted to 32bit in .fec_enet_get_nextdesc() and
.fec_enet_get_prevdesc() functions.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add return value check after calling .of_property_read_u32() to avoid
the warning reported by coverity.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial conversion as only one vector is supported, but at least we
lose the useless msix_entry member in the per-device structure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unused now that all callers switched to pci_alloc_irq_vectors.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove deprecated pci_enable_msix API in favour of its
successor pci_alloc_irq_vectors.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the deprecated pci_enable_msix API in favour of its successor.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the deprecated pci_enable_msix API in favour of its successor,
and make sure to handle errors during IRQ setup properly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On SPARC, the udl driver filled my kernel log with these messages:
[186668.910612] Kernel unaligned access at TPC[76609c] udl_render_hline+0x13c/0x3a0
Use put_unaligned_be16 to avoid them. On x86 this results in the same
code, but on SPARC the compiler emits two single-byte stores.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: David Airlie <airlied@linux.ie>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170407200229.20642-1-j.neuschaefer@gmx.net
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Only call synchronize_rcu_expedited after unlocking struct_mutex to
avoid deadlock because the workqueues depend on struct_mutex.
>From original patch by Andrea:
synchronize_rcu/synchronize_sched/synchronize_rcu_expedited() will
hang until its own workqueues are run. The i915 gem workqueues will
wait on the struct_mutex to be released. So we cannot wait for a
quiescent state using those rcu primitives while holding the
struct_mutex or it creates a circular lock dependency resulting in
kernel hangs (which is reproducible but goes undetected by lockdep).
kswapd0 D 0 700 2 0x00000000
Call Trace:
? __schedule+0x1a5/0x660
? schedule+0x36/0x80
? _synchronize_rcu_expedited.constprop.65+0x2ef/0x300
? wake_up_bit+0x20/0x20
? rcu_stall_kick_kthreads.part.54+0xc0/0xc0
? rcu_exp_wait_wake+0x530/0x530
? i915_gem_shrink+0x34b/0x4b0
? i915_gem_shrinker_scan+0x7c/0x90
? i915_gem_shrinker_scan+0x7c/0x90
? shrink_slab.part.61.constprop.72+0x1c1/0x3a0
? shrink_zone+0x154/0x160
? kswapd+0x40a/0x720
? kthread+0xf4/0x130
? try_to_free_pages+0x450/0x450
? kthread_create_on_node+0x40/0x40
? ret_from_fork+0x23/0x30
plasmashell D 0 4657 4614 0x00000000
Call Trace:
? __schedule+0x1a5/0x660
? schedule+0x36/0x80
? schedule_preempt_disabled+0xe/0x10
? __mutex_lock.isra.4+0x1c9/0x790
? i915_gem_close_object+0x26/0xc0
? i915_gem_close_object+0x26/0xc0
? drm_gem_object_release_handle+0x48/0x90
? drm_gem_handle_delete+0x50/0x80
? drm_ioctl+0x1fa/0x420
? drm_gem_handle_create+0x40/0x40
? pipe_write+0x391/0x410
? __vfs_write+0xc6/0x120
? do_vfs_ioctl+0x8b/0x5d0
? SyS_ioctl+0x3b/0x70
? entry_SYSCALL_64_fastpath+0x13/0x94
kworker/0:0 D 0 29186 2 0x00000000
Workqueue: events __i915_gem_free_work
Call Trace:
? __schedule+0x1a5/0x660
? schedule+0x36/0x80
? schedule_preempt_disabled+0xe/0x10
? __mutex_lock.isra.4+0x1c9/0x790
? del_timer_sync+0x44/0x50
? update_curr+0x57/0x110
? __i915_gem_free_objects+0x31/0x300
? __i915_gem_free_objects+0x31/0x300
? __i915_gem_free_work+0x2d/0x40
? process_one_work+0x13a/0x3b0
? worker_thread+0x4a/0x460
? kthread+0xf4/0x130
? process_one_work+0x3b0/0x3b0
? kthread_create_on_node+0x40/0x40
? ret_from_fork+0x23/0x30
Fixes: 3d3d18f086cd ("drm/i915: Avoid rcu_barrier() from reclaim paths (shrinker)")
Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 8f612d055183545070ca1009ac2eb1f2e044cc20)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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i915 is currently doing a full GPU reset at the end of
i915_gem_suspend() followed by GuC suspend in i915_drm_suspend(). This
GPU reset clobbers the GuC, causing the suspend request to then fail,
leaving the GuC in an undefined state. We need to tell the GuC to
suspend before we do the direct intel_gpu_reset().
v2: Commit message update. (Chris, Daniele)
Fixes: 1c777c5d1dcd ("drm/i915/hsw: Fix GPU hang during resume from S3-devices state")
Cc: Jeff McGee <jeff.mcgee@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491387710-20553-1-git-send-email-sagar.a.kamble@intel.com
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit fd08923384385400101c71ac0d21d37d6b23b00d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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gvt-fixes-2017-04-07
- execlist csb initial read ptr fix (Min)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170407084240.4d2ig5ja2umcnsq3@zhen-hp.sh.intel.com
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This reverts commit 279967a65b320d174a507498aea7d44db3fee7f4.
Multiple regressions [1] [2] [3] have been reported. The hid-rmi
support would have to fixed and redone in 4.11+.
[1] http://lkml.kernel.org/r/b79b88c8-770a-13f6-5668-c3a94254e5e0@gmail.com
[2] http://lkml.kernel.org/r/375e67b5-2cb8-3491-1d71-d8650d6e9451@gmail.com
[3] https://bugzilla.kernel.org/show_bug.cgi?id=195287
Reported-by: Cameron Gutman <aicommander@gmail.com>
Reported-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Reported-by: Lorenzo J. Lucchini <ljlbox@tiscali.it>
Reported-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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After commit 47c950d10202 ("pinctrl: cherryview: Do not add all
southwest and north GPIOs to IRQ domain") the driver does not add all
GPIOs to the irqdomain. The reason for that is that those GPIOs cannot
generate IRQs at all, only GPEs (General Purpose Events). This causes
Linux virtual IRQ numbering to change.
However, it seems some CYAN Chromebooks, including Acer Chromebook
hardcodes these Linux IRQ numbers in the ACPI tables of the machine.
Since the numbering is different now, the IRQ meant for keyboard does
not match the Linux virtual IRQ number anymore making the keyboard
non-functional.
Work this around by adding special quirk just for these machines where
we add back all GPIOs to the irqdomain. Rest of the Cherryview/Braswell
based machines will not be affected by the change.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=194945
Fixes: 47c950d10202 ("pinctrl: cherryview: Do not add all southwest and north GPIOs to IRQ domain")
Reported-by: Adam S Levy <theadamlevy@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Cc: stable@vger.kernel.org
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 57e5568fda27 ("sata_via: Implement hotplug for VT6421") adds
hotplug IRQ handler for VT6421 but enables hotplug on all chips. This
is a bug because it causes "irq xx: nobody cared" error on VT6420 when
hot-(un)plugging a drive:
[ 381.839948] irq 20: nobody cared (try booting with the "irqpoll" option)
[ 381.840014] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-rc5+ #148
[ 381.840066] Hardware name: P4VM800/P4VM800, BIOS P1.60 05/29/2006
[ 381.840117] Call Trace:
[ 381.840167] <IRQ>
[ 381.840225] ? dump_stack+0x44/0x58
[ 381.840278] ? __report_bad_irq+0x14/0x97
[ 381.840327] ? handle_edge_irq+0xa5/0xa5
[ 381.840376] ? note_interrupt+0x155/0x1cf
[ 381.840426] ? handle_edge_irq+0xa5/0xa5
[ 381.840474] ? handle_irq_event_percpu+0x32/0x38
[ 381.840524] ? handle_irq_event+0x1f/0x38
[ 381.840573] ? handle_fasteoi_irq+0x69/0xb8
[ 381.840625] ? handle_irq+0x4f/0x5d
[ 381.840672] </IRQ>
[ 381.840726] ? do_IRQ+0x2e/0x8b
[ 381.840782] ? common_interrupt+0x2c/0x34
[ 381.840836] ? mwait_idle+0x60/0x82
[ 381.840892] ? arch_cpu_idle+0x6/0x7
[ 381.840949] ? do_idle+0x96/0x18e
[ 381.841002] ? cpu_startup_entry+0x16/0x1a
[ 381.841057] ? start_kernel+0x319/0x31c
[ 381.841111] ? startup_32_smp+0x166/0x168
[ 381.841165] handlers:
[ 381.841219] [<c12a7263>] ata_bmdma_interrupt
[ 381.841274] Disabling IRQ #20
Seems that VT6420 can do hotplug too (there's no documentation) but the
comments say that SCR register access (required for detecting hotplug
events) can cause problems on these chips.
For now, just keep hotplug disabled on anything other than VT6421.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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virtio-pci registers a per-vq affinity hint when using MSIX,
but fails to remove it when freeing the interrupt, resulting
in this type of splat:
[ 31.111202] WARNING: CPU: 0 PID: 2823 at kernel/irq/manage.c:1503 __free_irq+0x2c4/0x2c8
[ 31.114689] Modules linked in:
[ 31.116101] CPU: 0 PID: 2823 Comm: kexec Not tainted 4.10.0+ #6941
[ 31.118911] Hardware name: Generic DT based system
[ 31.121319] [<c022fb78>] (unwind_backtrace) from [<c0229d8c>] (show_stack+0x18/0x1c)
[ 31.125017] [<c0229d8c>] (show_stack) from [<c05192f4>] (dump_stack+0x84/0x98)
[ 31.128427] [<c05192f4>] (dump_stack) from [<c023d940>] (__warn+0xf4/0x10c)
[ 31.131910] [<c023d940>] (__warn) from [<c023da20>] (warn_slowpath_null+0x28/0x30)
[ 31.135543] [<c023da20>] (warn_slowpath_null) from [<c0290238>] (__free_irq+0x2c4/0x2c8)
[ 31.139355] [<c0290238>] (__free_irq) from [<c02902d0>] (free_irq+0x44/0x78)
[ 31.142909] [<c02902d0>] (free_irq) from [<c059d3a8>] (vp_del_vqs+0x68/0x1c0)
[ 31.146299] [<c059d3a8>] (vp_del_vqs) from [<c056ca4c>] (pci_device_shutdown+0x3c/0x78)
The obvious fix is to drop the affinity hint before freeing the
interrupt.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit 5c34d002dcc7a6dd665a19d098b4f4cd5501ba1a.
Conflicts:
drivers/virtio/virtio_pci_common.c
The cleanup seems to be one of the changes that broke
hybernation for some users. We are still not sure why
but revert helps.
This reverts the cleanup changes but keeps the affinity support.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507.
Conflicts:
drivers/virtio/virtio_pci_common.c
Unfortunately the idea does not work with threadirqs
as more than 32 queues can then map to a single interrupts.
Further, the cleanup seems to be one of the changes that broke
hybernation for some users. We are still not sure why
but revert helps.
This reverts the cleanup changes but keeps the affinity support.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit 53a020c661741f3b87ad3ac6fa545088aaebac9b.
The cleanup seems to be one of the changes that broke
hybernation for some users. We are still not sure why
but revert helps.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit 52a61516125fa9a21b3bdf4f90928308e2e5573f.
Conflicts:
drivers/virtio/virtio_pci_common.c
The cleanup seems to be one of the changes that broke
hybernation for some users. We are still not sure why
but revert helps.
This reverts the cleanup changes but keeps the affinity support.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit de85ec8b07f82c8c84de7687f769e74bf4c26a1e.
Follow-up patches will revert 07ec51480b5e ("virtio_pci: use shared
interrupts for virtqueues") that triggered the problem so no need for
this one anymore.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Directly access the fields when needed. The accessors add clutter
not clarity and in some cases cause unnecessary read-modify-write
type access on the slow (uncached) descriptor memory.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add NETIF_F_SG and create multiple TX ring entries for skb fragments.
On reclaim, the skb is only freed on the segment marked as "last".
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Those are non-cachable stores, let's avoid those we don't need. Remove
the helper, it's not particularly helpful and since it uses "priv"
I can't move it to the header file.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This moves the packet freeing to a separate function
which is also used by ftgmac100_free_buffers() and will
be used more in the error path of fragmented sends.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We'll use variants of this accessor without barriers when
building series of descriptors for fragmented sends
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have a private lock which isn't terribly useful, and we maintain
a "tx_pending" counter for information that's already available
via a trivial arithmetic operation. Then we unconditionaly wake
the queue even when not stopped. Finally our code in tx isn't
really safe vs. a concurrent reclaim. The aspeed chips aren't SMP
today but I prefer the code being right and future proof.
So rip that out and replace it with more "standard" queue handling,
currently with a threshold of 1 queue element, which will be
increased when we implement fragmented sends.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than in the descriptor. The descriptor is mapped non-cachable
and rather slow to access.
Since to do that we need to keep track of the tx "pointer" we also
have no use of all the accesors to manipulate it, just open code
it, it's as clear and will help when adding fragmented sends.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than just transmitting garbage past the end of the small
packet.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use a simple goto to a drop path at the tail of the function,
it will be used in a few more cases soon
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will make subsequent rework of the tx path simpler
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move it below ftgmac100_xmit() and the rest of the tx path
No code change.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have a reset task to reset our chip, use it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull crypto fixes from Herbert Xu:
"This fixes a number of bugs in the caam driver:
- device creation fails after release
- error-path NULL-pointer dereference
- spurious hardware error in RNG deinstantiation"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: caam - fix RNG deinstantiation error checking
crypto: caam - fix invalid dereference in caam_rsa_init_tfm()
crypto: caam - fix JR platform device subsequent (re)creations
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The commit 1259feddd0f8("pinctrl: samsung: Fix the width of
PINCFG_TYPE_DRV bitfields for Exynos5433") already fixed
the different width of PINCFG_TYPE_DRV from previous Exynos SoC.
However wrong merge conflict resolution was chosen in commit
7f36f5d11cda ("Merge tag 'v4.10-rc6' into devel") effectively dropping
the changes for PINCFG_TYPE_DRV. Re-do them here.
The macro EXYNOS_PIN_BANK_EINTW is no longer used so remove it.
Fixes: 7f36f5d11cda ("Merge tag 'v4.10-rc6' into devel")
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Fixes build errors seen with CONFIG_GPIOLIB disabled and warnings enabled:
drivers/net/dsa/mt7530.c: In function 'mt7530_setup':
drivers/net/dsa/mt7530.c:948:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration]
gpiod_set_value_cansleep(priv->reset, 0);
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/mt7530.c: In function 'mt7530_probe':
drivers/net/dsa/mt7530.c:1068:17: error: implicit declaration of function 'devm_gpiod_get_optional' [-Werror=implicit-function-declaration]
priv->reset = devm_gpiod_get_optional(&mdiodev->dev, "reset",
^~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/mt7530.c:1069:13: error: 'GPIOD_OUT_LOW' undeclared (first use in this function)
GPIOD_OUT_LOW);
^~~~~~~~~~~~~
drivers/net/dsa/mt7530.c:1069:13:
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows using deferred skb freeing and with NAPI. And get buffer
recycling.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Kalle Valo says:
====================
wireless-drivers-next patches for 4.12
Lots of bugfixes as usual but also some new features.
Major changes:
ath10k
* improve firmware download time for QCA6174 and QCA9377, especially
helps resume time
ath9k_htc
* add support AirTies 1eda:2315 AR9271 device
rt2x00
* add support MT7620
mwifiex
* enable auto deep sleep mode for USB chipsets
brcmfmac
* add support for network namespaces (WIPHY_FLAG_NETNS_OK)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-04-08
This series contains updates to i40e and i40evf only.
Mitch fixes an issue where the client driver (i40iw) was attempting to
load on x710 devices (which do not support iWARP), so only register with
the client if iWARP is supported.
Jake fixes up error messages to better clarify to the user when adding a
invalid flow type. Updates the driver to look up the MAC address from
eth_get_platform_mac_address() first before checking what the firmware
provides. Cleans up code so we are not repeating a duplicate loop, by
checking both transmit and receive queues in a single loop. Also cleans
up flags never used, so remove the definitions.
Alex does cleanup so that we are always updating pf->flags when a change
is made to the private flags. Adds support for 3K buffers to the receive
path so that we can provide the additional padding needed in the event
of NET_IP_ALIGN being non-zero or a cache line being greater than 64.
Adds support for build_skb() to i40e/i40evf.
Maciej adjusts the scope of the rtnl lock held during reset because it
was stopping other PFs from running their reset procedures.
Alan reduces code complexity in i40e_detect_recover_hung_queue().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull staging/IIO driver rfixes from Greg KH:
"Here are a number of small IIO and staging driver fixes for 4.11-rc6.
Nothing big here, just iio fixes for reported issues, and an ashmem
fix for a very old bug that has been reported by a number of Android
vendors"
* tag 'staging-4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: android: ashmem: lseek failed due to no FMODE_LSEEK.
iio: hid-sensor-attributes: Fix sensor property setting failure.
iio: accel: hid-sensor-accel-3d: Fix duplicate scan index error
iio: core: Fix IIO_VAL_FRACTIONAL_LOG2 for negative values
iio: st_pressure: initialize lps22hb bootime
iio: bmg160: reset chip when probing
iio: cros_ec_sensors: Fix return value to get raw and calibbias data.
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Pull block fixes from Jens Axboe:
"Here's a pull request for 4.11-rc, fixing a set of issues mostly
centered around the new scheduling framework. These have been brewing
for a while, but split up into what we absolutely need in 4.11, and
what we can defer until 4.12. These are well tested, on both single
queue and multiqueue setups, and with and without shared tags. They
fix several hangs that have happened in testing.
This is obviously larger than I would have preferred at this point in
time, but I don't think we can shave much off this and still get the
desired results.
In detail, this pull request contains:
- a set of five fixes for NVMe, mostly from Christoph and one from
Roland.
- a series from Bart, fixing issues with dm-mq and SCSI shared tags
and scheduling. Note that one of those patches commit messages may
read like an optimization, but it is in fact an important fix for
queue restarts in particular.
- a series from Omar, most importantly fixing a hang with multiple
hardware queues when we fail to get a driver tag. Another important
fix in there is for resizing hardware queues, which nbd does when
handling multiple sockets for one connection.
- fixing an imbalance in putting the ctx for hctx request allocations
from Minchan"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: Restart a single queue if tag sets are shared
dm rq: Avoid that request processing stalls sporadically
scsi: Avoid that SCSI queues get stuck
blk-mq: Introduce blk_mq_delay_run_hw_queue()
blk-mq: remap queues when adding/removing hardware queues
blk-mq-sched: fix crash in switch error path
blk-mq-sched: set up scheduler tags when bringing up new queues
blk-mq-sched: refactor scheduler initialization
blk-mq: use the right hctx when getting a driver tag fails
nvmet: fix byte swap in nvmet_parse_io_cmd
nvmet: fix byte swap in nvmet_execute_write_zeroes
nvmet: add missing byte swap in nvmet_get_smart_log
nvme: add missing byte swap in nvme_setup_discard
nvme: Correct NVMF enum values to match NVMe-oF rev 1.0
block: do not put mq context in blk_mq_alloc_request_hctx
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Pull pin control fix from Linus Walleij:
"This late fix for pin control is hopefully the last I send this cycle.
The problem was detected early in the v4.11 release cycle and there
has been some back and forth on how to solve it. Sadly the proper fix
arrives late, but at least not too late.
An issue was detected with pin control on the Freescale i.MX after the
refactorings for more general group and function handling.
We now have the proper fix for this"
* tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()
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Marc Kleine-Budde says:
====================
pull-request: can 2017-04-04
this is a pull request of two patches for net/master.
The first patch by Markus Marb fixes a register read access in the ifi driver.
The second patch by Geert Uytterhoeven for the rcar driver remove the printing
of a kernel virtual address.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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For security reasons, NIC firmware does not allow VF to set its VLAN if PF
set it already. Firmware allows VF to set its VLAN if PF did not set it.
After the VF instructs the firmware to set the VLAN, VF always indicates
(via return 0) that the operation is successful--even for the times when it
isn't.
Put in a mechanism for the VF's set VLAN function to receive the firmware
response code, then make that function return -EPERM if the firmware
forbids the operation.
Make that mechanism available for other functions that may, in the future,
be interested in receiving the response code from the firmware. That
mechanism involves adding new fields to struct octnic_ctrl_pkt, so make all
users of struct octnic_ctrl_pkt initialize the struct to zero before using
it; otherwise, the mechanism might act on uninitialized garbage.
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prior to opening the channel we should have all the state setup to handle
interrupts. The current code does not do that; fix the bug. This bug
can result in faults in the interrupt path.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Julian Wiedmann
Fugang Duan
Christoph Hellwig
Thanneeru Srinivasulu
Jonathan Neuschäfer
Joonas Lahtinen
Sagar Arun Kamble
Jani Nikula
Jiri Kosina
Mika Westerberg
Cameron Gutman
Ondrej Zary
Marc Zyngier
Michael S. Tsirkin
Benjamin Herrenschmidt
Linus Torvalds
Chanwoo Choi
Florian Fainelli
stephen hemminger
David S. Miller
Felix Manlunas
K. Y. Srinivasan