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Straightforward. As an aside, the ida_init calls are not needed as far as
I can see needed. (DEFINE_IDA does the same already).
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Acked-by: Clifton Barnes <cabarnes@indesign-llc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add "depends on GENERIC_HARDIRQS" to avoid compile breakage on s390:
drivers/built-in.o: In function `pps_gpio_remove':
linux-next/drivers/pps/clients/pps-gpio.c:189: undefined reference to `free_irq'
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: James Nuss <jamesnuss@nanometrics.ca>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This client driver allows you to use a GPIO pin as a source for PPS
signals. Platform data [1] are used to specify the GPIO pin number,
label, assert event edge type, and whether clear events are captured.
This driver is based on the work by Ricardo Martins who submitted an
initial implementation [2] of a PPS IRQ client driver to the linuxpps
mailing-list on Dec 3 2010.
[1] include/linux/pps-gpio.h
[2] http://ml.enneenne.com/pipermail/linuxpps/2010-December/004155.html
[akpm@linux-foundation.org: remove unneeded cast of void*]
Signed-off-by: James Nuss <jamesnuss@nanometrics.ca>
Cc: Ricardo Martins <rasm@fe.up.pt>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Ricardo Martins <rasm@fe.up.pt>
Cc: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Cc: Igor Plyatov <plyatov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A default echo function has been provided so it is no longer an error when
you specify PPS_ECHOASSERT or PPS_ECHOCLEAR without an explicit echo
function. This allows some code re-use and also makes it easier to write
client drivers since the default echo function does not normally need to
change.
Signed-off-by: James Nuss <jamesnuss@nanometrics.ca>
Reviewed-by: Ben Gardiner <bengardiner@nanometrics.ca>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Cc: Ricardo Martins <rasm@fe.up.pt>
Cc: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Cc: Igor Plyatov <plyatov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Modify Ethernet addess macros to be compatible with BE/LE platforms
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Chul Kim <chul.kim@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: <stable@kernel.org> [2.6.39+]
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The "goto cleanup" path can deference "rswitch" when it is NULL.
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Chul Kim <chul.kim@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add RapidIO mport driver for IDT TSI721 PCI Express-to-SRIO bridge device.
The driver provides full set of callback functions defined for mport
devices in RapidIO subsystem. It also is compatible with current version
of RIONET driver (Ethernet over RapidIO messaging services).
This patch is applicable to kernel versions starting from 2.6.39.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Chul Kim <chul.kim@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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complete
The discovered bit in PGCCSR register indicates if the device has been
discovered by system host. In Rapidio systems, some agent devices can also
be master devices. They can issue requests into the system.
Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.exit.text
The driver is added using platform_driver_probe(), so the callbacks can be
discarded more aggessively.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add initial support for the microchip mcp7941x series of real time clocks.
The mcp7941x series is generally compatible with the ds1307 and ds1337 rtc
devices from dallas semiconductor. minor differences include a backup
battery enable bit, and the polarity of the oscillator enable bit.
Signed-off-by: David Anders <danders.dev@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is the one use of an ida that doesn't retry on receiving -EAGAIN.
I'm assuming do so will cause no harm and may help on a rare occasion.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://github.com/rustyrussell/linux:
virtio-blk: use ida to allocate disk index
virtio: Add platform bus driver for memory mapped virtio device
virtio: Dont add "config" to list for !per_vq_vector
virtio: console: wait for first console port for early console output
virtio: console: add port stats for bytes received, sent and discarded
virtio: console: make discard_port_data() use get_inbuf()
virtio: console: rename variable
virtio: console: make get_inbuf() return port->inbuf if present
virtio: console: Fix return type for get_inbuf()
virtio: console: Use wait_event_freezable instead of _interruptible
virtio: console: Ignore port name update request if name already set
virtio: console: Fix indentation
virtio: modify vring_init and vring_size to take account of the layout containing *_event_idx
virtio.h: correct comment for struct virtio_driver
virtio-net: Use virtio_config_val() for retrieving config
virtio_config: Add virtio_config_val_len()
virtio-console: Use virtio_config_val() for retrieving config
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While debugging a usb3 problem, I stumbled upon this lockdep warning.
Oct 18 21:41:17 dhcp47-74 kernel: =================================
Oct 18 21:41:17 dhcp47-74 kernel: [ INFO: inconsistent lock state ]
Oct 18 21:41:17 dhcp47-74 kernel: 3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: ---------------------------------
Oct 18 21:41:17 dhcp47-74 kernel: inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
Oct 18 21:41:17 dhcp47-74 kernel: swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
Oct 18 21:41:17 dhcp47-74 kernel: (&(&xhci->lock)->rlock){?.-...}, at: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: {IN-HARDIRQ-W} state was registered at:
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109a941>] __lock_acquire+0x781/0x1660
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa02299fa>] xhci_irq+0x3a/0x1960 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa022b351>] xhci_msi_irq+0x31/0x40 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d2305>] handle_irq_event_percpu+0x85/0x320
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d25e8>] handle_irq_event+0x48/0x70
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d537d>] handle_edge_irq+0x6d/0x130
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810048c9>] handle_irq+0x49/0xa0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150d56d>] do_IRQ+0x5d/0xe0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff815029b0>] ret_from_intr+0x0/0x13
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81388aca>] usb_set_device_state+0x8a/0x180
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8138f038>] usb_add_hcd+0x2b8/0x730
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa022ed7e>] xhci_pci_probe+0x9e/0xd4 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127915f>] local_pci_probe+0x5f/0xd0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127a569>] pci_device_probe+0x119/0x120
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81334473>] driver_probe_device+0xa3/0x2c0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8133473b>] __driver_attach+0xab/0xb0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8133373c>] bus_for_each_dev+0x6c/0xa0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff813341fe>] driver_attach+0x1e/0x20
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81333b88>] bus_add_driver+0x1f8/0x2b0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81334df6>] driver_register+0x76/0x140
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127a7c6>] __pci_register_driver+0x66/0xe0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa013c04a>] snd_timer_find+0x4a/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa013c00e>] snd_timer_find+0xe/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810001d3>] do_one_initcall+0x43/0x180
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810a9ed2>] sys_init_module+0x92/0x1f0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150ab6b>] system_call_fastpath+0x16/0x1b
Oct 18 21:41:17 dhcp47-74 kernel: irq event stamp: 631984
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last enabled at (631984): [<ffffffff81502720>] _raw_spin_unlock_irq+0x30/0x50
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last disabled at (631983): [<ffffffff81501c49>] _raw_spin_lock_irq+0x19/0x90
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last enabled at (631980): [<ffffffff8105ff63>] _local_bh_enable+0x13/0x20
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last disabled at (631981): [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: other info that might help us debug this:
Oct 18 21:41:17 dhcp47-74 kernel: Possible unsafe locking scenario:
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: CPU0
Oct 18 21:41:17 dhcp47-74 kernel: ----
Oct 18 21:41:17 dhcp47-74 kernel: lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel: <Interrupt>
Oct 18 21:41:17 dhcp47-74 kernel: lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: *** DEADLOCK ***
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: 1 lock held by swapper/0:
Oct 18 21:41:17 dhcp47-74 kernel: #0: (&ep->stop_cmd_timer){+.-...}, at: [<ffffffff8106abf2>] run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: stack backtrace:
Oct 18 21:41:17 dhcp47-74 kernel: Pid: 0, comm: swapper Tainted: G W 3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: Call Trace:
Oct 18 21:41:17 dhcp47-74 kernel: <IRQ> [<ffffffff81098ed7>] print_usage_bug+0x227/0x270
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810999c6>] mark_lock+0x346/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109a7de>] __lock_acquire+0x61e/0x1660
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81099893>] ? mark_lock+0x213/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106ac9d>] run_timer_softirq+0x20d/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228960>] ? xhci_queue_isoc_tx_prepare+0x8e0/0x8e0 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810604d2>] __do_softirq+0xf2/0x3f0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81020edd>] ? lapic_next_event+0x1d/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81090d4e>] ? clockevents_program_event+0x5e/0x90
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8100484d>] do_softirq+0x8d/0xc0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8105ff35>] irq_exit+0xe5/0x100
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150d65e>] smp_apic_timer_interrupt+0x6e/0x99
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150b6f0>] apic_timer_interrupt+0x70/0x80
Oct 18 21:41:17 dhcp47-74 kernel: <EOI> [<ffffffff81095d8d>] ? trace_hardirqs_off+0xd/0x10
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb76>] ? acpi_idle_enter_bm+0x227/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb71>] ? acpi_idle_enter_bm+0x222/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff813eda63>] cpuidle_idle_call+0x103/0x290
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81002155>] cpu_idle+0xe5/0x160
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7f50>] rest_init+0xe0/0xf0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7e70>] ? csum_partial_copy_generic+0x170/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8e23>] start_kernel+0x3fc/0x407
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8321>] x86_64_start_reservations+0x131/0x135
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8412>] x86_64_start_kernel+0xed/0xf4
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: xHCI host not responding to stop endpoint command.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: Assuming host is dying, halting host.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: HC died; cleaning up
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -110
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -22
Oct 18 21:41:17 dhcp47-74 kernel: hub 3-0:1.0: cannot disable port 4 (err = -19)
Basically what is happening is in xhci_stop_endpoint_command_watchdog()
the xhci->lock is grabbed with just spin_lock. What lockdep deduces is
that if an interrupt occurred while in this function it would deadlock
with xhci_irq because that function also grabs the xhci->lock.
Fixing it is trivial by using spin_lock_irqsave instead.
This should be queued to stable kernels as far back as 2.6.33.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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Perform "echo test" when cmd queue stuck detected, somethime it will cause
calltrace. I am not sure how to fix it yet, just remove the action now until
find a better way to handle it.
Reported-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The driver can spam the logs with "RX: Packet dropped" messages. These drops
originate from 1. a correpted PLCP, 2. decryption errors, and 3. packet
size underruns. Condition #3 logs a separate message, thus no dropped message
is needed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Continue the init process even fail to enable msi
out_iounmap is no longer used, remove it
Reported-by: werner <w.landgraf@ru.ru>
Tested-by: werner <w.landgraf@ru.ru>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Commit 2e30168b ("libertas: terminate scan when stopping interface")
adds cleanup code to lbs_eth_stop to call cfg80211_scan_done if there's
an outstanding cfg80211_scan_request. However, it assumes that the
scan request was allocated via the cfg80211 stack. Libertas has
its own internal allocation method, kept track of with
priv->internal_scan. This doesn't set scan_req->wiphy, amongst other
things, which results in hitting a BUG() when we call cfg80211_scan_done
on the request.
This provides a function to take care of the low-level scan_req cleanup
details. We simply call that to deal with finishing up scan requests.
The bug we were hitting was:
[ 964.321495] kernel BUG at net/wireless/core.h:87!
[ 964.329970] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 964.341963] pgd = dcf80000
...
[ 964.849998] 9fe0: 00000000 beb417b8 4018e280 401e822c 60000010 00000004 00000000 00000000
[ 964.865007] [<c003104c>] (__bug+0x1c/0x28) from [<c0384ffc>] (cfg80211_scan_done+0x54/0x6c)
[ 964.895324] [<c0384ffc>] (cfg80211_scan_done+0x54/0x6c) from [<bf028bac>] (lbs_eth_stop+0x10c/0x188 [libertas])
[ 964.895324] [<bf028bac>] (lbs_eth_stop+0x10c/0x188 [libertas]) from [<c03002a0>] (__dev_close_many+0x94/0xc4)
[ 964.918995] [<c03002a0>] (__dev_close_many+0x94/0xc4) from [<c030037c>] (dev_close_many+0x78/0xe0)
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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During the fast channel change noise floor values are being loaded
twice at init_cal and after channel_change. The commit "ath9k_hw:
Improve fast channel change for AR9003 chips" overlooked it that
caused failure to load nf while doing bgscan. This patch performs noise
floor calibration after the fast and full reset.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes system hang when resuming from S3 state
and lower rate sens failure issue.
Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Previously the driver did not care if TX_CTL_REQ_TX_STATUS
was set on aggregated frames or not and it would silently
drop successfully sent frames if possible [much like:
"no news is good news!"].
But, TX_CTL_REQ_TX_STATUS was invented for a reason and
no tx status report should ever be dropped if it is set.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit ce407afc10 introduced regression for AR9330/AR9340
register offsets. Some of the register offsets are common
for AR9330/AR9340/AR9485 except AR9380. Fix that.
Cc: stable@kernel.org [3.1.0+]
Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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IQ calibration during fast channel change sometimes failed
with RTT. And also restoring invalid radio retention readings
during init cal could cause failure to set the channel properly.
This patch counts the valid rtt history readings and clears
rtt mask.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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My recent commits (3782c69d, 324c74a) introduced regression
for register offset selection that based on the macversion.
Not using parentheses in proper manner for ternary operator
leads to select wrong offset for the registers.
This issue was observed with AR9462 chip that immediate disconnect
after the association with the following message
ieee80211 phy3: wlan0: Failed to send nullfunc to AP 00:23:69:12:ea:47
after 500ms, disconnecting.
Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As Stanislaw pointed out, my patch
iwlagn: fix a race in the unmapping of the TFDs
solved only part of the problem. The race still exists for TFDs of
the host commands. Fix that too.
Reported-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth
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git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue:
vfs: add d_prune dentry operation
vfs: protect i_nlink
filesystems: add set_nlink()
filesystems: add missing nlink wrappers
logfs: remove unnecessary nlink setting
ocfs2: remove unnecessary nlink setting
jfs: remove unnecessary nlink setting
hypfs: remove unnecessary nlink setting
vfs: ignore error on forced remount
readlinkat: ensure we return ENOENT for the empty pathname for normal lookups
vfs: fix dentry leak in simple_fill_super()
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* 'for-linus' of git://github.com/richardweinberger/linux: (90 commits)
um: fix ubd cow size
um: Fix kmalloc argument order in um/vdso/vma.c
um: switch to use of drivers/Kconfig
UserModeLinux-HOWTO.txt: fix a typo
UserModeLinux-HOWTO.txt: remove ^H characters
um: we need sys/user.h only on i386
um: merge delay_{32,64}.c
um: distribute exports to where exported stuff is defined
um: kill system-um.h
um: generic ftrace.h will do...
um: segment.h is x86-only and needed only there
um: asm/pda.h is not needed anymore
um: hw_irq.h can go generic as well
um: switch to generic-y
um: clean Kconfig up a bit
um: a couple of missing dependencies...
um: kill useless argument of free_chan() and free_one_chan()
um: unify ptrace_user.h
um: unify KSTK_...
um: fix gcov build breakage
...
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The commit
target: use a workqueue for I/O completions
accidentally removed setting t_tasks_failed in transport_complete_task.
Add it back in a slightly cleaner way; now it is set for every failed task
instead of special casing the last one completing by using the success
argument directly for it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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The check is wrong here because blk_make_request() returns an
ERR_PTR() and it doesn't return NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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This patch drops TRANSPORT_FREE_CMD_INTR usage from target core, which
includes the removal of transport_generic_free_cmd_intr() symbol,
TRANSPORT_FREE_CMD_INTR usage in transport_processing_thread(), and
special case LUN_RESET handling to skip TRANSPORT_FREE_CMD_INTR processing
in core_tmr_drain_cmd_list(). We now expect that fabric modules will
use an internal workqueue to provide process context when releasing
se_cmd descriptor resources via transport_generic_free_cmd().
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Madhuranath Iyengar <mni@risingtidesystems.com>
Signed-off-by: Nicholas Bellinger <nab@risingtidesystems.com>
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This patch converts target_core_fabric_ops->check_stop_free() usage in
transport_cmd_check_stop() and associated fabric module usage to
return '1' when the passed se_cmd has been released directly within
->check_stop_free(), or return '0' when the passed se_cmd has not
been released.
This addresses an issue where transport_cmd_finish_abort() ->
transport_cmd_check_stop_to_fabric() was leaking descriptors during
LUN_RESET for modules using ->check_stop_free(), but not directly
releasing se_cmd in all cases.
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@risingtidesystems.com>
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This patch addresses two issues with non immediate TMR handling in
iscsit_handle_task_mgt_cmd(). The first involves breakage due to
v3.1-rc conversion of iscsit_sequence_cmd(), which upon good status
would hit the iscsit_add_reject_from_cmd() block of code. This patch
adds an explict check for CMDSN_ERROR_CANNOT_RECOVER.
The second adds a check to return when non immediate TMR operation is
detected after iscsit_ack_from_expstatsn(), as iscsit_sequence_cmd()
-> iscsit_execute_cmd() will have called transport_generic_handle_tmr()
for the non immediate TMR case already.
Cc: Andy Grover <agrover@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds a missing CMDSN_LOWER_THAN_EXP return check for
iscsit_sequence_cmd() in iscsit_handle_scsi_cmd() that was incorrectly
dropped during the v3.1-rc cleanups to use iscsit_sequence_cmd().
Cc: Andy Grover <agrover@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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After the list_del() in core_tmr_drain_tmr_list(),
core_tmr_release_req() would list_del() the same object again.
Call graph:
core_tmr_drain_tmr_list
transport_cmd_finish_abort_tmr
transport_generic_remove
transport_free_se_cmd
core_tmr_release_req
So use list_del_init(), as list_del() of an initialized list_head is
safe and essentially a nop. In the CONFIG_DEBUG_LIST case, list_del()
actually poisons the list_head, but that is fine as we free the object
directly afterwards.
Signed-off-by: Joern Engel <joern@logfs.org>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@risingtidesystems.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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* kill duplicates with drivers/char/Kconfig
* take watchdog one into drivers/watchdog/Kconfig
* take mmapper to arch/um/Kconfig.um
* rename Kconfig.char menu to "UML Character Devices"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Replace remaining direct i_nlink updates with a new set_nlink()
updater function.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Replace direct i_nlink updates with the respective updater function
(inc_nlink, drop_nlink, clear_nlink, inode_dec_link_count).
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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We need to redefine a connector as "connected" if it matches a window
in the host preferred GUI layout.
Otherwise "smart" window managers would turn on Xorg outputs that we don't
want to be on.
This reinstates the update_layout and adds the following information to
the modesetting system.
a) Connection status <-> Equivalent to real hardware connection status
b) Preferred mode <-> Equivalent to real hardware reading EDID
c) Host window position <-> Equivalent to a real hardware scanout address
dynamic register.
It should be noted that there is no assumption here about what should be
displayed and where. Only how to access the host windows.
This also bumps minor to signal availability of the new IOCTL.
Based on code originally written by Jakob Bornecrantz
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Commit 9e903e085262 ("net: add skb frag size accessors") used frag_size
instead of skb_frag_size in this file.
Fixes this build error:
drivers/net/ethernet/xilinx/ll_temac_main.c: In function 'temac_start_xmit':
drivers/net/ethernet/xilinx/ll_temac_main.c:717:3: error: implicit declaration of function 'frag_size' [-Werror=implicit-function-declaration]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc:
ARM: gic: use module.h instead of export.h
ARM: gic: fix irq_alloc_descs handling for sparse irq
ARM: gic: add OF based initialization
ARM: gic: add irq_domain support
irq: support domains with non-zero hwirq base
of/irq: introduce of_irq_init
ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support
ARM: at91: dt: at91sam9g45 family and board device tree files
arm/mx5: add device tree support for imx51 babbage
arm/mx5: add device tree support for imx53 boards
ARM: msm: Add devicetree support for msm8660-surf
msm_serial: Add devicetree support
msm_serial: Use relative resources for iomem
Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}
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* 'next/cleanup2' of git://git.linaro.org/people/arnd/arm-soc: (31 commits)
ARM: OMAP: Warn if omap_ioremap is called before SoC detection
ARM: OMAP: Move set_globals initialization to happen in init_early
ARM: OMAP: Map SRAM later on with ioremap_exec()
ARM: OMAP: Remove calls to SRAM allocations for framebuffer
ARM: OMAP: Avoid cpu_is_omapxxxx usage until map_io is done
ARM: OMAP1: Use generic map_io, init_early and init_irq
arm/dts: OMAP3+: Add mpu, dsp and iva nodes
arm/dts: OMAP4: Add a main ocp entry bound to l3-noc driver
ARM: OMAP2+: l3-noc: Add support for device-tree
ARM: OMAP2+: board-generic: Add i2c static init
ARM: OMAP2+: board-generic: Add DT support to generic board
arm/dts: Add support for OMAP3 Beagle board
arm/dts: Add initial device tree support for OMAP3 SoC
arm/dts: Add support for OMAP4 SDP board
arm/dts: Add support for OMAP4 PandaBoard
arm/dts: Add initial device tree support for OMAP4 SoC
ARM: OMAP: omap_device: Add a method to build an omap_device from a DT node
ARM: OMAP: omap_device: Add omap_device_[alloc|delete] for DT integration
of: Add helpers to get one string in multiple strings property
ARM: OMAP2+: devices: Remove all omap_device_pm_latency structures
...
Fix up trivial header file conflicts in arch/arm/mach-omap2/board-generic.c
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* 'next/devel' of git://git.linaro.org/people/arnd/arm-soc: (50 commits)
ARM: tegra: update defconfig
arm/tegra: Harmony: Configure PMC for low-level interrupts
arm/tegra: device tree support for ventana board
arm/tegra: add support for ventana pinmuxing
arm/tegra: prepare Seaboard pinmux code for derived boards
arm/tegra: pinmux: ioremap registers
gpio/tegra: Convert to a platform device
arm/tegra: Convert pinmux driver to a platform device
arm/dt: Tegra: Add pinmux node to tegra20.dtsi
arm/tegra: Prep boards for gpio/pinmux conversion to pdevs
ARM: mx5: fix clock usage for suspend
ARM i.MX entry-macro.S: remove now unused code
ARM i.MX boards: use CONFIG_MULTI_IRQ_HANDLER
ARM i.MX tzic: add handle_irq function
ARM i.MX avic: add handle_irq function
ARM: mx25: Add the missing IIM base definition
ARM i.MX avic: convert to use generic irq chip
mx31moboard: Add poweroff support
ARM: mach-qong: Add watchdog support
ARM: davinci: AM18x: Add wl1271/wlan support
...
Fix up conflicts in:
arch/arm/mach-at91/at91sam9g45.c
arch/arm/mach-mx5/devices-imx53.h
arch/arm/plat-mxc/include/mach/memory.h
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* 'next/timer' of git://git.linaro.org/people/arnd/arm-soc:
clocksource: fixup ux500 build problems
ARM: omap: use __devexit_p in dmtimer driver
ARM: ux500: Reprogram timers upon resume
ARM: plat-nomadik: timer: Export reset functions
ARM: plat-nomadik: timer: Add support for periodic timers
ARM: ux500: Move timer code to separate file
ARM: ux500: add support for clocksource DBX500 PRCMU
clocksource: add DBX500 PRCMU Timer support
ARM: plat-nomadik: MTU sched_clock as an option
ARM: OMAP: dmtimer: add error handling to export APIs
ARM: OMAP: dmtimer: low-power mode support
ARM: OMAP: dmtimer: skip reserved timers
ARM: OMAP: dmtimer: pm_runtime support
ARM: OMAP: dmtimer: switch-over to platform device driver
ARM: OMAP: dmtimer: platform driver
ARM: OMAP2+: dmtimer: convert to platform devices
ARM: OMAP1: dmtimer: conversion to platform devices
ARM: OMAP2+: dmtimer: add device names to flck nodes
ARM: OMAP: Add support for dmtimer v2 ip
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* 'next/driver' of git://git.linaro.org/people/arnd/arm-soc:
hw_random: add driver for atmel true hardware random number generator
ARM: at91: at91sam9g45: add trng clock and platform device
MX53 Enable the AHCI SATA on MX53 SMD board
MX53 Enable the AHCI SATA on MX53 LOCO board
MX53 Enable the AHCI SATA on MX53 ARD board
AHCI Add the AHCI SATA feature on the MX53 platforms
Fix pata imx resource
ARM: imx: Define functions for registering PATA
ARM: imx: Add PATA clock support
ARM: imx: Add PATA resources for other i.MX processors
imx: efika: Enable pata.
imx51: add pata clock
imx51: add pata device
Fix up trivial conflict (new selects next to each other from separate
branches for EFIKA_COMMON) in arch/arm/mach-mx5/Kconfig
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* 'next/cleanup' of git://git.linaro.org/people/arnd/arm-soc: (125 commits)
ARM: mach-mxs: fix machines' initializers order
mmc: mxcmmc: explicitly includes mach/hardware.h
arm/imx: explicitly includes mach/hardware.h in pm-imx27.c
arm/imx: remove mx27_setup_weimcs() from mx27.h
arm/imx: explicitly includes mach/hardware.h in mach-kzm_arm11_01.c
arm/imx: remove mx31_setup_weimcs() from mx31.h
ARM: tegra: devices.c should include devices.h
ARM: tegra: cpu-tegra: unexport two functions
ARM: tegra: cpu-tegra: sparse type fix
ARM: tegra: dma: staticify some tables and functions
ARM: tegra: tegra2_clocks: don't export some tables
ARM: tegra: tegra_powergate_is_powered should be static
ARM: tegra: tegra_rtc_read_ms should be static
ARM: tegra: tegra_init_cache should be static
ARM: tegra: pcie: 0 -> NULL changes
ARM: tegra: pcie: include board.h
ARM: tegra: pcie: don't cast __iomem pointers
ARM: tegra: tegra2_clocks: 0 -> NULL changes
ARM: tegra: tegra2_clocks: don't cast __iomem pointers
ARM: tegra: timer: don't cast __iomem pointers
...
Fix up trivial conflicts in
arch/arm/mach-omap2/Makefile,
arch/arm/mach-u300/{Makefile.boot,core.c}
arch/arm/plat-{mxc,omap}/devices.c
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* 'next/fixes' of git://git.linaro.org/people/arnd/arm-soc: (28 commits)
ARM: pxa/cm-x300: properly set bt_reset pin
ARM: mmp: rename SHEEVAD to GPLUGD
ARM: imx: Fix typo 'MACH_MX31_3DS_MXC_NAND_USE_BBT'
ARM: i.MX28: shift frac value in _CLK_SET_RATE
plat-mxc: iomux-v3.h: implicitly enable pull-up/down when that's desired
ARM: mx5: fix clock usage for suspend
ARM: pxa: use correct __iomem annotations
ARM: pxa: sharpsl pm needs SPI
ARM: pxa: centro and treo680 need palm27x
ARM: pxa: make pxafb_smart_*() empty when not enabled
ARM: pxa: select POWER_SUPPLY on raumfeld
ARM: pxa: pxa95x is incompatible with earlier pxa
ARM: pxa: CPU_FREQ_TABLE is needed for CPU_FREQ
ARM: pxa: pxa95x/saarb depends on pxa3xx code
ARM: pxa: allow selecting just one of TREO680/CENTRO
ARM: pxa: export symbols from pxa3xx-ulpi
ARM: pxa: make zylonite_pxa*_init declaration match code
ARM: pxa/z2: fix building error of pxa27x_cpu_suspend() no longer available
ARM: at91: add defconfig for at91sam9g45 family
ARM: at91: remove dependency for Atmel PWM driver selector in Kconfig
...
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Based on a patch by Mark Wu <dwu@redhat.com>
Current index allocation in virtio-blk is based on a monotonically
increasing variable "index". This means we'll run out of numbers
after a while. It also could cause confusion about the disk
name in the case of hot-plugging disks.
Change virtio-blk to use ida to allocate index, instead.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This patch, based on virtio PCI driver, adds support for memory
mapped (platform) virtio device. This should allow environments
like qemu to use virtio-based block & network devices even on
platforms without PCI support.
One can define and register a platform device which resources
will describe memory mapped control registers and "mailbox"
interrupt. Such device can be also instantiated using the Device
Tree node with compatible property equal "virtio,mmio".
Cc: Anthony Liguori <aliguori@us.ibm.com>
Cc: Michael S.Tsirkin <mst@redhat.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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