| Commit message (Collapse) | Author | Age | Files | Lines |
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SSI counts in words, the DMA engine in bytes. (Wrong) factor got removed
in bf974a0 (ASoC i.MX: switch to new DMA api).
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
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They got accidently removed by f0fba2a (ASoC: multi-component - ASoC
Multi-Component Support). Reintroduce them and get rid of the
superfluous defines because the fiq-driver has its own hardcoded values.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
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This stops code that handles widgets generically from attempting to access
registers for these widgets.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into fix/asoc
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Register 0x40, 0x41 need to be restored after power up, since
it contains gain related fields, which affects playback volume.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The lock is used within the interrupt handler.
Correct the spinlock usage, and use irqsave/irqrestore
flavour of spin_lock/unlock.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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When period interrupts are disabled, snd_pcm_update_hw_ptr0() compares
the current time against the time estimated for the current hardware
pointer to detect xruns. The somewhat fuzzy threshold in the while loop
makes it possible that hdelta becomes negative; the comparison being
done with unsigned types then makes the loop go through the entire 263
negative range, and, depending on the value, never reach an unsigned
value that is small enough to stop the loop. Doing this with interrupts
disabled results in the machine locking up.
To prevent this, ensure that the loop condition uses signed types for
both operands so that the comparison is correctly done.
Many thanks to Kelly Anderson for debugging this.
Reported-by: Nix <nix@esperi.org.uk>
Reported-by: "Christopher K." <c.krooss@googlemail.com>
Reported-and-tested-by: Kelly Anderson <kelly@silka.with-linux.com>
Signed-off-by: Kelly Anderson <kelly@silka.with-linux.com>
[cl: remove unneeded casts; use a temp variable]
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: 2.6.38 <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This quirk is needed for the docking station mic of
Lenovo Thinkpad X220 to function correctly.
BugLink: http://bugs.launchpad.net/bugs/746259
Cc: stable@kernel.org
Tested-by: James Ferguson <james.ferguson@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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To make the EV1938 chip work, add a magic bit and an extra delay.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Tino Schmidt <mailtinoshomepage@gmx.net>
Cc: all 2.6.x <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When aborting a PCM stream, the xrun is signaled only if the stream is
running. When disconnecting a PCM stream, calling snd_card_disconnect()
too early would change the stream into a non-running state and thus
prevent the xrun from being noticed by user space.
To prevent this, move the snd_card_disconnect() call after the xrun.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Use pin-fix instead of the static quirk for Gigabyte mobos 1458:a002.
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=677256
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
kdump: Allow shrinking of kdump region to be overridden
powerpc/pmac/smp: Remove no-longer needed preempt workaround
powerpc/smp: Increase vdso_data->processorCount, not just decrease it
powerpc/smp: Create idle threads on demand and properly reset them
powerpc/smp: Don't expose per-cpu "cpu_state" array
powerpc/pmac/smp: Fix CPU hotplug crashes on some machines
powerpc/smp: Add a smp_ops->bringup_up() done callback
powerpc/pmac: Rename cpu_state in therm_pm72 to avoid collision
powerpc/pmac/smp: Properly NAP offlined CPU on G5
powerpc/pmac/smp: Remove HMT changes for PowerMac offline code
powerpc/pmac/smp: Consolidate 32-bit and 64-bit PowerMac cpu_die in one file
powerpc/pmac/smp: Fixup smp_core99_cpu_disable() and use it on 64-bit
powerpc/pmac/smp: Rename fixup_irqs() to migrate_irqs() and use it on ppc32
powerpc/pmac/smp: Fix 32-bit PowerMac cpu_die
powerpc/smp: Remove unused smp_ops->cpu_enable()
powerpc/smp: Remove unused generic_cpu_enable()
powerpc/smp: Fix generic_mach_cpu_die()
powerpc/smp: soft-replugged CPUs must go back to start_secondary
powerpc: Make decrementer interrupt robust against offlined CPUs
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On ppc64 the crashkernel region almost always overlaps an area of firmware.
This works fine except when using the sysfs interface to reduce the kdump
region. If we free the firmware area we are guaranteed to crash.
Rename free_reserved_phys_range to crash_free_reserved_phys_range and make
it a weak function so we can override it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The generic code properly re-initializes the preempt count in the
idle thread now
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Instead of creating idle threads at boot for all possible CPUs, we
create them on demand, like x86 or ARM, and we properly call init_idle
to re-initialize an idle thread when a CPU was unplugged and is now
re-plugged.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Instead, keep it static, expose an accessor and use that from
the PowerMac code. Avoids easy namespace collisions and will
make it easier to consolidate with other implementations.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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On some machines that use i2c to synchronize the timebases (such
as PowerMac7,2/7,3 G5 machines), hotplug CPU would crash when
putting back a new CPU online due to the underlying i2c bus being
closed.
This uses the newly added bringup_done() callback to move the close
along with other housekeeping calls, and adds a CPU notifier to
re-open the i2c bus around subsequent hotplug operations
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This allows us to stop abusing smp_ops->setup_cpu() for cleanup
tasks that have to take place after the initial boot time CPU
bringup.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This collides with the cpu_state in our SMP code, use processor_state
instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The current code soft-disables, and then goes to NAP mode which
turns interrupts on. That means that if an interrupt occurs, we
will hit the masked interrupt code path which isn't what we want,
as it will return with EE off, which will either get us out of
NAP mode, or fail to enter it (according to spec).
Instead, let's just rely on the fact that it is safe to take
decrementer interrupts on an offline CPU and leave interrupts
enabled. We can also get rid of the special case in asm for
power4_cpu_offline_powersave() and just use power4_idle().
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Those instructions do nothing on non-threaded processors such
as 970's used on those machines.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Use the generic code, just add the MPIC priority setting,
I don't see any use in mucking around with the decrementer,
as 32-bit will have EE off all along, and 64-bit will be able
to deal with it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Use generic cpu_state, call idle_task_exit() properly, and
remove smp_core99_cpu_die() which isn't useful, the generic
function does the job just fine.
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Remove the last remnants of cpu_enable(), everybody uses the normal
__cpu_up() path now
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Nobody uses it, besides we should always use the normal __cpu_up
path anyways
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This is used by some "soft" hotplug implementations. I needs to
call idle_task_exit() when the CPU is going away, and we remove
the now no-longer needed set_cpu_online() and local_irq_enable()
which are handled by the return to start_secondary
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Various thing are torn down when a CPU is hot-unplugged. That CPU
is expected to go back to start_secondary when re-plugged to re
initialize everything, such as clock sources, maps, ...
Some implementations just return from cpu_die() callback
in the idle loop when the CPU is "re-plugged". This is not enough.
We fix it using a little asm trampoline which resets the stack
and calls back into start_secondary as if we were all fresh from
boot. The trampoline already existed on ppc64, but we add it for
ppc32
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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With some implementations, it is possible that a timer interrupt
occurs every few seconds on an offline CPU. In this case, just
re-arm the decrementer and return immediately
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc32: Pass task_struct to schedule_tail() in ret_from_fork
apbuart: Depend upon sparc.
sparc64: Fix section mis-match errors.
sparc32,leon: Fixed APBUART frequency detection
sparc32, leon: APBUART driver must use archdata to get IRQ number
sparc: Hook up syncfs system call.
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We have to pass task_struct of previous process to function
schedule_tail(). Currently in ret_from_fork previous thread_info
is passed:
switch_to: mov %g6, %g3 /* previous thread_info in g6 */
ret_from_fork: call schedule_tail
mov %g3, %o0 /* previous thread_info is passed */
void schedule_tail(struct task_struct *prev);
Signed-off-by: Tkhai Kirill <tkhai@yandex.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It absolutely needs to be able to get at pdev_archdata members
which are sparc specific.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Fix all of the problems spotted by CONFIG_DEBUG_SECTION_MISMATCH under
arch/sparc during a 64-bit defconfig build.
They fall into two categorites:
1) of_device_id is marked as __initdata, and we can never do this
since these objects sit in the device core data structures way
past boot. So even if a driver will never be reloaded, we have
to keep the device ID table around.
Mark such cases const instead.
2) The bootmem alloc/free handling code in mdesc.c was not fully
marked __init as it should be, thus generating a reference
to free_bootmem_late() (which is __init) from non-__init code.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The UARTs may be located on different APB buses, thus have
different UART clock frequency. The system frequency is not
the same (but often) as the UART frequency, rather the APB bus
frequency that the APBUART is located at has the same
frequency, so this looks at the "freq" property instead.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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See Commit id 1636f8ac2b08410df4766449f7c86b912443cd99 (sparc/of:
Move of_device fields into struct pdev_archdata), this patch
is similar to 19e4875fb21a69fbf620e84769a74d189c69c58d (of/sparc:
fix build regression from of_device changes)
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
appletalk: Fix OOPS in atalk_release().
mlx4: Fixing bad size of event queue buffer
mlx4: Fixing use after free
bonding:typo in comment
sctp: Pass __GFP_NOWARN to hash table allocation attempts.
connector: convert to synchronous netlink message processing
fib: add rtnl locking in ip_fib_net_exit
atm/solos-pci: Don't flap VCs when carrier state changes
atm/solos-pci: Don't include frame pseudo-header on transmit hex-dump
atm/solos-pci: Use VPI.VCI notation uniformly.
Atheros, atl2: Fix mem leaks in error paths of atl2_set_eeprom
netdev: fix mtu check when TSO is enabled
net/usb: Ethernet quirks for the LG-VL600 4G modem
phylib: phy_attach_direct: phy_init_hw can fail, add cleanup
bridge: mcast snooping, fix length check of snooped MLDv1/2
via-ircc: Pass PCI device pointer to dma_{alloc, free}_coherent()
via-ircc: Use pci_{get, set}_drvdata() instead of static pointer variable
net: gre: provide multicast mappings for ipv4 and ipv6
bridge: Fix compilation warning in function br_stp_recalculate_bridge_id()
net: Fix warnings caused by MAX_SKB_FRAGS change.
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Commit 60d9f461a20ba59219fdcdc30cbf8e3a4ad3f625 ("appletalk: remove
the BKL") added a dereference of "sk" before checking for NULL in
atalk_release().
Guard the code block completely, rather than partially, with the
NULL check.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should reduce the number of reserved completion queues from the total
number of entries. Since the queue size is power of two, not reducing the
reserved entries, caused a double queue size, which may lead to allocation
failures in some cases.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of allocation failure, tried to use the promiscuous QP
entry that was previously freed.
Now freeing this entry only in case we will not put it back to the list
of promiscuous entries.
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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use accumulates instead of acumulates.
Signed-off-by: Pan Weiping <panweiping3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like DCCP and other similar pieces of code, there are mechanisms
here to try allocating smaller hash tables if the allocation
fails. So pass in __GFP_NOWARN like the others do instead of
emitting a scary message.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commits 01a16b21 (netlink: kill eff_cap from struct netlink_skb_parms)
and c53fa1ed (netlink: kill loginuid/sessionid/sid members from struct
netlink_skb_parms) removed some members from struct netlink_skb_parms
that depend on the current context, all netlink users are now required
to do synchronous message processing.
connector however queues received messages and processes them in a work
queue, which is not valid anymore. This patch converts connector to do
synchronous message processing by invoking the registered callback handler
directly from the netlink receive function.
In order to avoid invoking the callback with connector locks held, a
reference count is added to struct cn_callback_entry, the reference
is taken when finding a matching callback entry on the device's queue_list
and released after the callback handler has been invoked.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel J Blueman reported a lockdep splat in trie_firstleaf(), caused by
RTNL being not locked before a call to fib_table_flush()
Reported-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't flap VCs when carrier state changes; higher-level protocols
can detect loss of connectivity and act accordingly. This is more
consistent with how other network interfaces work.
We no longer use release_vccs() so we can delete it.
release_vccs() was duplicated from net/atm/common.c; make the
corresponding function exported, since other code duplicates it
and could leverage it if it were public.
Signed-off-by: Philip A. Prindeville <philipp@redfish-solutions.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Omit pkt_hdr preamble when dumping transmitted packet as hex-dump;
we can pull this up because the frame has already been sent, and
dumping it is the last thing we do with it before freeing it.
Also include the size, vpi, and vci in the debug as is done on
receive.
Use "port" consistently instead of "device" intermittently.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use VPI.VCI notation consistently throughout the module. This is the
one remaining place where the VCI is used before the VPI in any output.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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