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Milo is an old boot loader, which is no longer relevant for these
platforms. References to it are misleading. Move the code out
of poke_milo(), and remove references to milo in comments.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We don't need this small function as well as scu_get_core_count()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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scu_get_core_count() never returns zero cores, so we don't need to
check and correct if ncores is zero.
Tegra was missing the check against NR_CPUS, leading to a potential
bitfield overflow if this becomes the case.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Ensure that the number of CPUs is sanity checked before setting
the number of possible CPUs. This avoids any chance of overflowing
the cpu_possible bitmap.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Wait for CPUs to indicate that they've stopped, after sending the
stop IPI, rather than blindly continuing on and hoping that they've
stopped in time. Print a warning if we fail to stop the other CPUs.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use r0,r3-r6 rather than r0,r3,r4,r6,r7, which makes it easier to
understand which registers can be modified. Also document which
registers hold values which must be preserved.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The IPI and local timer interrupts weren't being properly accounted
for in /proc/stat. Collect them from the irq_stat structure, and
return their sum.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This separates out the individual IPI interrupt counts from the
total IPI count, which allows better visibility of what IPIs are
being used for.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Tested on a Colibri Evaluation Board Rev.2.1 with a Colibri PXA310 module.
Signed-off-by: Bjorn Forsman <bjorn.forsman@gmail.com>
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Rename colibri-pxa270-evalboard to colibri-evalboard as this board is used with
all Colibri modules.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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This change -- pushing the MFP configuration back into Module files -- is
necessary because some evalboards can be used with multiple modules, where MFP
differs from module to module. Therefore MFP isn't board-specific, but
module-specific and the module should preconfigure itself for the board.
(And there is also the C preprocesor limitation and conflicting #define-s)
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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This driver also contains structures to eventually support PXA320. This is
planned to be added in a later patch.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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On PXA320, there's only one PCMCIA slot available. Check for cases where the
user would want to register multiple. Also, rework failpath.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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iwmmxt is used in XScale, XScale3, Mohawk and PJ4 core. But the instructions
of accessing CP0 and CP1 is changed in PJ4. Append more files to support
iwmmxt in PJ4 core.
Signed-off-by: Zhou Zhu <zzhu3@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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As per x86, align the initial column according to how many IRQs we
have. Also, provide an english explaination for the 'LOC:' and
'IPI:' lines.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the ipi_count into irq_stat, which allows the ipi_data structure
to be entirely removed.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Provide __inc_irq_stat() and __get_irq_stat() to increment and
read the irq stat counters.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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send_ipi_message() does nothing except call smp_cross_call(). As
this is a static function, nothing external to this file calls it,
so we can easily clean up this now unnecessary indirection.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The usage help in the comments
- refers to the wrong script name,
- doesn't mention that $srctree must be set.
Hence correct the script name, and derive the source tree path from the script
path, so we no longer need to rely on $srctree being set by the caller.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This patch documents the recent input-mt interface changes.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Signed-off-by: Vincent Guittot <vincent.guittot@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
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This also converts tc3589x to the new irq API.
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Manaul revert of 0cdab21f9a1fca50dd27e488839f5a6578e333b2, just to
remove the call to disable the clock gatings and powerctx before
suspend.
Peter Clifton bisected a suspend failure on his gme45 and found this to
be the culprit. As this was intended to be a fix for a similar suspend
failure for Ironlake (it didn't work), undoing this patch should have no
other side-effects.
Reported-and-tested-by: Peter Clifton <pcjc2@cam.ac.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The relative-to-general state default is useless as it means having to
rewrite the streaming kernels for each batch. Relative-to-surface is
more useful, as that stream usually needs to be rewritten for each
batch. And absolute addressing mode, vital if you start streaming
state, is also only available by adjusting the register...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Add Interrupt Collector (ICOLL) support for MXS-based.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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- The mxs wdog is implemented in RTC block.
- There is a generic software reset routine for most modules on mxs.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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BugLink: http://launchpad.net/bugs/580006
SKU turns off auto-mute for these machines, so ignore the SKU.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Looking at the uevent stream for input devices, all properties are on
the form "A=B" except the bitmap values, which are on the form
"A==B". This bug has been around at least since 2007, and the input
uevent code has been untouched since. The recent addition of device
properties suggests this is a good time for a remedy.
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Today, userspace sets up an input device based on the data it emits.
This is not always enough; a tablet and a touchscreen may emit exactly
the same data, for instance, but the former should be set up with a
pointer whereas the latter does not need to. Recently, a new type of
touchpad has emerged where the buttons are under the pad, which
changes logic without changing the emitted data. This patch introduces
a new ioctl, EVIOCGPROP, which enables user access to a set of device
properties useful during setup. The properties are given as a bitmap
in the same fashion as the event types, and are also made available
via sysfs, uevent and /proc/bus/input/devices.
Acked-by: Ping Cheng <pingc@wacom.com>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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These macros never be used, so remove them.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 6e07ebd84 (drivers/net: remove unnecessary
flush_scheduled_work() calls) incorrectly removed the flush call
without replacing it with the appropriate work specific operation.
Fix it by flushing vdev->reset_task explicitly.
Pointed out by Jon Mason.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jon Mason <jon.mason@exar.com>
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In dev_queue_xmit_nit(), we have to clone skbs as we need to mangle skbs,
however, we don't need to clone skbs for all the packet_types.
Except for the first packet_type, we increase skb->users instead of
skb_clone().
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ri_tasklet(), we run from softirq, so can directly handle packet
through netif_receive_skb() instead of netif_rx().
There is no risk of recursion.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch modifies IPsec6 to fragment IPv6 packets that are
locally generated as needed.
This version of the patch only fragments in tunnel mode, so that fragment
headers will not be obscured by ESP in transport mode.
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using %pV reduces the number of printk calls and eliminates any
possible message interleaving from other printk calls.
In function __ext4_grp_locked_error also added KERN_CONT to some
printks.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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When nanosecond timestamp resolution isn't supported on an ext4
partition (inode size = 128), stat() appears to be returning
uninitialized garbage in the nanosecond component of timestamps.
EXT4_INODE_GET_XTIME should zero out tv_nsec when EXT4_FITS_IN_INODE
evaluates to false.
Reported-by: Jordan Russell <jr-list-2010@quo.to>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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This function gets called a lot for large directories, and the answer
is almost always "no, no, there's no problem". This means using
unlikely() is a good thing.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Use advantage of kmem_cache_zalloc() to remove a memset() call in
ext4_init_io_end() and save a few bytes.
Before:
[jj@dragon linux-2.6]$ size fs/ext4/page-io.o
text data bss dec hex filename
3016 0 624 3640 e38 fs/ext4/page-io.o
After:
[jj@dragon linux-2.6]$ size fs/ext4/page-io.o
text data bss dec hex filename
3000 0 624 3624 e28 fs/ext4/page-io.o
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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IS_ERR() already implies unlikely(), so it can be omitted here.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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