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Uwe Kleine-König d970d7fe65 serial/mxs-auart: fix race condition in interrupt handler 
The handler needs to ack the pending events before actually handling them.
Otherwise a new event might come in after it it considered non-pending or
handled and is acked then without being handled. So this event is only
noticed when the next interrupt happens.

Without this patch an i.MX28 based machine running an rt-patched kernel
regularly hangs during boot.

Cc: stable@vger.kernel.org # v2.6.39+
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2013-07-26 16:33:59 -07:00
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accessibility
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acpi ACPI video support fixes for 3.11 2013-07-21 10:11:04 -07:00
amba
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ata Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
atm
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auxdisplay
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base Driver core patches for 3.11-rc2 2013-07-18 12:48:40 -07:00
bcma
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block Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze 2013-07-10 10:16:07 -07:00
bluetooth
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bus
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cdrom
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char Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
clk
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clocksource clocksource+irqchip: delete __cpuinit usage from all related files 2013-07-14 19:36:57 -04:00
connector
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cpufreq Power management and ACPI fixes for 3.11-rc2 2013-07-19 09:59:06 -07:00
cpuidle
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crypto
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dca
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devfreq
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dio
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dma
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edac Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
eisa
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extcon
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firewire
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firmware efivars: check for EFI_RUNTIME_SERVICES 2013-07-11 11:00:31 +01:00
fmc
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gpio
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gpu ACPI video support fixes for 3.11 2013-07-21 10:11:04 -07:00
hid
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hsi
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hv
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hwmon Single patch to staticize a local variable 2013-07-18 11:32:36 -07:00
hwspinlock
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i2c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide 2013-07-10 18:15:41 -07:00
idle
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iio The first round of IIO fixes for the 3.11 cycle. 2013-07-16 22:41:38 -07:00
infiniband Main batch of InfiniBand/RDMA changes for 3.11 merge window: 2013-07-13 12:57:21 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-07-13 18:05:13 -07:00
iommu IOMMU Updates for Linux 3.11 2013-07-10 14:46:40 -07:00
ipack
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irqchip clocksource+irqchip: delete __cpuinit usage from all related files 2013-07-14 19:36:57 -04:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
leds
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lguest
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macintosh
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mailbox
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md md/raid1: fix bio handling problems in process_checks() 2013-07-18 14:18:04 +10:00
media [media] saa7134: Fix unlocked snd_pcm_stop() call 2013-07-15 21:25:14 +02:00
memory
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memstick
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message
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mfd For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00
misc
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mmc MMC highlights for 3.11: 2013-07-10 11:16:00 -07:00
mtd
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net macvtap: do not zerocopy if iov needs more pages than MAX_SKB_FRAGS 2013-07-18 13:04:25 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
ntb
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nubus
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of Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
oprofile drivers: delete __cpuinit usage from all remaining drivers files 2013-07-14 19:36:59 -04:00
parisc
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parport
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pci
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pcmcia
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pinctrl
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platform x86 platform drivers: fix gpio leak 2013-07-10 15:42:51 -04:00
pnp PNP / ACPI: avoid garbage in resource name 2013-07-18 01:38:59 +02:00
power Nothing exciting this time, just assorted fixes and cleanups. 2013-07-10 11:13:00 -07:00
pps
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ps3
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ptp
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pwm
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rapidio Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
regulator For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00
remoteproc Trivial remoteproc fixes by Suman Anna, Wei Yongjun and Thomas Meyer. 2013-07-11 12:35:09 -07:00
reset
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rpmsg
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rtc For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00
s390 s390/zcrypt: Alias for new zcrypt device driver base module 2013-07-19 08:37:39 +02:00
sbus
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scsi SCSI for-linus on 20130713 2013-07-13 17:41:21 -07:00
sfi
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sh
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sn
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spi Merge remote-tracking branch 'spi/fix/xilinx' into spi-linus 2013-07-15 11:46:16 +01:00
ssb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
staging Staging tree fixes for 3.11-rc2 2013-07-20 15:42:38 -07:00
target Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-07-11 12:57:19 -07:00
tc
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thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2013-07-11 12:26:08 -07:00
tty serial/mxs-auart: fix race condition in interrupt handler 2013-07-26 16:33:59 -07:00
uio
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usb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
uwb
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vfio vfio Updates for v3.11 2013-07-10 14:50:08 -07:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-07-11 12:57:19 -07:00
video uvesafb: Really allow mtrr being 0, as documented and warn()ed 2013-07-16 10:24:28 +10:00
virt
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virtio No real surprises. 2013-07-10 14:50:58 -07:00
vlynq
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vme
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w1
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watchdog Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
xen drivers: delete __cpuinit usage from all remaining drivers files 2013-07-14 19:36:59 -04:00
zorro
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Kconfig For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00
Makefile For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00