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Carlos Sanchez 6c1ead5e77 serial: MPSC: Remove race between Rx stop & restart 
The patch in commit ID f7232056bf stops (aborts)
the MPSC's receive engine just before restarting it.  Unfortunately, it
doesn't wait for the abort to complete before restarting it which creates a
race between the abort and the restart.  If the restart occurs first, the
in-progress abort stops it again and the rx engine remains stopped.

Instead, do the abort when the SDMA engine is being stopped.  Make sure to
wait for the abort to complete before continuing.

Signed-off-by: Carlos Sanchez <carlos.sanchez@gecoinc.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-07-31 15:39:41 -07:00
..
acorn/char Remove the arm26 port 2007-07-31 15:39:39 -07:00
acpi ACPI: restore CONFIG_ACPI_SLEEP 2007-07-29 16:53:59 -07:00
amba
…
ata Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 2007-07-24 15:58:51 -07:00
atm [ATM]: nicstar needs virt_to_bus 2007-07-18 02:13:42 -07:00
auxdisplay Use menuconfig objects II - auxdisplay 2007-07-16 09:05:40 -07:00
base CPU online file permission 2007-07-31 15:39:39 -07:00
block Make lguest compile with CONFIG_BLOCK=n and CONFIG_NET=n 2007-07-29 17:37:45 -07:00
bluetooth
…
cdrom [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
char synclink_gt: fix transmit DMA stall 2007-07-31 15:39:37 -07:00
clocksource x86_64: fix typo in acpi_pm.c 2007-07-21 18:37:12 -07:00
connector Use menuconfig objects: connector 2007-07-16 09:05:40 -07:00
cpufreq [CPUFREQ] Restore previously used governor on a hot-replugged CPU 2007-07-13 01:29:51 -04:00
crypto Use menuconfig objects: crypto hw 2007-07-16 09:05:40 -07:00
dio
…
dma dma-mapping: prevent dma dependent code from linking on !HAS_DMA archs 2007-07-16 09:05:45 -07:00
edac drivers/edac: fix pasemi kconfig depends 2007-07-26 11:35:18 -07:00
eisa
…
fc4
…
firewire Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2007-07-22 11:36:49 -07:00
firmware edd: switch to pci_get based API 2007-07-16 09:05:42 -07:00
hid USB: add reset_resume method 2007-07-12 16:34:30 -07:00
hwmon Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6 2007-07-19 14:24:57 -07:00
i2c Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION 2007-07-29 16:45:38 -07:00
ide Remove the arm26 port 2007-07-31 15:39:39 -07:00
ieee1394 raw1394 __user annotation 2007-07-26 11:11:57 -07:00
infiniband in-string typos of "error" 2007-07-31 15:39:40 -07:00
input Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 2007-07-28 19:33:04 -07:00
isdn Use menuconfig objects: ISDN/Gigaset 2007-07-21 17:49:17 -07:00
kvm KVM: disable writeback for 0x0f 0x01 instructions. 2007-07-25 14:31:27 +03:00
leds leds: Convert from struct class_device to struct device 2007-07-16 01:15:51 +01:00
lguest Make lguest compile with CONFIG_BLOCK=n and CONFIG_NET=n 2007-07-29 17:37:45 -07:00
macintosh [POWERPC] Clean up duplicate includes in drivers/macintosh/ 2007-07-22 21:31:00 +10:00
mca
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md md: handle writes to broken raid10 arrays gracefully 2007-07-31 15:39:38 -07:00
media V4L/DVB (5939): dvb-pll: make struct dvb_pll_fcv1236d static 2007-07-30 16:26:37 -03:00
message Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-07-29 17:22:03 -07:00
mfd some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
misc Pull auto-load-modules into release branch 2007-07-25 01:36:53 -04:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2007-07-26 14:00:56 -07:00
mtd sun userflash is PCI-dependent 2007-07-26 11:11:56 -07:00
net in-string typos of "error" 2007-07-31 15:39:40 -07:00
nubus some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
of Create drivers/of/platform.c 2007-07-20 14:25:51 +10:00
oprofile [CELL] oprofile: add support to OProfile for profiling CELL BE SPUs 2007-07-20 21:42:24 +02:00
parisc serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
parport parport_pc locking fix 2007-07-31 15:39:37 -07:00
pci kernel-doc fixes for PCI and drivers/base/ 2007-07-30 14:25:12 -07:00
pcmcia pcmcia: give socket time to power down 2007-07-31 15:39:38 -07:00
pnp ACPI: restore CONFIG_ACPI_SLEEP 2007-07-29 16:53:59 -07:00
power Merge git://git.infradead.org/battery-2.6 2007-07-15 16:56:12 -07:00
ps3
…
rapidio some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
rtc Remove the arm26 port 2007-07-31 15:39:39 -07:00
s390 [S390] Fix sclp_vt220 error handling. 2007-07-27 12:29:20 +02:00
sbus [SPARC64]: Fix conflicts in SBUS/PCI/EBUS/ISA DMA handling. 2007-07-30 00:27:34 -07:00
scsi Remove the arm26 port 2007-07-31 15:39:39 -07:00
serial serial: MPSC: Remove race between Rx stop & restart 2007-07-31 15:39:41 -07:00
sh some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
sn some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
spi spi_mpc83xx: support loopback mode 2007-07-31 15:39:40 -07:00
tc zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00
telephony some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
uio UIO: Hilscher CIF card driver 2007-07-18 15:57:16 -07:00
usb USB: "sparse" cleanups for usb gadgets 2007-07-30 13:27:47 -07:00
video remove tx3912fb 2007-07-31 15:39:41 -07:00
w1 drivers/ misc __iomem annotations 2007-07-26 11:11:57 -07:00
xen xenbus_xs.c: fix a use-after-free 2007-07-26 11:35:17 -07:00
zorro sysfs: add parameter "struct bin_attribute *" in .read/.write methods for sysfs binary attributes 2007-07-11 16:09:09 -07:00
Kconfig Begin to consolidate of_device.c 2007-07-20 13:39:59 +10:00
Makefile Start split out of common open firmware code 2007-07-20 13:28:41 +10:00