linux/drivers
Sergei Shtylyov cea83241b3 USB: musb_gadget: fix STALL handling
The driver incorrectly cancels the mass-storage device CSW request
(which leads to device reset) due to giving back URB at the head of
endpoint's queue after sending each STALL handshake; stop doing that
and start checking for the queue being non-empty before stalling an
endpoint and disallowing stall in such case in musb_gadget_set_halt()
like the other gadget drivers do.

Moreover, the driver starts Rx request despite of the endpoint being
halted -- fix this by moving the SendStall bit check from musb_g_rx()
to rxstate().  And we also sometimes get into rxstate() with DMA still
active after clearing an endpoint's halt (not clear why), so bail out
in this case, similarly to what txstate() does...

While at it, also do the following changes :

- in musb_gadget_set_halt(), remove pointless Tx FIFO flushing (the
  driver does not allow stalling with non-empty Tx FIFO anyway);

- in rxstate(), stop pointlessly zeroing the 'csr' variable;

- in musb_gadget_set_halt(), move the 'done' label to a more proper
  place;

- in musb_g_rx(), eliminate the 'done' label completely...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-11-30 16:43:15 -08:00
..
accessibility
acpi Merge branch 'thinkpad-2.6.32' into release 2009-11-25 00:43:08 -05:00
amba
ata sata_fsl: Split hard and soft reset 2009-11-19 18:18:17 -05:00
atm net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
auxdisplay
base PM: fix irq enable/disable in runtime PM code 2009-11-29 16:51:27 +01:00
block cciss: make device attrs static 2009-11-13 08:47:53 +01:00
bluetooth fix memory leak in fixed btusb_close 2009-11-14 12:57:08 -08:00
cdrom sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
char Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-11-30 13:59:51 -08:00
clocksource
connector connector: Fix incompatible pointer type warning 2009-10-06 01:39:51 -07:00
cpufreq [CPUFREQ] Fix stale cpufreq_cpu_governor pointer 2009-11-17 23:15:04 -05:00
cpuidle cpuidle: always return with interrupts enabled 2009-10-29 07:39:31 -07:00
crypto
dca
dio
dma shdma: fix initialization error handling 2009-11-22 12:10:10 -07:00
edac amd64_edac: fix CECCs reporting 2009-11-04 14:04:06 +01:00
eisa
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-11-30 13:58:23 -08:00
firmware iSCSI/iBFT: use proper address translation 2009-10-05 12:05:40 -07:00
gpio gpiolib: fix device_create() result check 2009-11-12 07:26:00 -08:00
gpu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel 2009-11-30 13:57:19 -08:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2009-10-13 10:10:33 -07:00
hwmon hwmon: (adt7475) Fix sysfs file names 2009-11-16 12:45:40 +01:00
i2c i2c: i2c-pnx: Added missing mach/i2c.h and linux/io.h header file includes 2009-11-20 00:25:42 +00:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6 2009-11-30 14:02:34 -08:00
idle
ieee1394 headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
ieee802154 ieee802154: dont leak skbs in ieee802154_fake_xmit() 2009-11-19 13:16:21 -08:00
infiniband headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
input Input: lifebook - fix settings for CF-72 2009-11-16 22:27:12 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-18 14:54:45 -08:00
leds leds-gpio: fix possible crash on OF device unbinding 2009-11-16 11:50:42 +00:00
lguest headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
macintosh powerpc/pmac: Fix issues with sleep on some powerbooks 2009-10-14 16:58:35 +11:00
mca
md md/raid5: Allow dirty-degraded arrays to be assembled when only party is degraded. 2009-11-13 17:47:00 +11:00
media V4L/DVB (13530): Fix wrong parameter order in memset 2009-11-27 18:50:43 -02:00
memstick memstick: move dev_dbg 2009-09-24 07:21:05 -07:00
message headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
mfd mfd: Do not dereference null pointer in twl4030 error path 2009-10-27 00:20:33 +01:00
misc sgi-gru: decrapfiy options_write() function 2009-11-05 10:48:30 -08:00
mmc mmci-omap: free irq resource 2009-11-12 07:25:57 -08:00
mtd ARM: Fix warning in sa1100-flash.c 2009-11-16 16:13:35 +00:00
net b44: Fix wedge when using netconsole. 2009-11-30 00:13:28 -08:00
nubus
of of: Remove nested function 2009-10-15 09:58:27 -06:00
oprofile oprofile: warn on freeing event buffer too early 2009-10-09 21:32:05 +02:00
parisc
parport sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
pci Fix handling of the HP/Acer 'DMAR at zero' BIOS error for machines with <4GiB RAM. 2009-11-19 13:42:02 -08:00
pcmcia PM / yenta: Split resume into early and late parts (rev. 4) 2009-11-03 10:54:58 +01:00
platform Merge branch 'misc-2.6.32' into release 2009-11-25 01:01:29 -05:00
pnp ACPI: remove acpi_device.flags.hardware_id 2009-09-25 15:09:48 -04:00
power
pps pps: events reporting fix up 2009-11-12 07:26:01 -08:00
ps3
rapidio
regulator dereferencing freed memory regulator_fixed_voltage_remove() 2009-11-16 12:40:25 +00:00
rtc ARM: 5787/1: U300 COH 901 331 fixes 2009-11-16 16:15:49 +00:00
s390 [S390] sclp: undo quiesce handler override on resume 2009-11-13 15:45:03 +01:00
sbus
scsi [SCSI] bfa: declare MODULE_FIRMWARE 2009-11-11 12:21:06 -05:00
serial Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2009-11-30 14:02:23 -08:00
sfi SFI: remove __init from sfi_verify_table 2009-10-03 01:16:12 -04:00
sh
sn
spi spi: error status should be negative 2009-11-17 17:40:32 -08:00
ssb ssb-pcmcia: Fix 32bit register access in early bus scanning 2009-11-10 16:21:12 -05:00
staging Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2009-11-30 13:58:01 -08:00
tc
telephony
thermal acpi: thermal: Add EOL to the trip_point_N_type strings 2009-11-05 17:33:24 -05:00
uio uio: pm_runtime_disable is needed if failed 2009-11-13 11:36:00 +09:00
usb USB: musb_gadget: fix STALL handling 2009-11-30 16:43:15 -08:00
uwb headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
video drivers/video/da8xx-fb.c: fix error return 2009-11-17 17:40:33 -08:00
virtio virtio: order used ring after used index read 2009-10-29 08:50:37 +10:30
vlynq drivers/vlynq/vlynq.c: fix resource size off by 1 error 2009-09-24 07:21:05 -07:00
w1 ds2482: Discard obsolete detect method 2009-10-04 22:53:41 +02:00
watchdog [WATCHDOG] SBC-FITPC2 watchdog driver registration fix 2009-11-10 15:06:52 +00:00
xen headers: remove sched.h from poll.h 2009-10-04 15:05:10 -07:00
zorro
Kconfig
Makefile Merge git://git.infradead.org/mtd-2.6 2009-09-23 10:07:49 -07:00