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(parent: 96c2bbb) | patch
usb: gadget: mv_udc: add missing spinlock in ep enable/disable
authorNeil Zhang <zhangwm@marvell.com>
Wed, 12 Oct 2011 08:49:31 +0000 (16:49 +0800)
committerFelipe Balbi <balbi@ti.com>
Thu, 13 Oct 2011 17:42:03 +0000 (20:42 +0300)
commit27cec2b2f7a4d2394af63a3dc7928975f4c072f4
tree32b1c478bb32af364493528ab93d7de4a9b3398dtree | snapshot (tar.gz zip)
parent96c2bbb09d0742148a305d7afbdf7c5803fd78c1commit | diff
usb: gadget: mv_udc: add missing spinlock in ep enable/disable

The ep enable / disable functions can be called from interrupt
context, and they are not race safe on SMP systems. The critical
data can be modified in more than one routing.
Make them race safe by using IRQ-safe spinlock functions.

Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/gadget/mv_udc_core.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)