tree 32b1c478bb32af364493528ab93d7de4a9b3398d
parent 96c2bbb09d0742148a305d7afbdf7c5803fd78c1
author Neil Zhang <zhangwm@marvell.com> 1318409371 +0800
committer Felipe Balbi <balbi@ti.com> 1318527723 +0300

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>