diff options
author | Neil Zhang <zhangwm@marvell.com> | 2011-10-12 04:49:35 -0400 |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2011-10-13 13:42:06 -0400 |
commit | 046b07ac0458fba8c5ca8d9ee04658c02066ee03 (patch) | |
tree | ee85a5f7c30e3dc711732cffe2ee8fbc3f9c2000 /drivers/usb | |
parent | 366162245e619d59c9d615774ab3aa639deb7725 (diff) |
usb: gadget: mv_udc: add shutdown function for it
put the device in idle when shutdown.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/gadget/mv_udc_core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index f8dc5b3dd796..ffa6f3097a64 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c | |||
@@ -2206,9 +2206,21 @@ static const struct dev_pm_ops mv_udc_pm_ops = { | |||
2206 | }; | 2206 | }; |
2207 | #endif | 2207 | #endif |
2208 | 2208 | ||
2209 | static void mv_udc_shutdown(struct platform_device *dev) | ||
2210 | { | ||
2211 | struct mv_udc *udc = the_controller; | ||
2212 | u32 mode; | ||
2213 | |||
2214 | /* reset controller mode to IDLE */ | ||
2215 | mode = readl(&udc->op_regs->usbmode); | ||
2216 | mode &= ~3; | ||
2217 | writel(mode, &udc->op_regs->usbmode); | ||
2218 | } | ||
2219 | |||
2209 | static struct platform_driver udc_driver = { | 2220 | static struct platform_driver udc_driver = { |
2210 | .probe = mv_udc_probe, | 2221 | .probe = mv_udc_probe, |
2211 | .remove = __exit_p(mv_udc_remove), | 2222 | .remove = __exit_p(mv_udc_remove), |
2223 | .shutdown = mv_udc_shutdown, | ||
2212 | .driver = { | 2224 | .driver = { |
2213 | .owner = THIS_MODULE, | 2225 | .owner = THIS_MODULE, |
2214 | .name = "pxa-u2o", | 2226 | .name = "pxa-u2o", |