diff options
| author | Peter Chen <peter.chen@freescale.com> | 2014-07-01 13:31:50 +0800 |
|---|---|---|
| committer | Peter Chen <peter.chen@freescale.com> | 2014-07-01 16:10:39 +0800 |
| commit | e07657887e69c601ed3e30163ff182bf3a32eac8 (patch) | |
| tree | 2525736b8240e314dc38949b5f75fea27611a3e3 /drivers/usb | |
| parent | fff13130be8a0f967b8c70457f12df954979fb59 (diff) | |
ENGR00310060-2: usb: chipidea: udc: change dp pullup/pulldown behaviour
It is dedicated for android as well as webcam.
For standard linux, we need to enable dp at udc_bind_to_driver.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index d84aefde1a79..5b947684a2b0 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -85,10 +85,8 @@ static int hw_device_state(struct ci_hdrc *ci, u32 dma) /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); - hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); } else { hw_write(ci, OP_USBINTR, ~0, 0); - hw_write(ci, OP_USBCMD, USBCMD_RS, 0); } return 0; } @@ -1545,11 +1543,13 @@ static int ci_udc_vbus_session(struct usb_gadget *_gadget, int is_active) pm_runtime_get_sync(&_gadget->dev); hw_device_reset(ci, USBMODE_CM_DC); hw_device_state(ci, ci->ep0out->qh.dma); + hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); usb_gadget_set_state(_gadget, USB_STATE_POWERED); } else { if (ci->driver) ci->driver->disconnect(&ci->gadget); hw_device_state(ci, 0); + hw_write(ci, OP_USBCMD, USBCMD_RS, 0); if (ci->platdata->notify_event) ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_STOPPED_EVENT); |