diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-02-13 10:33:13 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-02-13 10:38:56 +0100 |
| commit | 1a3315ad7d214a3a6fd1e1daf14f800df6be37cd (patch) | |
| tree | f9744f649a395b84d60c6df23f69554d264ba879 /drivers/usb/gadget | |
| parent | 4f2f9150b748f278a02c7874e9fc3fd026082581 (diff) | |
| download | barebox-1a3315ad7d214a3a6fd1e1daf14f800df6be37cd.tar.gz barebox-1a3315ad7d214a3a6fd1e1daf14f800df6be37cd.tar.xz | |
USB gadget: at91: return error when no udc is registered
When no udc is registered it is clearly an error when usb_gadget_poll
is called. Let the upper layers know that.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 6eeef7d8c7..8ef1ad085d 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1327,7 +1327,7 @@ int usb_gadget_poll(void) u32 value; if (!udc->udp_baseaddr) - return 0; + return -ENODEV; value = gpio_get_value(udc->board.vbus_pin); value ^= udc->board.vbus_active_low; |