diff options
| author | Kishon Vijay Abraham I | 2012-06-26 14:10:32 +0200 |
|---|---|---|
| committer | Felipe Balbi | 2012-07-02 09:40:49 +0200 |
| commit | ded017ee6c7b90f7356bd8488f8af1c10ba90490 (patch) | |
| tree | 1ed1612aa13f24e1aa8480fb497d2a0311fae9cc /drivers/usb/musb/davinci.c | |
| parent | usb: otg: twl: use devres API to allocate resources (diff) | |
| download | kernel-qcow2-linux-ded017ee6c7b90f7356bd8488f8af1c10ba90490.tar.gz kernel-qcow2-linux-ded017ee6c7b90f7356bd8488f8af1c10ba90490.tar.xz kernel-qcow2-linux-ded017ee6c7b90f7356bd8488f8af1c10ba90490.zip | |
usb: phy: fix return value check of usb_get_phy
usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/davinci.c')
| -rw-r--r-- | drivers/usb/musb/davinci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 582268de3fa2..f6492043655e 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -28,6 +28,7 @@ #include <linux/list.h> #include <linux/delay.h> #include <linux/clk.h> +#include <linux/err.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/platform_device.h> @@ -385,7 +386,7 @@ static int davinci_musb_init(struct musb *musb) usb_nop_xceiv_register(); musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); - if (!musb->xceiv) + if (IS_ERR_OR_NULL(musb->xceiv)) goto unregister; musb->mregs += DAVINCI_BASE_OFFSET; |