| Message ID | 20220926140348.2028052-4-yangyingliang@huawei.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | usb: musb: Switch to use dev_err_probe() helper | expand |
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index c963cb8565f2..9589243e8951 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -718,10 +718,8 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) dc = dma_request_chan(dev->parent, str); if (IS_ERR(dc)) { - ret = PTR_ERR(dc); - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to request %s: %d.\n", - str, ret); + ret = dev_err_probe(dev, PTR_ERR(dc), + "Failed to request %s.\n", str); goto err; }
In the probe path, dev_err() can be replaced with dev_err_probe() which will check if error code is -EPROBE_DEFER and prints the error name. It also sets the defer probe reason which can be checked later through debugfs. It's more simple in error path. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/usb/musb/musb_cppi41.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)