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@xxxxxxxxxx>
---
drivers/usb/musb/musb_cppi41.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
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;
}
--
2.25.1
