[PATCH] firmware: mediatek: Use dev_err_probe() to simplify code

[Yuan Can]

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.

Signed-off-by: Yuan Can <yuancan at huawei.com>
---
 drivers/firmware/mtk-adsp-ipc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/mtk-adsp-ipc.c b/drivers/firmware/mtk-adsp-ipc.c
index 3c071f814455..c57880949521 100644
--- a/drivers/firmware/mtk-adsp-ipc.c
+++ b/drivers/firmware/mtk-adsp-ipc.c
@@ -96,10 +96,9 @@ static int mtk_adsp_ipc_probe(struct platform_device *pdev)
 		adsp_chan->idx = i;
 		adsp_chan->ch = mbox_request_channel_byname(cl, adsp_mbox_ch_names[i]);
 		if (IS_ERR(adsp_chan->ch)) {
-			ret = PTR_ERR(adsp_chan->ch);
-			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "Failed to request mbox chan %s ret %d\n",
-					adsp_mbox_ch_names[i], ret);
+			ret = dev_err_probe(dev, PTR_ERR(adsp_chan->ch),
+					    "Failed to request mbox chan %s\n",
+					    adsp_mbox_ch_names[i]);
 
 			for (j = 0; j < i; j++) {
 				adsp_chan = &adsp_ipc->chans[j];
-- 
2.17.1