[PATCH v1] crypto: atmel: Use dev_err_probe instead of dev_err

[王明-软件底层技术部]

It is possible that dma_request_chan will return EPROBE_DEFER,
which means that dd->dev is not ready yet. In this case,
dev_err(dd->dev), there will be no output. This patch fixes the bug.

Signed-off-by: Wang Ming <machel at vivo.com>
---
 drivers/crypto/atmel-sha.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 6bef634d3c86..5682957f805d 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2499,8 +2499,8 @@ static int atmel_sha_dma_init(struct atmel_sha_dev *dd)
 {
 	dd->dma_lch_in.chan = dma_request_chan(dd->dev, "tx");
 	if (IS_ERR(dd->dma_lch_in.chan)) {
-		dev_err(dd->dev, "DMA channel is not available\n");
-		return PTR_ERR(dd->dma_lch_in.chan);
+		return dev_err_probe(dd->dev, PTR_ERR(dd->dma_lch_in.chan),
+							"DMA channel is not available\n");
 	}
 
 	dd->dma_lch_in.dma_conf.dst_addr = dd->phys_base +
-- 
2.25.1