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Subject[PATCH v4] ata: pata_arasan_cf: Use dev_err_probe() instead dev_err() in data_xfer()
Date
It is possible for dma_request_chan() to return EPROBE_DEFER, which means
acdev->host->dev is not ready yet.
At this point dev_err() will have no output.

Signed-off-by: Minjie Du <duminjie@vivo.com>
---
V1 - V4:
Fix code format.
---
drivers/ata/pata_arasan_cf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 6ab294322e79..b32d47112c0a 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -529,7 +529,8 @@ static void data_xfer(struct work_struct *work)
/* dma_request_channel may sleep, so calling from process context */
acdev->dma_chan = dma_request_chan(acdev->host->dev, "data");
if (IS_ERR(acdev->dma_chan)) {
- dev_err(acdev->host->dev, "Unable to get dma_chan\n");
+ dev_err_probe(acdev->host->dev, PTR_ERR(acdev->dma_chan),
+ "Unable to get dma_chan\n");
acdev->dma_chan = NULL;
goto chan_request_fail;
}
--
2.39.0
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