[PATCH] i2c: xiic: print error code when xiic_start_xfer fails
marc.ferland at gmail.com
marc.ferland at gmail.com
Mon May 6 08:45:20 PDT 2024
From: Marc Ferland <marc.ferland at sonatest.com>
xiic_start_xfer can fail for different reasons:
- EBUSY: bus is busy or i2c messages still in tx_msg or rx_msg
- ETIMEDOUT: timed-out trying to clear the RX fifo
- EINVAL: wrong clock settings
Printing the error code helps identifying the root cause.
Signed-off-by: Marc Ferland <marc.ferland at sonatest.com>
---
drivers/i2c/busses/i2c-xiic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 71391b590ada..73729f0180a1 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -1165,7 +1165,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
err = xiic_start_xfer(i2c, msgs, num);
if (err < 0) {
- dev_err(adap->dev.parent, "Error xiic_start_xfer\n");
+ dev_err(adap->dev.parent, "Error xiic_start_xfer: %d\n", err);
goto out;
}
--
2.34.1
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