Messages in this thread Patch in this message | | | From | Christophe JAILLET <> | Subject | [PATCH] spi: synquacer: Fix timeout handling in synquacer_spi_transfer_one() | Date | Wed, 15 Feb 2023 14:01:28 +0100 |
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wait_for_completion_timeout() never returns a <0 value. It returns either on timeout or a positive value (at least 1, or number of jiffies left till timeout)
So, fix the error handling path and return -ETIMEDOUT should a timeout occur.
Fixes: b0823ee35cf9 ("spi: Add spi driver for Socionext SynQuacer platform") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- Compile tested only. --- drivers/spi/spi-synquacer.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c index 47cbe73137c2..dc188f9202c9 100644 --- a/drivers/spi/spi-synquacer.c +++ b/drivers/spi/spi-synquacer.c @@ -472,10 +472,9 @@ static int synquacer_spi_transfer_one(struct spi_master *master, read_fifo(sspi); } - if (status < 0) { - dev_err(sspi->dev, "failed to transfer. status: 0x%x\n", - status); - return status; + if (status == 0) { + dev_err(sspi->dev, "failed to transfer. Timeout.\n"); + return -ETIMEDOUT; } return 0; -- 2.34.1
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