master->transfer_one returns positive value is not a error. So set ret to 0 when master->transfer_one returns positive value. Otherwise, I hit "spi_master spi0: failed to transfer one message from queue" error when my transfer_one callback returns 1.
Signed-off-by: Axel Lin <[email protected]> --- drivers/spi/spi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index db421bd..11fefd5 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -609,8 +609,10 @@ static int spi_transfer_one_message(struct spi_master *master, goto out; } - if (ret > 0) + if (ret > 0) { + ret = 0; wait_for_completion(&master->xfer_completion); + } trace_spi_transfer_stop(msg, xfer); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
