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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Quanyang Wang When Ctrl+C occurs during the process of zynqmp_qspi_exec_op, the function wait_for_completion_interruptible_timeout will return a non-zero value -ERESTARTSYS immediately. This will disrupt the SPI memory operation because the data transmitting may begin before the command or address transmitting completes. Use wait_for_completion_timeout to prevent the process from being interruptible. This patch fixes the error as below: root@xilinx-zynqmp:~# flash_erase /dev/mtd3 0 0 Erasing 4 Kibyte @ 3d000 -- 4 % complete (Press Ctrl+C) [ 169.581911] zynqmp-qspi ff0f0000.spi: Chip select timed out [ 170.585907] zynqmp-qspi ff0f0000.spi: Chip select timed out [ 171.589910] zynqmp-qspi ff0f0000.spi: Chip select timed out [ 172.593910] zynqmp-qspi ff0f0000.spi: Chip select timed out [ 173.597907] zynqmp-qspi ff0f0000.spi: Chip select timed out [ 173.603480] spi-nor spi0.0: Erase operation failed. [ 173.608368] spi-nor spi0.0: Attempted to modify a protected sector. Fixes: 1c26372e5aa9 ("spi: spi-zynqmp-gqspi: Update driver to use spi-mem framework") Signed-off-by: Quanyang Wang Reviewed-by: Amit Kumar Mahapatra --- drivers/spi/spi-zynqmp-gqspi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index c8fa6ee18ae7..d49ab6575553 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -973,7 +973,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem, zynqmp_gqspi_write(xqspi, GQSPI_IER_OFST, GQSPI_IER_GENFIFOEMPTY_MASK | GQSPI_IER_TXNOT_FULL_MASK); - if (!wait_for_completion_interruptible_timeout + if (!wait_for_completion_timeout (&xqspi->data_completion, msecs_to_jiffies(1000))) { err = -ETIMEDOUT; kfree(tmpbuf); @@ -1001,7 +1001,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem, GQSPI_IER_TXEMPTY_MASK | GQSPI_IER_GENFIFOEMPTY_MASK | GQSPI_IER_TXNOT_FULL_MASK); - if (!wait_for_completion_interruptible_timeout + if (!wait_for_completion_timeout (&xqspi->data_completion, msecs_to_jiffies(1000))) { err = -ETIMEDOUT; goto return_err; @@ -1076,7 +1076,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem, GQSPI_IER_RXEMPTY_MASK); } } - if (!wait_for_completion_interruptible_timeout + if (!wait_for_completion_timeout (&xqspi->data_completion, msecs_to_jiffies(1000))) err = -ETIMEDOUT; } -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel