[PATCH 3/3] spi: stm32-qspi: Remove SR_BUSY bit check before sending command

patrice.chotard at foss.st.com patrice.chotard at foss.st.com
Wed May 11 00:46:44 PDT 2022


From: Patrice Chotard <patrice.chotard at foss.st.com>

Waiting for SR_BUSY bit when receiving a new command is not needed.
SR_BUSY bit is already managed in the previous command treatment.

Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
 drivers/spi/spi-stm32-qspi.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
index 1660ca5bd1c5..c0239e405c39 100644
--- a/drivers/spi/spi-stm32-qspi.c
+++ b/drivers/spi/spi-stm32-qspi.c
@@ -369,10 +369,6 @@ static int stm32_qspi_send(struct spi_mem *mem, const struct spi_mem_op *op)
 		op->dummy.buswidth, op->data.buswidth,
 		op->addr.val, op->data.nbytes);
 
-	err = stm32_qspi_wait_nobusy(qspi);
-	if (err)
-		goto abort;
-
 	cr = readl_relaxed(qspi->io_base + QSPI_CR);
 	cr &= ~CR_PRESC_MASK & ~CR_FSEL;
 	cr |= FIELD_PREP(CR_PRESC_MASK, flash->presc);
-- 
2.25.1




More information about the linux-arm-kernel mailing list