Unverified Commit d83d89ea authored by Patrice Chotard's avatar Patrice Chotard Committed by Mark Brown
Browse files

spi: stm32-qspi: Fix wait_cmd timeout in APM mode 



In APM mode, TCF and TEF flags are not set. To avoid timeout in
stm32_qspi_wait_cmd(), don't check if TCF/TEF are set.

Signed-off-by: default avatarPatrice Chotard <patrice.chotard@foss.st.com>
Reported-by: default avatar <eberhard.stoll@kontron.de>
Link: https://lore.kernel.org/r/20220511074644.558874-2-patrice.chotard@foss.st.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f724c296

drivers/spi/spi-stm32-qspi.c

+2 −1
Original line number Diff line number Diff line
@@ -308,7 +308,8 @@ static int stm32_qspi_wait_cmd(struct stm32_qspi *qspi, 
	if (!op->data.nbytes)

		goto wait_nobusy;



	if (readl_relaxed(qspi->io_base + QSPI_SR) & SR_TCF)

	if ((readl_relaxed(qspi->io_base + QSPI_SR) & SR_TCF) ||

	    qspi->fmode == CCR_FMODE_APM)

		goto out;



	reinit_completion(&qspi->data_completion);