AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

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

Browse Source 
[ Upstream commit d83d89ea68b4726700fa87b22db075e4217e691c ]

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: Patrice Chotard <patrice.chotard@foss.st.com>
Reported-by: eberhard.stoll@kontron.de
Link: https://lore.kernel.org/r/20220511074644.558874-2-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Patrice Chotard 2022-05-11 09:46:42 +02:00 committed by Greg Kroah-Hartman
parent 0c05c03c51
commit a61583744e
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/spi/spi-stm32-qspi.c
View File

@ -295,7 +295,8 @@ 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);