diff options
| author | Patrice Chotard <patrice.chotard@foss.st.com> | 2022-05-11 10:46:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-09 11:20:54 +0300 |
| commit | a61583744ef63157d52117bb1cf08ad4de455ebf (patch) | |
| tree | 54a147687d62b9267f813dc57d3d993de7156342 /drivers/spi | |
| parent | 0c05c03c51e5c85f7ec4e20840da3f51d38ef315 (diff) | |
| download | linux-a61583744ef63157d52117bb1cf08ad4de455ebf.tar.xz | |
spi: stm32-qspi: Fix wait_cmd timeout in APM mode
[ 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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-stm32-qspi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c index 4f24f6392212..9c58dcd7b324 100644 --- a/drivers/spi/spi-stm32-qspi.c +++ b/drivers/spi/spi-stm32-qspi.c @@ -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); |