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

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[ 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 <[email protected]>
Reported-by: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Patrice Chotard 2022-05-11 09:46:42 +02:00 • committed by Greg Kroah-Hartman
commit 6583d0d6ad
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-stm32-qspi.c
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@ -293,7 +293,8 @@ 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);