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(parent: 2c970df) | patch
spi: spi-bcm2835: Fix deadlock
authorAlexandru Tachici <alexandru.tachici@analog.com>
Fri, 16 Jul 2021 21:02:45 +0000 (00:02 +0300)
committerMark Brown <broonie@kernel.org>
Tue, 20 Jul 2021 12:34:05 +0000 (13:34 +0100)
commit0b92eeba0886b8743a9f128cd8bf9c080023bc49
treedd15941be1c4c27dc22ae6b6721affdadb590c85tree | snapshot
parent2c970dfd264d4a6b26a654d8879a078279f61487commit | diff
spi: spi-bcm2835: Fix deadlock

The bcm2835_spi_transfer_one function can create a deadlock
if it is called while another thread already has the
CCF lock.

Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Fixes: ac1827c6b683 ("spi: add driver for BCM2835")
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210716210245.13240-2-alexandru.tachici@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-bcm2835.c diff | blob | history
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