Alexandru Tachici ee36bb4713 spi: spi-bcm2835: Fix deadlock
[ Upstream commit c45c1e82bba130db4f19d9dbc1deefcf4ea994ed ]

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: f8043872e796 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-28 14:35:40 +02:00
..
2020-10-24 10:33:08 -07:00
2021-07-28 14:35:40 +02:00
2020-10-08 23:00:06 +01:00
2020-10-08 23:00:06 +01:00
2020-07-17 16:38:47 +01:00
2021-07-28 14:35:36 +02:00
2020-10-24 10:33:08 -07:00