Nicolas Boichat c15f6ed3a1 spi: bitbang: Replace spinlock by mutex ... chipselect (in the case of spi-gpio: spi_gpio_chipselect, which calls gpiod_set_raw_value_cansleep) can sleep, so we should not hold a spinlock while calling it from spi_bitbang_setup. This issue was introduced by this commit, which converted spi-gpio to cansleep variants: d9dda5a191 "spi: spi-gpio: Use 'cansleep' variants to access GPIO" Replacing the lock variable by a mutex fixes the issue: This is safe as all instances where the lock is used are called from contexts that can sleep. Finally, update spi-ppc4xx and and spi-s3c24xx to use mutex functions, as they directly hold the lock for similar purpose. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>		2015-09-17 12:13:40 +01:00
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ad7877.h
ad7879.h
adi_spi3.h
ads7846.h
at73c213.h
at86rf230.h
cc2520.h
corgi_lcd.h
ds1305.h
eeprom.h
flash.h
ifx_modem.h
l4f00242t03.h
libertas_spi.h
lms283gf05.h
max7301.h
mc33880.h
mcp23s08.h
mmc_spi.h
mxs-spi.h
pxa2xx_spi.h
rspi.h
s3c24xx.h
sh_hspi.h
sh_msiof.h
spi.h	spi: expose spi_master and spi_device statistics via sysfs	2015-07-07 13:33:23 +01:00
spi_bitbang.h	spi: bitbang: Replace spinlock by mutex	2015-09-17 12:13:40 +01:00
spi_gpio.h
spi_oc_tiny.h
tdo24m.h
tle62x0.h
tsc2005.h
xilinx_spi.h