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spi: use gpio[d]_set_value_cansleep for setting chipselect GPIO
authorFelix Fietkau <nbd@nbd.name>
Sat, 9 Feb 2019 23:38:25 +0000 (00:38 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 12 Feb 2019 16:41:11 +0000 (16:41 +0000)
commit28f7604f48c1cbb69e9c45bc53c84b6ad1f7fa77
tree4f80c719e99aeeb9dc43ecac36f8026001b8521d
parent9b4f84212f04d015b7ff12e9e425ad9ac7e517da
spi: use gpio[d]_set_value_cansleep for setting chipselect GPIO

Sleeping is safe inside spi_transfer_one_message, and some
GPIO chips are running on slow busses (such as I2C GPIO
expanders) and need to sleep for setting values.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi.c