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spi: fsl: Fix GPIO descriptor support 

[ Upstream commit f106904968 ]

This makes the driver actually support looking up GPIO
descriptor. A coding mistake in the initial descriptor
support patch was that it was failing to turn on the very
feature it was implementing. Mea culpa.

Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Reported-by: Christophe Leroy <christophe.leroy@c-s.fr>
Fixes: 0f0581b24b ("spi: fsl: Convert to use CS GPIO descriptors")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Christophe Leroy <christophe.leroy@c-s.fr>
Link: https://lore.kernel.org/r/20191128083718.39177-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Linus Walleij 2019-11-28 09:37:16 +01:00 committed by Greg Kroah-Hartman
parent efd10b1171
commit 9d646e70f6
1 changed files with 1 additions and 0 deletions
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drivers/spi/spi-fsl-spi.c
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@ -612,6 +612,7 @@ static struct spi_master * fsl_spi_probe(struct device *dev,
master->setup = fsl_spi_setup;
master->cleanup = fsl_spi_cleanup;
master->transfer_one_message = fsl_spi_do_one_msg;
master->use_gpio_descriptors = true;
mpc8xxx_spi = spi_master_get_devdata(master);
mpc8xxx_spi->max_bits_per_word = 32;