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spi: stm32: use NULL pointer instead of plain integer
authorCezary Gapinski <cezary.gapinski@gmail.com>
Mon, 24 Dec 2018 22:00:28 +0000 (23:00 +0100)
committerMark Brown <broonie@kernel.org>
Mon, 7 Jan 2019 18:23:43 +0000 (18:23 +0000)
commitd4c9134a6c2c85d18b0d58accdf0e9be447f77a3
tree58503a95df0d9951582ad0c6c95af532feb17996
parentd57a984ff7aa1f8aac617c5ccfcd4cca061d2eb3
spi: stm32: use NULL pointer instead of plain integer

Patch fixes sparse warning: Using plain integer as NULL pointer. Replaces
second argument of function devm_clk_get from 0 to NULL.

Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-stm32.c