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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>
This commit is contained in:
Cezary Gapinski 2018-12-24 23:00:28 +01:00 committed by Mark Brown
parent d57a984ff7
commit d4c9134a6c
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1 changed files with 1 additions and 1 deletions
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drivers/spi/spi-stm32.c
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@ -1100,7 +1100,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
goto err_master_put;
}
spi->clk = devm_clk_get(&pdev->dev, 0);
spi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(spi->clk)) {
ret = PTR_ERR(spi->clk);
dev_err(&pdev->dev, "clk get failed: %d\n", ret);