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spi: stm32: fix pm_runtime_get_sync() error checking

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[ Upstream commit c170a5a3b6944ad8e76547c4a1d9fe81c8f23ac8 ]

The pm_runtime_get_sync() can return either 0 or 1 on success but this
code treats 1 as a failure.

Fixes: db96bf976a4f ("spi: stm32: fixes suspend/resume management")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Alain Volmat <alain.volmat@st.com>
Link: https://lore.kernel.org/r/20200909094304.GA420136@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2020-09-09 12:43:04 +03:00 • committed by Greg Kroah-Hartman
commit 45ffad151b
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-stm32.c
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@ -2054,7 +2054,7 @@ static int stm32_spi_resume(struct device *dev)
}
ret = pm_runtime_get_sync(dev);
if (ret) {
if (ret < 0) {
dev_err(dev, "Unable to power device:%d\n", ret);
return ret;
}