spi: stm32: fix pm_runtime_get_sync() error checking

[ Upstream commit c170a5a ] The pm_runtime_get_sync() can return either 0 or 1 on success but this code treats 1 as a failure. Fixes: db96bf9 ("spi: stm32: fixes suspend/resume management") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Alain Volmat <[email protected]> Link: https://lore.kernel.org/r/20200909094304.GA420136@mwanda Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
koenkooi · Sep 17, 2020 · bc1d374 · bc1d374
1 parent e3364a8
commit bc1d374
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
@@ -2064,7 +2064,7 @@ 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;
 	}