mtd: st_spi_fsm: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()

Letting the compiler remove these functions when the kernel is built
without CONFIG_PM_SLEEP support is simpler and less error prone than the
use of #ifdef based kernel configuration guards.

Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index dba584fa2a530b8d32eccc4ebc4d04ce01582ca8..f2266145b82167a4f7a063bcc7815115815483a1 100644 (file)
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2104,7 +2104,6 @@ static void stfsm_remove(struct platform_device *pdev)
        WARN_ON(mtd_device_unregister(&fsm->mtd));
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int stfsmfsm_suspend(struct device *dev)
 {
        struct stfsm *fsm = dev_get_drvdata(dev);
@@ -2120,9 +2119,8 @@ static int stfsmfsm_resume(struct device *dev)
 
        return clk_prepare_enable(fsm->clk);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(stfsm_pm_ops, stfsmfsm_suspend, stfsmfsm_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stfsm_pm_ops, stfsmfsm_suspend, stfsmfsm_resume);
 
 static const struct of_device_id stfsm_match[] = {
        { .compatible = "st,spi-fsm", },
@@ -2136,7 +2134,7 @@ static struct platform_driver stfsm_driver = {
        .driver         = {
                .name   = "st-spi-fsm",
                .of_match_table = stfsm_match,
-               .pm     = &stfsm_pm_ops,
+               .pm     = pm_sleep_ptr(&stfsm_pm_ops),
        },
 };
 module_platform_driver(stfsm_driver);