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. Link: https://lore.kernel.org/all/20240716180010.126987-1-rgallaispou@xxxxxxxxx Signed-off-by: Raphael Gallais-Pou <rgallaispou@xxxxxxxxx> --- drivers/ata/ahci_st.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c index 6b9b4a1dfa15bb6f395cc742f25251376b869a21..4336c8a6e20871fe25b61d6e2043fa15902b3559 100644 --- a/drivers/ata/ahci_st.c +++ b/drivers/ata/ahci_st.c @@ -176,7 +176,6 @@ static int st_ahci_probe(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP static int st_ahci_suspend(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); @@ -221,9 +220,8 @@ static int st_ahci_resume(struct device *dev) return ahci_platform_resume_host(dev); } -#endif -static SIMPLE_DEV_PM_OPS(st_ahci_pm_ops, st_ahci_suspend, st_ahci_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(st_ahci_pm_ops, st_ahci_suspend, st_ahci_resume); static const struct of_device_id st_ahci_match[] = { { .compatible = "st,ahci", }, @@ -234,7 +232,7 @@ MODULE_DEVICE_TABLE(of, st_ahci_match); static struct platform_driver st_ahci_driver = { .driver = { .name = DRV_NAME, - .pm = &st_ahci_pm_ops, + .pm = pm_sleep_ptr(&st_ahci_pm_ops), .of_match_table = st_ahci_match, }, .probe = st_ahci_probe, -- 2.47.1