On 20-09-03 13:25:48, Paul Cercueil wrote:
> Use the newly introduced pm_ptr() macro, and mark the suspend/resume
> functions __maybe_unused. These functions can then be moved outside the
> CONFIG_PM_SUSPEND block, and the compiler can then process them and
> detect build failures independently of the config. If unused, they will
> simply be discarded by the compiler.
>
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
> drivers/usb/phy/phy-mxs-usb.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
> index 67b39dc62b37..c5e32d51563f 100644
> --- a/drivers/usb/phy/phy-mxs-usb.c
> +++ b/drivers/usb/phy/phy-mxs-usb.c
> @@ -815,8 +815,8 @@ static int mxs_phy_remove(struct platform_device *pdev)
> return 0;
> }
>
> -#ifdef CONFIG_PM_SLEEP
> -static void mxs_phy_enable_ldo_in_suspend(struct mxs_phy *mxs_phy, bool on)
> +static void __maybe_unused
> +mxs_phy_enable_ldo_in_suspend(struct mxs_phy *mxs_phy, bool on)
> {
> unsigned int reg = on ? ANADIG_ANA_MISC0_SET : ANADIG_ANA_MISC0_CLR;
>
> @@ -832,7 +832,7 @@ static void mxs_phy_enable_ldo_in_suspend(struct mxs_phy *mxs_phy, bool on)
> reg, BM_ANADIG_ANA_MISC0_STOP_MODE_CONFIG_SL);
> }
>
> -static int mxs_phy_system_suspend(struct device *dev)
> +static int __maybe_unused mxs_phy_system_suspend(struct device *dev)
> {
> struct mxs_phy *mxs_phy = dev_get_drvdata(dev);
>
> @@ -842,7 +842,7 @@ static int mxs_phy_system_suspend(struct device *dev)
> return 0;
> }
>
> -static int mxs_phy_system_resume(struct device *dev)
> +static int __maybe_unused mxs_phy_system_resume(struct device *dev)
> {
> struct mxs_phy *mxs_phy = dev_get_drvdata(dev);
>
> @@ -851,7 +851,6 @@ static int mxs_phy_system_resume(struct device *dev)
>
> return 0;
> }
> -#endif /* CONFIG_PM_SLEEP */
>
> static SIMPLE_DEV_PM_OPS(mxs_phy_pm, mxs_phy_system_suspend,
> mxs_phy_system_resume);
> @@ -862,7 +861,7 @@ static struct platform_driver mxs_phy_driver = {
> .driver = {
> .name = DRIVER_NAME,
> .of_match_table = mxs_phy_dt_ids,
> - .pm = &mxs_phy_pm,
> + .pm = pm_ptr(&mxs_phy_pm),
> },
> };
>
> --
Acked-by: Peter Chen <peter.chen@xxxxxxx>
--
Thanks,
Peter Chen
