On Thu, 21 Oct 2021 at 21:34, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > On Thu, 21 Oct 2021 at 15:43, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > > Commit f433e8aac6b9 ("mmc: sdhci-omap: Implement PM runtime functions") > > combined the use of runtime PM and system suspend functions but left the > > ifdef CONFIG_PM_SLEEP in place causing undeclared identifier error for > > sdhci_omap_runtime_suspend if CONFIG_PM_SLEEP is not enabled. > > > > Let's fix the error by removing ifdef CONFIG_PM_SLEEP and tagging the > > reset of the PM related functions with __maybe_unused. > > > > Let's also remove the forward declaration for sdhci_omap_context_save(), > > that was accidentally left from an earlier version and is no longer used. > > > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> Well, I decided to amend the patch and apply it. It needed a small rebase on top of Geert's other patch too. No action needed for you. Kind regards Uffe > > --- > > drivers/mmc/host/sdhci-omap.c | 9 +++------ > > 1 file changed, 3 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c > > --- a/drivers/mmc/host/sdhci-omap.c > > +++ b/drivers/mmc/host/sdhci-omap.c > > @@ -1210,8 +1210,6 @@ static const struct soc_device_attribute sdhci_omap_soc_devices[] = { > > } > > }; > > > > -static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host); > > - > > static int sdhci_omap_probe(struct platform_device *pdev) > > { > > int ret; > > @@ -1417,8 +1415,8 @@ static int sdhci_omap_remove(struct platform_device *pdev) > > > > return 0; > > } > > -#ifdef CONFIG_PM_SLEEP > > This above should be: > #ifdef CONFIG_PM > > sdhci_runtime_suspend|resume() host is defined like this as well, so > the below would trigger a compiler error when built with CONFIG_PM > unset. > > > -static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host) > > + > > +static void __maybe_unused sdhci_omap_context_save(struct sdhci_omap_host *omap_host) > > { > > omap_host->con = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); > > omap_host->hctl = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL); > > @@ -1429,7 +1427,7 @@ static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host) > > } > > > > /* Order matters here, HCTL must be restored in two phases */ > > -static void sdhci_omap_context_restore(struct sdhci_omap_host *omap_host) > > +static void __maybe_unused sdhci_omap_context_restore(struct sdhci_omap_host *omap_host) > > { > > sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, omap_host->hctl); > > sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, omap_host->capa); > > @@ -1471,7 +1469,6 @@ static int __maybe_unused sdhci_omap_runtime_resume(struct device *dev) > > > > return 0; > > } > > -#endif > > > > static const struct dev_pm_ops sdhci_omap_dev_pm_ops = { > > SET_RUNTIME_PM_OPS(sdhci_omap_runtime_suspend, > > Kind regards > Uffe