mmc: sdhci-pltfm: Fix linking err for sdhci-brcmstb

The implementation of sdhci_pltfm_suspend() is only available when
CONFIG_PM_SLEEP is set, which triggers a linking error:

"undefined symbol: sdhci_pltfm_suspend" when building sdhci-brcmstb.c.

Fix this by implementing the missing stubs when CONFIG_PM_SLEEP is unset.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Fixes: 5b191dcba719 ("mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend")
Cc: stable@vger.kernel.org
Tested-By: Nicolas Schichan <nschichan@freeebox.fr>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 6301b81cf5731b871e1c7d1523e18583d20f0c63..9bd717ff784be7775fdd31dd9e412799ee7e68f0 100644 (file)
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -111,8 +111,13 @@ static inline void *sdhci_pltfm_priv(struct sdhci_pltfm_host *host)
        return host->private;
 }
 
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#ifdef CONFIG_PM_SLEEP
 int sdhci_pltfm_suspend(struct device *dev);
 int sdhci_pltfm_resume(struct device *dev);
-extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#else
+static inline int sdhci_pltfm_suspend(struct device *dev) { return 0; }
+static inline int sdhci_pltfm_resume(struct device *dev) { return 0; }
+#endif
 
 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */