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

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commit d7fb9c24209556478e65211d7a1f056f2d43cceb upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ulf Hansson 2021-01-26 10:43:13 +01:00 committed by Greg Kroah-Hartman
parent 2502610927
commit 57b452c5ab
1 changed files with 6 additions and 1 deletions
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7
drivers/mmc/host/sdhci-pltfm.h
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@ -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 */