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    Subject[PATCH] mmc: core: Fix build warning with !CONFIG_SUSPEND
    Date
    With !CONFIG_SUSPEND, mmc core layer throws below build warnings.

    drivers/mmc/core/bus.c:125: warning: 'mmc_bus_suspend' defined but not used
    drivers/mmc/core/bus.c:136: warning: 'mmc_bus_resume' defined but not used
    drivers/mmc/core/sdio_bus.c:197: warning: 'pm_no_operation' defined but not used

    Fix is by wrapping suspend hooks under CONFIG_SUSPEND

    Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
    Cc: Chris Ball <cjb@laptop.org>
    ---
    drivers/mmc/core/bus.c | 2 ++
    drivers/mmc/core/sdio_bus.c | 2 +-
    2 files changed, 3 insertions(+), 1 deletions(-)

    diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
    index c60cee9..ca8925d 100644
    --- a/drivers/mmc/core/bus.c
    +++ b/drivers/mmc/core/bus.c
    @@ -122,6 +122,7 @@ static int mmc_bus_remove(struct device *dev)
    return 0;
    }

    +#ifdef CONFIG_SUSPEND
    static int mmc_bus_suspend(struct device *dev)
    {
    struct mmc_driver *drv = to_mmc_driver(dev->driver);
    @@ -143,6 +144,7 @@ static int mmc_bus_resume(struct device *dev)
    ret = drv->resume(card);
    return ret;
    }
    +#endif

    #ifdef CONFIG_PM_RUNTIME

    diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
    index 236842e..87d1b7e 100644
    --- a/drivers/mmc/core/sdio_bus.c
    +++ b/drivers/mmc/core/sdio_bus.c
    @@ -192,7 +192,7 @@ static int sdio_bus_remove(struct device *dev)
    return ret;
    }

    -#ifdef CONFIG_PM
    +#ifdef CONFIG_SUSPEND

    static int pm_no_operation(struct device *dev)
    {
    --
    1.7.5.4


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