[media] exynos4-is: Compile in fimc-lite runtime PM callbacks conditionally

Enclose the runtime PM helpers in #ifdef CONFIG_PM_RUNTIME/#endif
to avoid following compile warning when CONFIG_PM_RUNTIME is disabled:

CC      drivers/media/platform/exynos4-is/fimc-lite.o
drivers/media/platform/exynos4-is/fimc-lite.c:1591:12: warning: ‘fimc_lite_runtime_resume’ defined but not used [-Wunused-function]
drivers/media/platform/exynos4-is/fimc-lite.c:1599:12: warning: ‘fimc_lite_runtime_suspend’ defined but not used [-Wunused-function]

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
index 5213ff0..779ec3c 100644 (file)
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -1588,6 +1588,7 @@ err_clk_put:
        return ret;
 }
 
+#ifdef CONFIG_PM_RUNTIME
 static int fimc_lite_runtime_resume(struct device *dev)
 {
        struct fimc_lite *fimc = dev_get_drvdata(dev);
@@ -1603,6 +1604,7 @@ static int fimc_lite_runtime_suspend(struct device *dev)
        clk_disable(fimc->clock);
        return 0;
 }
+#endif
 
 #ifdef CONFIG_PM_SLEEP
 static int fimc_lite_resume(struct device *dev)