[PATCH 2/3] drm/exynos: fimc: Clock control is unused if !PM

[Thierry Reding]

From: Thierry Reding <tred...@nvidia.com>

Protect the fimc_clk_ctrl() function with an #ifdef CONFIG_PM guard to
avoid "defined but not used" warnings.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c | 36 ++++++++++++++++----------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c 
b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 2a652359af64..dd3a5e6d58c8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -1206,23 +1206,6 @@ static struct exynos_drm_ipp_ops fimc_dst_ops = {
        .set_addr = fimc_dst_set_addr,
 };

-static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
-{
-       DRM_DEBUG_KMS("enable[%d]\n", enable);
-
-       if (enable) {
-               clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
-               clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
-               ctx->suspended = false;
-       } else {
-               clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
-               clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
-               ctx->suspended = true;
-       }
-
-       return 0;
-}
-
 static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
 {
        struct fimc_context *ctx = dev_id;
@@ -1780,6 +1763,24 @@ static int fimc_remove(struct platform_device *pdev)
        return 0;
 }

+#ifdef CONFIG_PM
+static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
+{
+       DRM_DEBUG_KMS("enable[%d]\n", enable);
+
+       if (enable) {
+               clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
+               clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
+               ctx->suspended = false;
+       } else {
+               clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
+               clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
+               ctx->suspended = true;
+       }
+
+       return 0;
+}
+
 #ifdef CONFIG_PM_SLEEP
 static int fimc_suspend(struct device *dev)
 {
@@ -1806,7 +1807,6 @@ static int fimc_resume(struct device *dev)
 }
 #endif

-#ifdef CONFIG_PM
 static int fimc_runtime_suspend(struct device *dev)
 {
        struct fimc_context *ctx = get_fimc_context(dev);
-- 
2.5.0