drm/exynos: rotator: convert to common clock framework

This driver was not used after introduction of common clock framework.
This patch adds missing prepare/unprepare calls and allows to use it
again with current kernel code.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index 2f5c118..bea0f78 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -790,10 +790,10 @@ static int rotator_remove(struct platform_device *pdev)
 static int rotator_clk_crtl(struct rot_context *rot, bool enable)
 {
        if (enable) {
-               clk_enable(rot->clock);
+               clk_prepare_enable(rot->clock);
                rot->suspended = false;
        } else {
-               clk_disable(rot->clock);
+               clk_disable_unprepare(rot->clock);
                rot->suspended = true;
        }