From 044c372aeb87946c64f10fe7bbe0f8c4b3222121 Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Fri, 19 Jul 2013 10:05:17 -0300 Subject: [PATCH] [media] exynos4-is: Simplify sclk_cam clocks handling Use clk_prepare_enable()/clk_disable_unprepare() instead of separately prearing/unparing the clk_cam clocks. This simplifies the code that is now mostly not going to be used, function __fimc_md_set_camclk() is only left for S5PV210 platform which is not yet converted to Device Tree. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/exynos4-is/media-dev.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index 42f121ca91ee..ef6642b3fab5 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1150,7 +1150,6 @@ static void fimc_md_put_clocks(struct fimc_md *fmd) while (--i >= 0) { if (IS_ERR(fmd->camclk[i].clock)) continue; - clk_unprepare(fmd->camclk[i].clock); clk_put(fmd->camclk[i].clock); fmd->camclk[i].clock = ERR_PTR(-EINVAL); } @@ -1169,7 +1168,7 @@ static int fimc_md_get_clocks(struct fimc_md *fmd) struct device *dev = NULL; char clk_name[32]; struct clk *clock; - int ret, i; + int i, ret = 0; for (i = 0; i < FIMC_MAX_CAMCLKS; i++) fmd->camclk[i].clock = ERR_PTR(-EINVAL); @@ -1187,12 +1186,6 @@ static int fimc_md_get_clocks(struct fimc_md *fmd) ret = PTR_ERR(clock); break; } - ret = clk_prepare(clock); - if (ret < 0) { - clk_put(clock); - fmd->camclk[i].clock = ERR_PTR(-EINVAL); - break; - } fmd->camclk[i].clock = clock; } if (ret) @@ -1249,7 +1242,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, ret = pm_runtime_get_sync(fmd->pmf); if (ret < 0) return ret; - ret = clk_enable(camclk->clock); + ret = clk_prepare_enable(camclk->clock); dbg("Enabled camclk %d: f: %lu", si->clk_id, clk_get_rate(camclk->clock)); } @@ -1260,7 +1253,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, return 0; if (--camclk->use_count == 0) { - clk_disable(camclk->clock); + clk_disable_unprepare(camclk->clock); pm_runtime_put(fmd->pmf); dbg("Disabled camclk %d", si->clk_id); } -- 2.30.2