From e2732ae5dd9c765732dda6b7120eb74896562c22 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Mon, 26 Nov 2012 03:20:21 -0300 Subject: [PATCH] [media] exynos-gsc: Use devm_clk_get() devm_clk_get() is a device managed function and makes error handling a bit simpler. Signed-off-by: Sachin Kamat Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/exynos-gsc/gsc-core.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index c8b82c0..0c22ad5 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1002,11 +1002,8 @@ static void *gsc_get_drv_data(struct platform_device *pdev) static void gsc_clk_put(struct gsc_dev *gsc) { - if (!IS_ERR(gsc->clock)) { + if (!IS_ERR(gsc->clock)) clk_unprepare(gsc->clock); - clk_put(gsc->clock); - gsc->clock = NULL; - } } static int gsc_clk_get(struct gsc_dev *gsc) @@ -1015,28 +1012,22 @@ static int gsc_clk_get(struct gsc_dev *gsc) dev_dbg(&gsc->pdev->dev, "gsc_clk_get Called\n"); - gsc->clock = clk_get(&gsc->pdev->dev, GSC_CLOCK_GATE_NAME); + gsc->clock = devm_clk_get(&gsc->pdev->dev, GSC_CLOCK_GATE_NAME); if (IS_ERR(gsc->clock)) { dev_err(&gsc->pdev->dev, "failed to get clock~~~: %s\n", GSC_CLOCK_GATE_NAME); - goto err_clk_get; + return PTR_ERR(gsc->clock); } ret = clk_prepare(gsc->clock); if (ret < 0) { dev_err(&gsc->pdev->dev, "clock prepare failed for clock: %s\n", GSC_CLOCK_GATE_NAME); - clk_put(gsc->clock); gsc->clock = ERR_PTR(-EINVAL); - goto err_clk_prepare; + return ret; } return 0; - -err_clk_prepare: - gsc_clk_put(gsc); -err_clk_get: - return -ENXIO; } static int gsc_m2m_suspend(struct gsc_dev *gsc) -- 2.7.4