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author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-11-23 14:13:26 +0530 |
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committer | Inki Dae <inki.dae@samsung.com> | 2012-12-05 14:39:22 +0900 |
commit | 37f508614e04cfc4a7a2cc0f286efd5d4bde4d23 (patch) | |
tree | a07b3290947738c124b0c1c6c6b9b7f63c28dc25 /drivers | |
parent | df3d90e5f3f09e5bc940250e2a90a7e15343a4b6 (diff) | |
download | linux-37f508614e04cfc4a7a2cc0f286efd5d4bde4d23.tar.bz2 |
drm/exynos: Use devm_clk_get in exynos_mixer.c
devm_clk_get is device managed and makes error handling and exit code
simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 50100cfddf4e..40a6e1906fbb 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -984,57 +984,45 @@ static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx, spin_lock_init(&mixer_res->reg_slock); - mixer_res->mixer = clk_get(dev, "mixer"); + mixer_res->mixer = devm_clk_get(dev, "mixer"); if (IS_ERR_OR_NULL(mixer_res->mixer)) { dev_err(dev, "failed to get clock 'mixer'\n"); - ret = -ENODEV; - goto fail; + return -ENODEV; } - mixer_res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); + mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); if (IS_ERR_OR_NULL(mixer_res->sclk_hdmi)) { dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); - ret = -ENODEV; - goto fail; + return -ENODEV; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { dev_err(dev, "get memory resource failed.\n"); - ret = -ENXIO; - goto fail; + return -ENXIO; } mixer_res->mixer_regs = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (mixer_res->mixer_regs == NULL) { dev_err(dev, "register mapping failed.\n"); - ret = -ENXIO; - goto fail; + return -ENXIO; } res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (res == NULL) { dev_err(dev, "get interrupt resource failed.\n"); - ret = -ENXIO; - goto fail; + return -ENXIO; } ret = devm_request_irq(&pdev->dev, res->start, mixer_irq_handler, 0, "drm_mixer", ctx); if (ret) { dev_err(dev, "request interrupt failed.\n"); - goto fail; + return ret; } mixer_res->irq = res->start; return 0; - -fail: - if (!IS_ERR_OR_NULL(mixer_res->sclk_hdmi)) - clk_put(mixer_res->sclk_hdmi); - if (!IS_ERR_OR_NULL(mixer_res->mixer)) - clk_put(mixer_res->mixer); - return ret; } static int __devinit vp_resources_init(struct exynos_drm_hdmi_context *ctx, @@ -1044,25 +1032,21 @@ static int __devinit vp_resources_init(struct exynos_drm_hdmi_context *ctx, struct device *dev = &pdev->dev; struct mixer_resources *mixer_res = &mixer_ctx->mixer_res; struct resource *res; - int ret; - mixer_res->vp = clk_get(dev, "vp"); + mixer_res->vp = devm_clk_get(dev, "vp"); if (IS_ERR_OR_NULL(mixer_res->vp)) { dev_err(dev, "failed to get clock 'vp'\n"); - ret = -ENODEV; - goto fail; + return -ENODEV; } - mixer_res->sclk_mixer = clk_get(dev, "sclk_mixer"); + mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer"); if (IS_ERR_OR_NULL(mixer_res->sclk_mixer)) { dev_err(dev, "failed to get clock 'sclk_mixer'\n"); - ret = -ENODEV; - goto fail; + return -ENODEV; } - mixer_res->sclk_dac = clk_get(dev, "sclk_dac"); + mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac"); if (IS_ERR_OR_NULL(mixer_res->sclk_dac)) { dev_err(dev, "failed to get clock 'sclk_dac'\n"); - ret = -ENODEV; - goto fail; + return -ENODEV; } if (mixer_res->sclk_hdmi) @@ -1071,28 +1055,17 @@ static int __devinit vp_resources_init(struct exynos_drm_hdmi_context *ctx, res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res == NULL) { dev_err(dev, "get memory resource failed.\n"); - ret = -ENXIO; - goto fail; + return -ENXIO; } mixer_res->vp_regs = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (mixer_res->vp_regs == NULL) { dev_err(dev, "register mapping failed.\n"); - ret = -ENXIO; - goto fail; + return -ENXIO; } return 0; - -fail: - if (!IS_ERR_OR_NULL(mixer_res->sclk_dac)) - clk_put(mixer_res->sclk_dac); - if (!IS_ERR_OR_NULL(mixer_res->sclk_mixer)) - clk_put(mixer_res->sclk_mixer); - if (!IS_ERR_OR_NULL(mixer_res->vp)) - clk_put(mixer_res->vp); - return ret; } static struct mixer_drv_data exynos5_mxr_drv_data = { |