diff options
author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-12-28 10:26:18 (GMT) |
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committer | Inki Dae <inki.dae@samsung.com> | 2013-01-04 06:54:34 (GMT) |
commit | 15b3263eb3267b2be06f969f775f2e34624c7259 (patch) | |
tree | 8e4a3e9905e8a6096c7033d2dae576e3dafcc67d /drivers/gpu | |
parent | 3fb6922eae7e9c8be5d6b305b37c7495ffbf0e01 (diff) | |
download | linux-fsl-qoriq-15b3263eb3267b2be06f969f775f2e34624c7259.tar.xz |
drm/exynos: Use devm_clk_get in exynos_drm_fimc.c
This eliminates the need for explicit clk_put and makes the
cleanup and exit path code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimc.c | 45 |
1 files changed, 9 insertions, 36 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 96bfdd6..88a7841 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1738,64 +1738,49 @@ static int __devinit fimc_probe(struct platform_device *pdev) platform_get_device_id(pdev)->driver_data; /* clock control */ - ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc"); + ctx->sclk_fimc_clk = devm_clk_get(dev, "sclk_fimc"); if (IS_ERR(ctx->sclk_fimc_clk)) { dev_err(dev, "failed to get src fimc clock.\n"); return PTR_ERR(ctx->sclk_fimc_clk); } clk_enable(ctx->sclk_fimc_clk); - ctx->fimc_clk = clk_get(dev, "fimc"); + ctx->fimc_clk = devm_clk_get(dev, "fimc"); if (IS_ERR(ctx->fimc_clk)) { dev_err(dev, "failed to get fimc clock.\n"); clk_disable(ctx->sclk_fimc_clk); - clk_put(ctx->sclk_fimc_clk); return PTR_ERR(ctx->fimc_clk); } - ctx->wb_clk = clk_get(dev, "pxl_async0"); + ctx->wb_clk = devm_clk_get(dev, "pxl_async0"); if (IS_ERR(ctx->wb_clk)) { dev_err(dev, "failed to get writeback a clock.\n"); clk_disable(ctx->sclk_fimc_clk); - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); return PTR_ERR(ctx->wb_clk); } - ctx->wb_b_clk = clk_get(dev, "pxl_async1"); + ctx->wb_b_clk = devm_clk_get(dev, "pxl_async1"); if (IS_ERR(ctx->wb_b_clk)) { dev_err(dev, "failed to get writeback b clock.\n"); clk_disable(ctx->sclk_fimc_clk); - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); - clk_put(ctx->wb_clk); return PTR_ERR(ctx->wb_b_clk); } - parent_clk = clk_get(dev, ddata->parent_clk); + parent_clk = devm_clk_get(dev, ddata->parent_clk); if (IS_ERR(parent_clk)) { dev_err(dev, "failed to get parent clock.\n"); clk_disable(ctx->sclk_fimc_clk); - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); - clk_put(ctx->wb_clk); - clk_put(ctx->wb_b_clk); return PTR_ERR(parent_clk); } if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) { dev_err(dev, "failed to set parent.\n"); - clk_put(parent_clk); clk_disable(ctx->sclk_fimc_clk); - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); - clk_put(ctx->wb_clk); - clk_put(ctx->wb_b_clk); return -EINVAL; } - clk_put(parent_clk); + devm_clk_put(dev, parent_clk); clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate); /* resource memory */ @@ -1803,16 +1788,14 @@ static int __devinit fimc_probe(struct platform_device *pdev) ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res); if (!ctx->regs) { dev_err(dev, "failed to map registers.\n"); - ret = -ENXIO; - goto err_clk; + return -ENXIO; } /* resource irq */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(dev, "failed to request irq resource.\n"); - ret = -ENOENT; - goto err_clk; + return -ENOENT; } ctx->irq = res->start; @@ -1820,7 +1803,7 @@ static int __devinit fimc_probe(struct platform_device *pdev) IRQF_ONESHOT, "drm_fimc", ctx); if (ret < 0) { dev_err(dev, "failed to request irq.\n"); - goto err_clk; + return ret; } /* context initailization */ @@ -1866,11 +1849,6 @@ err_ippdrv_register: pm_runtime_disable(dev); err_get_irq: free_irq(ctx->irq, ctx); -err_clk: - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); - clk_put(ctx->wb_clk); - clk_put(ctx->wb_b_clk); return ret; } @@ -1890,11 +1868,6 @@ static int __devexit fimc_remove(struct platform_device *pdev) free_irq(ctx->irq, ctx); - clk_put(ctx->sclk_fimc_clk); - clk_put(ctx->fimc_clk); - clk_put(ctx->wb_clk); - clk_put(ctx->wb_b_clk); - return 0; } |