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drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_fimc.c 

devm_* APIs are device managed and get freed automatically when the
device detaches. Thus explicit freeing is not needed. This saves some
code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sachin Kamat 2012-12-24 14:03:43 +05:30 committed by Inki Dae
parent bfb6ed2600
commit 87acdde56d
1 changed files with 9 additions and 21 deletions
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30
drivers/gpu/drm/exynos/exynos_drm_fimc.c
View File

@ -1741,64 +1741,58 @@ static int __devinit fimc_probe(struct platform_device *pdev)
ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc");
if (IS_ERR(ctx->sclk_fimc_clk)) {
dev_err(dev, "failed to get src fimc clock.\n");
ret = PTR_ERR(ctx->sclk_fimc_clk);
goto err_ctx;
return PTR_ERR(ctx->sclk_fimc_clk);
}
clk_enable(ctx->sclk_fimc_clk);
ctx->fimc_clk = clk_get(dev, "fimc");
if (IS_ERR(ctx->fimc_clk)) {
dev_err(dev, "failed to get fimc clock.\n");
ret = PTR_ERR(ctx->fimc_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
goto err_ctx;
return PTR_ERR(ctx->fimc_clk);
}
ctx->wb_clk = clk_get(dev, "pxl_async0");
if (IS_ERR(ctx->wb_clk)) {
dev_err(dev, "failed to get writeback a clock.\n");
ret = PTR_ERR(ctx->wb_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
goto err_ctx;
return PTR_ERR(ctx->wb_clk);
}
ctx->wb_b_clk = clk_get(dev, "pxl_async1");
if (IS_ERR(ctx->wb_b_clk)) {
dev_err(dev, "failed to get writeback b clock.\n");
ret = PTR_ERR(ctx->wb_b_clk);
clk_disable(ctx->sclk_fimc_clk);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
goto err_ctx;
return PTR_ERR(ctx->wb_b_clk);
}
parent_clk = clk_get(dev, ddata->parent_clk);
if (IS_ERR(parent_clk)) {
dev_err(dev, "failed to get parent clock.\n");
ret = PTR_ERR(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);
goto err_ctx;
return PTR_ERR(parent_clk);
}
if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) {
dev_err(dev, "failed to set parent.\n");
ret = -EINVAL;
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);
goto err_ctx;
return -EINVAL;
}
clk_put(parent_clk);
@ -1824,7 +1818,7 @@ static int __devinit fimc_probe(struct platform_device *pdev)
if (!res) {
dev_err(dev, "failed to request irq resource.\n");
ret = -ENOENT;
goto err_get_regs;
goto err_clk;
}
ctx->irq = res->start;
@ -1832,7 +1826,7 @@ 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_get_regs;
goto err_clk;
}
/* context initailization */
@ -1878,15 +1872,12 @@ err_ippdrv_register:
pm_runtime_disable(dev);
err_get_irq:
free_irq(ctx->irq, ctx);
err_get_regs:
devm_iounmap(dev, ctx->regs);
err_clk:
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
err_ctx:
devm_kfree(dev, ctx);
return ret;
}
@ -1904,15 +1895,12 @@ static int __devexit fimc_remove(struct platform_device *pdev)
pm_runtime_disable(dev);
free_irq(ctx->irq, ctx);
devm_iounmap(dev, ctx->regs);
clk_put(ctx->sclk_fimc_clk);
clk_put(ctx->fimc_clk);
clk_put(ctx->wb_clk);
clk_put(ctx->wb_b_clk);
devm_kfree(dev, ctx);
return 0;
}