From e4f79d9ca21810a606ecce9067b8b037a5511413 Mon Sep 17 00:00:00 2001 From: Kevin Hao Date: Fri, 27 Feb 2015 15:47:27 +0800 Subject: [PATCH] mmc: tegra: use devm help functions to get the clk and gpio Simplify the error and remove path. Signed-off-by: Kevin Hao Acked-by: Alexandre Courbot Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci-tegra.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index f3778d5..0643f66 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -286,7 +286,8 @@ static int sdhci_tegra_probe(struct platform_device *pdev) goto err_parse_dt; if (gpio_is_valid(tegra_host->power_gpio)) { - rc = gpio_request(tegra_host->power_gpio, "sdhci_power"); + rc = devm_gpio_request(&pdev->dev, tegra_host->power_gpio, + "sdhci_power"); if (rc) { dev_err(mmc_dev(host->mmc), "failed to allocate power gpio\n"); @@ -295,7 +296,7 @@ static int sdhci_tegra_probe(struct platform_device *pdev) gpio_direction_output(tegra_host->power_gpio, 1); } - clk = clk_get(mmc_dev(host->mmc), NULL); + clk = devm_clk_get(mmc_dev(host->mmc), NULL); if (IS_ERR(clk)) { dev_err(mmc_dev(host->mmc), "clk err\n"); rc = PTR_ERR(clk); @@ -312,10 +313,7 @@ static int sdhci_tegra_probe(struct platform_device *pdev) err_add_host: clk_disable_unprepare(pltfm_host->clk); - clk_put(pltfm_host->clk); err_clk_get: - if (gpio_is_valid(tegra_host->power_gpio)) - gpio_free(tegra_host->power_gpio); err_power_req: err_parse_dt: err_alloc_tegra_host: @@ -327,16 +325,11 @@ static int sdhci_tegra_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct sdhci_tegra *tegra_host = pltfm_host->priv; int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); sdhci_remove_host(host, dead); - if (gpio_is_valid(tegra_host->power_gpio)) - gpio_free(tegra_host->power_gpio); - clk_disable_unprepare(pltfm_host->clk); - clk_put(pltfm_host->clk); sdhci_pltfm_free(pdev); -- 2.7.4