mmc: sdhci-pxav3: Use devm_* managed helpers

This simplifies probe error and remove code paths.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index f4f1289..6f842fb 100644 (file)
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -288,15 +288,13 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
        int ret;
        struct clk *clk;
 
-       pxa = kzalloc(sizeof(struct sdhci_pxa), GFP_KERNEL);
+       pxa = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_pxa), GFP_KERNEL);
        if (!pxa)
                return -ENOMEM;
 
        host = sdhci_pltfm_init(pdev, &sdhci_pxav3_pdata, 0);
-       if (IS_ERR(host)) {
-               kfree(pxa);
+       if (IS_ERR(host))
                return PTR_ERR(host);
-       }
 
        if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) {
                ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info());
@@ -308,7 +306,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
        pltfm_host = sdhci_priv(host);
        pltfm_host->priv = pxa;
 
-       clk = clk_get(dev, NULL);
+       clk = devm_clk_get(dev, NULL);
        if (IS_ERR(clk)) {
                dev_err(dev, "failed to get io clock\n");
                ret = PTR_ERR(clk);
@@ -389,11 +387,9 @@ err_add_host:
        pm_runtime_put_sync(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        clk_disable_unprepare(clk);
-       clk_put(clk);
 err_clk_get:
 err_mbus_win:
        sdhci_pltfm_free(pdev);
-       kfree(pxa);
        return ret;
 }
 
@@ -401,17 +397,14 @@ static int sdhci_pxav3_remove(struct platform_device *pdev)
 {
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_pxa *pxa = pltfm_host->priv;
 
        pm_runtime_get_sync(&pdev->dev);
        sdhci_remove_host(host, 1);
        pm_runtime_disable(&pdev->dev);
 
        clk_disable_unprepare(pltfm_host->clk);
-       clk_put(pltfm_host->clk);
 
        sdhci_pltfm_free(pdev);
-       kfree(pxa);
 
        return 0;
 }