mmc: sdhci-of-arasan: use sdhci_pltfm_init for private allocation

Commit 0e748234293f ("mmc: sdhci: Add size for caller in init+register")
allows users of sdhci_pltfm to allocate private space in calls to
sdhci_pltfm_init+sdhci_pltfm_register. This patch migrates the
sdhci-of-arasan driver to this allocation.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 8b4f8f7..1e4b5e0 100644 (file)
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -81,7 +81,7 @@ static int sdhci_arasan_suspend(struct device *dev)
        struct platform_device *pdev = to_platform_device(dev);
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
+       struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
        int ret;
 
        ret = sdhci_suspend_host(host);
@@ -106,7 +106,7 @@ static int sdhci_arasan_resume(struct device *dev)
        struct platform_device *pdev = to_platform_device(dev);
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
+       struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
        int ret;
 
        ret = clk_enable(sdhci_arasan->clk_ahb);
@@ -137,10 +137,13 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
        struct sdhci_pltfm_host *pltfm_host;
        struct sdhci_arasan_data *sdhci_arasan;
 
-       sdhci_arasan = devm_kzalloc(&pdev->dev, sizeof(*sdhci_arasan),
-                       GFP_KERNEL);
-       if (!sdhci_arasan)
-               return -ENOMEM;
+       host = sdhci_pltfm_init(pdev, &sdhci_arasan_pdata,
+                               sizeof(*sdhci_arasan));
+       if (IS_ERR(host))
+               return PTR_ERR(host);
+
+       pltfm_host = sdhci_priv(host);
+       sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
 
        sdhci_arasan->clk_ahb = devm_clk_get(&pdev->dev, "clk_ahb");
        if (IS_ERR(sdhci_arasan->clk_ahb)) {
@@ -166,15 +169,7 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
                goto clk_dis_ahb;
        }
 
-       host = sdhci_pltfm_init(pdev, &sdhci_arasan_pdata, 0);
-       if (IS_ERR(host)) {
-               ret = PTR_ERR(host);
-               goto clk_disable_all;
-       }
-
        sdhci_get_of_property(pdev);
-       pltfm_host = sdhci_priv(host);
-       pltfm_host->priv = sdhci_arasan;
        pltfm_host->clk = clk_xin;
 
        ret = mmc_of_parse(host->mmc);
@@ -204,11 +199,12 @@ static int sdhci_arasan_remove(struct platform_device *pdev)
        int ret;
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
+       struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
+       struct clk *clk_ahb = sdhci_arasan->clk_ahb;
 
        ret = sdhci_pltfm_unregister(pdev);
 
-       clk_disable_unprepare(sdhci_arasan->clk_ahb);
+       clk_disable_unprepare(clk_ahb);
 
        return ret;
 }