mmc: sdhci: disable the clock in sdhci_pltfm_unregister()

So we can avoid to sprinkle the clk_disable_unprepare() in many
drivers.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-bcm-kona.c

@@ -325,17 +325,7 @@ static int sdhci_bcm_kona_probe(struct platform_device *pdev)
 
 static int sdhci_bcm_kona_remove(struct platform_device *pdev)
 {
-	struct sdhci_host *host = platform_get_drvdata(pdev);
-	struct sdhci_pltfm_host *pltfm_priv = sdhci_priv(host);
-	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
-
-	sdhci_remove_host(host, dead);
-
-	clk_disable_unprepare(pltfm_priv->clk);
-
-	sdhci_pltfm_free(pdev);
-
-	return 0;
+	return sdhci_pltfm_unregister(pdev);
 }
 
 static struct platform_driver sdhci_bcm_kona_driver = {

drivers/mmc/host/sdhci-dove.c

@@ -110,13 +110,7 @@ static int sdhci_dove_probe(struct platform_device *pdev)
 
 static int sdhci_dove_remove(struct platform_device *pdev)
 {
-	struct sdhci_host *host = platform_get_drvdata(pdev);
-	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-
-	clk_disable_unprepare(pltfm_host->clk);
-	sdhci_pltfm_unregister(pdev);
-
-	return 0;
+	return sdhci_pltfm_unregister(pdev);
 }
 
 static const struct of_device_id sdhci_dove_of_match_table[] = {

drivers/mmc/host/sdhci-of-arasan.c

@@ -195,7 +195,6 @@ static int sdhci_arasan_remove(struct platform_device *pdev)
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
 
-	clk_disable_unprepare(pltfm_host->clk);
 	clk_disable_unprepare(sdhci_arasan->clk_ahb);
 
 	return sdhci_pltfm_unregister(pdev);

drivers/mmc/host/sdhci-pltfm.c

@@ -225,9 +225,11 @@ EXPORT_SYMBOL_GPL(sdhci_pltfm_register);
 int sdhci_pltfm_unregister(struct platform_device *pdev)
 {
 	struct sdhci_host *host = platform_get_drvdata(pdev);
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
 
 	sdhci_remove_host(host, dead);
+	clk_disable_unprepare(pltfm_host->clk);
 	sdhci_pltfm_free(pdev);
 
 	return 0;

drivers/mmc/host/sdhci-sirf.c

@@ -196,11 +196,8 @@ static int sdhci_sirf_probe(struct platform_device *pdev)
 static int sdhci_sirf_remove(struct platform_device *pdev)
 {
 	struct sdhci_host *host = platform_get_drvdata(pdev);
-	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 
-	clk_disable_unprepare(pltfm_host->clk);
-	sdhci_pltfm_unregister(pdev);
-	return 0;
+	return sdhci_pltfm_unregister(pdev);
 }
 
 #ifdef CONFIG_PM_SLEEP

drivers/mmc/host/sdhci-st.c

@@ -115,11 +115,6 @@ static int sdhci_st_probe(struct platform_device *pdev)
 
 static int sdhci_st_remove(struct platform_device *pdev)
 {
-	struct sdhci_host *host = platform_get_drvdata(pdev);
-	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-
-	clk_disable_unprepare(pltfm_host->clk);
-
 	return sdhci_pltfm_unregister(pdev);
 }
 

drivers/mmc/host/sdhci-tegra.c

@@ -323,17 +323,7 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
 
 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);
-	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
-
-	sdhci_remove_host(host, dead);
-
-	clk_disable_unprepare(pltfm_host->clk);
-
-	sdhci_pltfm_free(pdev);
-
-	return 0;
+	return sdhci_pltfm_unregister(pdev);
 }
 
 static struct platform_driver sdhci_tegra_driver = {