linux-kernel - [PATCH 28/61] mmc: host: simplify getting .drvdata

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Date:   Thu, 19 Apr 2018 16:05:58 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Michal Simek <michal.simek@...inx.com>,
        Tony Prisk <linux@...sktech.co.nz>, linux-mmc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 28/61] mmc: host: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---

Build tested only. buildbot is happy. Please apply individually.

 drivers/mmc/host/davinci_mmc.c     | 6 ++----
 drivers/mmc/host/sdhci-of-arasan.c | 6 ++----
 drivers/mmc/host/wmt-sdmmc.c       | 6 ++----
 3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 8e363174f9d6..9e68c3645e22 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1377,8 +1377,7 @@ static int __exit davinci_mmcsd_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
 static int davinci_mmcsd_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct mmc_davinci_host *host = platform_get_drvdata(pdev);
+	struct mmc_davinci_host *host = dev_get_drvdata(dev);
 
 	writel(0, host->base + DAVINCI_MMCIM);
 	mmc_davinci_reset_ctrl(host, 1);
@@ -1389,8 +1388,7 @@ static int davinci_mmcsd_suspend(struct device *dev)
 
 static int davinci_mmcsd_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct mmc_davinci_host *host = platform_get_drvdata(pdev);
+	struct mmc_davinci_host *host = dev_get_drvdata(dev);
 
 	clk_enable(host->clk);
 	mmc_davinci_reset_ctrl(host, 0);
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index c33a5f7393bd..bed3612247b0 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -359,8 +359,7 @@ static const struct sdhci_pltfm_data sdhci_arasan_cqe_pdata = {
  */
 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_host *host = dev_get_drvdata(dev);
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
 	int ret;
@@ -403,8 +402,7 @@ static int sdhci_arasan_suspend(struct device *dev)
  */
 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_host *host = dev_get_drvdata(dev);
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
 	int ret;
diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c
index fd30ac7da5e5..3ba42f508014 100644
--- a/drivers/mmc/host/wmt-sdmmc.c
+++ b/drivers/mmc/host/wmt-sdmmc.c
@@ -928,8 +928,7 @@ static int wmt_mci_remove(struct platform_device *pdev)
 static int wmt_mci_suspend(struct device *dev)
 {
 	u32 reg_tmp;
-	struct platform_device *pdev = to_platform_device(dev);
-	struct mmc_host *mmc = platform_get_drvdata(pdev);
+	struct mmc_host *mmc = dev_get_drvdata(dev);
 	struct wmt_mci_priv *priv;
 
 	if (!mmc)
@@ -953,8 +952,7 @@ static int wmt_mci_suspend(struct device *dev)
 static int wmt_mci_resume(struct device *dev)
 {
 	u32 reg_tmp;
-	struct platform_device *pdev = to_platform_device(dev);
-	struct mmc_host *mmc = platform_get_drvdata(pdev);
+	struct mmc_host *mmc = dev_get_drvdata(dev);
 	struct wmt_mci_priv *priv;
 
 	if (mmc) {
-- 
2.11.0