linux-kernel - [PATCH 15/61] gpu: drm: omapdrm: displays: simplify getting .drvdata

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Message-Id: <20180419140641.27926-16-wsa+renesas@sang-engineering.com>
Date:   Thu, 19 Apr 2018 16:05:45 +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>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 15/61] gpu: drm: omapdrm: displays: 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/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 428de90fced1..8f8573a00e07 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -412,8 +412,7 @@ static const struct backlight_ops dsicm_bl_ops = {
 static ssize_t dsicm_num_errors_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	struct omap_dss_device *in = ddata->in;
 	u8 errors = 0;
 	int r;
@@ -444,8 +443,7 @@ static ssize_t dsicm_num_errors_show(struct device *dev,
 static ssize_t dsicm_hw_revision_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	struct omap_dss_device *in = ddata->in;
 	u8 id1, id2, id3;
 	int r;
@@ -476,8 +474,7 @@ static ssize_t dsicm_store_ulps(struct device *dev,
 		struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	struct omap_dss_device *in = ddata->in;
 	unsigned long t;
 	int r;
@@ -511,8 +508,7 @@ static ssize_t dsicm_show_ulps(struct device *dev,
 		struct device_attribute *attr,
 		char *buf)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	unsigned int t;
 
 	mutex_lock(&ddata->lock);
@@ -526,8 +522,7 @@ static ssize_t dsicm_store_ulps_timeout(struct device *dev,
 		struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	struct omap_dss_device *in = ddata->in;
 	unsigned long t;
 	int r;
@@ -558,8 +553,7 @@ static ssize_t dsicm_show_ulps_timeout(struct device *dev,
 		struct device_attribute *attr,
 		char *buf)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+	struct panel_drv_data *ddata = dev_get_drvdata(dev);
 	unsigned int t;
 
 	mutex_lock(&ddata->lock);
-- 
2.11.0