video: exynos_dp: remove non-DT support for Exynos Display Port

[karo-tx-linux.git] / drivers / video / exynos / exynos_dp_core.c

diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index 12bbede3b091e68ae0600b7fb55c765052d2f66d..05fed7dc67dae849f6e9937c1664cc5a5bbf761c 100644 (file)
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -20,8 +20,6 @@
 #include <linux/delay.h>
 #include <linux/of.h>
 
-#include <video/exynos_dp.h>
-
 #include "exynos_dp_core.h"
 
 static int exynos_dp_init_dp(struct exynos_dp_device *dp)
@@ -894,26 +892,17 @@ static void exynos_dp_hotplug(struct work_struct *work)
                dev_err(dp->dev, "unable to config video\n");
 }
 
-#ifdef CONFIG_OF
-static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev)
+static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
 {
        struct device_node *dp_node = dev->of_node;
-       struct exynos_dp_platdata *pd;
        struct video_info *dp_video_config;
 
-       pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
-       if (!pd) {
-               dev_err(dev, "memory allocation for pdata failed\n");
-               return ERR_PTR(-ENOMEM);
-       }
        dp_video_config = devm_kzalloc(dev,
                                sizeof(*dp_video_config), GFP_KERNEL);
-
        if (!dp_video_config) {
                dev_err(dev, "memory allocation for video config failed\n");
                return ERR_PTR(-ENOMEM);
        }
-       pd->video_info = dp_video_config;
 
        dp_video_config->h_sync_polarity =
                of_property_read_bool(dp_node, "hsync-active-high");
@@ -960,7 +949,7 @@ static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev)
                return ERR_PTR(-EINVAL);
        }
 
-       return pd;
+       return dp_video_config;
 }
 
 static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
@@ -1003,48 +992,30 @@ err:
 
 static void exynos_dp_phy_init(struct exynos_dp_device *dp)
 {
-       u32 reg;
+       if (dp->phy_addr) {
+               u32 reg;
 
-       reg = __raw_readl(dp->phy_addr);
-       reg |= dp->enable_mask;
-       __raw_writel(reg, dp->phy_addr);
+               reg = __raw_readl(dp->phy_addr);
+               reg |= dp->enable_mask;
+               __raw_writel(reg, dp->phy_addr);
+       }
 }
 
 static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
 {
-       u32 reg;
-
-       reg = __raw_readl(dp->phy_addr);
-       reg &= ~(dp->enable_mask);
-       __raw_writel(reg, dp->phy_addr);
-}
-#else
-static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev)
-{
-       return NULL;
-}
-
-static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
-{
-       return -EINVAL;
-}
-
-static void exynos_dp_phy_init(struct exynos_dp_device *dp)
-{
-       return;
-}
+       if (dp->phy_addr) {
+               u32 reg;
 
-static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
-{
-       return;
+               reg = __raw_readl(dp->phy_addr);
+               reg &= ~(dp->enable_mask);
+               __raw_writel(reg, dp->phy_addr);
+       }
 }
-#endif /* CONFIG_OF */
 
 static int exynos_dp_probe(struct platform_device *pdev)
 {
        struct resource *res;
        struct exynos_dp_device *dp;
-       struct exynos_dp_platdata *pdata;
 
        int ret = 0;
 
@@ -1057,21 +1028,13 @@ static int exynos_dp_probe(struct platform_device *pdev)
 
        dp->dev = &pdev->dev;
 
-       if (pdev->dev.of_node) {
-               pdata = exynos_dp_dt_parse_pdata(&pdev->dev);
-               if (IS_ERR(pdata))
-                       return PTR_ERR(pdata);
+       dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
+       if (IS_ERR(dp->video_info))
+               return PTR_ERR(dp->video_info);
 
-               ret = exynos_dp_dt_parse_phydata(dp);
-               if (ret)
-                       return ret;
-       } else {
-               pdata = pdev->dev.platform_data;
-               if (!pdata) {
-                       dev_err(&pdev->dev, "no platform data\n");
-                       return -EINVAL;
-               }
-       }
+       ret = exynos_dp_dt_parse_phydata(dp);
+       if (ret)
+               return ret;
 
        dp->clock = devm_clk_get(&pdev->dev, "dp");
        if (IS_ERR(dp->clock)) {
@@ -1095,15 +1058,7 @@ static int exynos_dp_probe(struct platform_device *pdev)
 
        INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug);
 
-       dp->video_info = pdata->video_info;
-
-       if (pdev->dev.of_node) {
-               if (dp->phy_addr)
-                       exynos_dp_phy_init(dp);
-       } else {
-               if (pdata->phy_init)
-                       pdata->phy_init();
-       }
+       exynos_dp_phy_init(dp);
 
        exynos_dp_init_dp(dp);
 
@@ -1121,18 +1076,11 @@ static int exynos_dp_probe(struct platform_device *pdev)
 
 static int exynos_dp_remove(struct platform_device *pdev)
 {
-       struct exynos_dp_platdata *pdata = pdev->dev.platform_data;
        struct exynos_dp_device *dp = platform_get_drvdata(pdev);
 
        flush_work(&dp->hotplug_work);
 
-       if (pdev->dev.of_node) {
-               if (dp->phy_addr)
-                       exynos_dp_phy_exit(dp);
-       } else {
-               if (pdata->phy_exit)
-                       pdata->phy_exit();
-       }
+       exynos_dp_phy_exit(dp);
 
        clk_disable_unprepare(dp->clock);
 
@@ -1143,20 +1091,13 @@ static int exynos_dp_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int exynos_dp_suspend(struct device *dev)
 {
-       struct exynos_dp_platdata *pdata = dev->platform_data;
        struct exynos_dp_device *dp = dev_get_drvdata(dev);
 
        disable_irq(dp->irq);
 
        flush_work(&dp->hotplug_work);
 
-       if (dev->of_node) {
-               if (dp->phy_addr)
-                       exynos_dp_phy_exit(dp);
-       } else {
-               if (pdata->phy_exit)
-                       pdata->phy_exit();
-       }
+       exynos_dp_phy_exit(dp);
 
        clk_disable_unprepare(dp->clock);
 
@@ -1165,16 +1106,9 @@ static int exynos_dp_suspend(struct device *dev)
 
 static int exynos_dp_resume(struct device *dev)
 {
-       struct exynos_dp_platdata *pdata = dev->platform_data;
        struct exynos_dp_device *dp = dev_get_drvdata(dev);
 
-       if (dev->of_node) {
-               if (dp->phy_addr)
-                       exynos_dp_phy_init(dp);
-       } else {
-               if (pdata->phy_init)
-                       pdata->phy_init();
-       }
+       exynos_dp_phy_init(dp);
 
        clk_prepare_enable(dp->clock);
 
@@ -1203,7 +1137,7 @@ static struct platform_driver exynos_dp_driver = {
                .name   = "exynos-dp",
                .owner  = THIS_MODULE,
                .pm     = &exynos_dp_pm_ops,
-               .of_match_table = of_match_ptr(exynos_dp_match),
+               .of_match_table = exynos_dp_match,
        },
 };