drm/exynos: Remove non-DT support in exynos_hdmi

Since commit 383ffda2fa ("ARM: EXYNOS: no more support non-DT
for EXYNOS SoCs"), Exynos platform is DT only. Hence remove
all the conditional macros and make the driver DT only.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 8ea07a1..a0e10ae 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1858,7 +1858,6 @@ void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
                hdmi_hdmiphy = hdmiphy;
 }
 
-#ifdef CONFIG_OF
 static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
                                        (struct device *dev)
 {
@@ -1882,33 +1881,7 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
 err_data:
        return NULL;
 }
-#else
-static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
-                                       (struct device *dev)
-{
-       return NULL;
-}
-#endif
-
-static struct platform_device_id hdmi_driver_types[] = {
-       {
-               .name           = "s5pv210-hdmi",
-               .driver_data    = HDMI_TYPE13,
-       }, {
-               .name           = "exynos4-hdmi",
-               .driver_data    = HDMI_TYPE13,
-       }, {
-               .name           = "exynos4-hdmi14",
-               .driver_data    = HDMI_TYPE14,
-       }, {
-               .name           = "exynos5-hdmi",
-               .driver_data    = HDMI_TYPE14,
-       }, {
-               /* end node */
-       }
-};
 
-#ifdef CONFIG_OF
 static struct of_device_id hdmi_match_types[] = {
        {
                .compatible = "samsung,exynos5-hdmi",
@@ -1920,7 +1893,6 @@ static struct of_device_id hdmi_match_types[] = {
                /* end node */
        }
 };
-#endif
 
 static int hdmi_probe(struct platform_device *pdev)
 {
@@ -1929,30 +1901,21 @@ static int hdmi_probe(struct platform_device *pdev)
        struct hdmi_context *hdata;
        struct s5p_hdmi_platform_data *pdata;
        struct resource *res;
+       const struct of_device_id *match;
        int ret;
 
-       if (dev->of_node) {
-               pdata = drm_hdmi_dt_parse_pdata(dev);
-               if (IS_ERR(pdata)) {
-                       DRM_ERROR("failed to parse dt\n");
-                       return PTR_ERR(pdata);
-               }
-       } else {
-               pdata = dev->platform_data;
-       }
+        if (!dev->of_node)
+               return -ENODEV;
 
-       if (!pdata) {
-               DRM_ERROR("no platform data specified\n");
+       pdata = drm_hdmi_dt_parse_pdata(dev);
+       if (!pdata)
                return -EINVAL;
-       }
 
-       drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx),
-                                                               GFP_KERNEL);
+       drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL);
        if (!drm_hdmi_ctx)
                return -ENOMEM;
 
-       hdata = devm_kzalloc(dev, sizeof(struct hdmi_context),
-                                                               GFP_KERNEL);
+       hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
        if (!hdata)
                return -ENOMEM;
 
@@ -1963,23 +1926,15 @@ static int hdmi_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, drm_hdmi_ctx);
 
-       if (dev->of_node) {
-               const struct of_device_id *match;
-               match = of_match_node(of_match_ptr(hdmi_match_types),
-                                       dev->of_node);
-               if (match == NULL)
-                       return -ENODEV;
-               hdata->type = (enum hdmi_type)match->data;
-       } else {
-               hdata->type = (enum hdmi_type)platform_get_device_id
-                                       (pdev)->driver_data;
-       }
+       match = of_match_node(hdmi_match_types, dev->of_node);
+       if (!match)
+               return -ENODEV;
+       hdata->type = (enum hdmi_type)match->data;
 
        hdata->hpd_gpio = pdata->hpd_gpio;
        hdata->dev = dev;
 
        ret = hdmi_resources_init(hdata);
-
        if (ret) {
                DRM_ERROR("hdmi_resources_init failed\n");
                return -EINVAL;
@@ -2134,11 +2089,10 @@ static const struct dev_pm_ops hdmi_pm_ops = {
 struct platform_driver hdmi_driver = {
        .probe          = hdmi_probe,
        .remove         = hdmi_remove,
-       .id_table = hdmi_driver_types,
        .driver         = {
                .name   = "exynos-hdmi",
                .owner  = THIS_MODULE,
                .pm     = &hdmi_pm_ops,
-               .of_match_table = of_match_ptr(hdmi_match_types),
+               .of_match_table = hdmi_match_types,
        },
 };