[PATCH] drm: Use device_get_match_data()

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Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data in a single step. With this, adjust the
includes to explicitly include the correct headers. That also serves as
preparation to remove implicit includes within the DT headers
(of_device.h in particular).

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
 drivers/gpu/drm/armada/armada_crtc.c    | 24 +++++++-----------------
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 10 ++++------
 drivers/gpu/drm/exynos/exynos_drm_gsc.c |  9 +++++----
 drivers/gpu/drm/imx/ipuv3/imx-ldb.c     |  9 ++++-----
 drivers/gpu/drm/mxsfb/mxsfb_drv.c       | 10 +++-------
 drivers/gpu/drm/omapdrm/dss/dispc.c     |  4 ++--
 drivers/gpu/drm/omapdrm/dss/dss.c       |  5 +++--
 7 files changed, 28 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 15dd667aa2e7..f2886e6f631b 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -7,8 +7,9 @@
 #include <linux/clk.h>
 #include <linux/component.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
@@ -1012,26 +1013,17 @@ armada_lcd_bind(struct device *dev, struct device *master, void *data)
 	int irq = platform_get_irq(pdev, 0);
 	const struct armada_variant *variant;
 	struct device_node *port = NULL;
+	struct device_node *np, *parent = dev->of_node;
 
 	if (irq < 0)
 		return irq;
 
-	if (!dev->of_node) {
-		const struct platform_device_id *id;
 
-		id = platform_get_device_id(pdev);
-		if (!id)
-			return -ENXIO;
-
-		variant = (const struct armada_variant *)id->driver_data;
-	} else {
-		const struct of_device_id *match;
-		struct device_node *np, *parent = dev->of_node;
-
-		match = of_match_device(dev->driver->of_match_table, dev);
-		if (!match)
-			return -ENXIO;
+	variant = device_get_match_data(dev);
+	if (!variant)
+		return -ENXIO;
 
+	if (parent) {
 		np = of_get_child_by_name(parent, "ports");
 		if (np)
 			parent = np;
@@ -1041,8 +1033,6 @@ armada_lcd_bind(struct device *dev, struct device *master, void *data)
 			dev_err(dev, "no port node found in %pOF\n", parent);
 			return -ENXIO;
 		}
-
-		variant = match->data;
 	}
 
 	return armada_drm_crtc_create(drm, dev, res, irq, variant, port);
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index 78122b35a0cb..a7a6b70220eb 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -6,10 +6,10 @@
 #include <linux/irq.h>
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
 
@@ -143,7 +143,6 @@ static int aspeed_gfx_load(struct drm_device *drm)
 	struct aspeed_gfx *priv = to_aspeed_gfx(drm);
 	struct device_node *np = pdev->dev.of_node;
 	const struct aspeed_gfx_config *config;
-	const struct of_device_id *match;
 	struct resource *res;
 	int ret;
 
@@ -152,10 +151,9 @@ static int aspeed_gfx_load(struct drm_device *drm)
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-	match = of_match_device(aspeed_gfx_match, &pdev->dev);
-	if (!match)
+	config = device_get_match_data(&pdev->dev);
+	if (!config)
 		return -EINVAL;
-	config = match->data;
 
 	priv->dac_reg = config->dac_reg;
 	priv->int_clr_reg = config->int_clear_reg;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 34cdabc30b4f..35771fb4e85d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -11,9 +11,10 @@
 #include <linux/component.h>
 #include <linux/kernel.h>
 #include <linux/mfd/syscon.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 
 #include <drm/drm_fourcc.h>
@@ -103,7 +104,7 @@ struct gsc_context {
 	unsigned int			num_formats;
 
 	void __iomem	*regs;
-	const char	**clk_names;
+	const char	*const *clk_names;
 	struct clk	*clocks[GSC_MAX_CLOCKS];
 	int		num_clocks;
 	struct gsc_scaler	sc;
@@ -1217,7 +1218,7 @@ static const unsigned int gsc_tiled_formats[] = {
 static int gsc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct gsc_driverdata *driver_data;
+	const struct gsc_driverdata *driver_data;
 	struct exynos_drm_ipp_formats *formats;
 	struct gsc_context *ctx;
 	int num_formats, ret, i, j;
@@ -1226,7 +1227,7 @@ static int gsc_probe(struct platform_device *pdev)
 	if (!ctx)
 		return -ENOMEM;
 
-	driver_data = (struct gsc_driverdata *)of_device_get_match_data(dev);
+	driver_data = device_get_match_data(dev);
 	ctx->dev = dev;
 	ctx->num_clocks = driver_data->num_clocks;
 	ctx->clk_names = driver_data->clk_names;
diff --git a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
index 989eca32d325..53840ab054c7 100644
--- a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
+++ b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
@@ -12,8 +12,10 @@
 #include <linux/mfd/syscon.h>
 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/of_graph.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/videodev2.h>
 
@@ -617,7 +619,6 @@ static int imx_ldb_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	const struct of_device_id *of_id = of_match_device(imx_ldb_dt_ids, dev);
 	struct device_node *child;
 	struct imx_ldb *imx_ldb;
 	int dual;
@@ -638,9 +639,7 @@ static int imx_ldb_probe(struct platform_device *pdev)
 	regmap_write(imx_ldb->regmap, IOMUXC_GPR2, 0);
 
 	imx_ldb->dev = dev;
-
-	if (of_id)
-		imx_ldb->lvds_mux = of_id->data;
+	imx_ldb->lvds_mux = device_get_match_data(dev);
 
 	dual = of_property_read_bool(np, "fsl,dual-channel");
 	if (dual)
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 625c1bfc4173..b483ef48216a 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -11,9 +11,10 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/io.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/pm_runtime.h>
 
 #include <drm/drm_atomic_helper.h>
@@ -346,18 +347,13 @@ MODULE_DEVICE_TABLE(of, mxsfb_dt_ids);
 static int mxsfb_probe(struct platform_device *pdev)
 {
 	struct drm_device *drm;
-	const struct of_device_id *of_id =
-			of_match_device(mxsfb_dt_ids, &pdev->dev);
 	int ret;
 
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
 	drm = drm_dev_alloc(&mxsfb_driver, &pdev->dev);
 	if (IS_ERR(drm))
 		return PTR_ERR(drm);
 
-	ret = mxsfb_load(drm, of_id->data);
+	ret = mxsfb_load(drm, device_get_match_data(&pdev->dev));
 	if (ret)
 		goto err_free;
 
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index c26aab4939fa..993691b3cc7e 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -22,11 +22,11 @@
 #include <linux/hardirq.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/property.h>
 #include <linux/sizes.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/component.h>
 #include <linux/sys_soc.h>
 #include <drm/drm_fourcc.h>
@@ -4765,7 +4765,7 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
 	if (soc)
 		dispc->feat = soc->data;
 	else
-		dispc->feat = of_match_device(dispc_of_match, &pdev->dev)->data;
+		dispc->feat = device_get_match_data(&pdev->dev);
 
 	r = dispc_errata_i734_wa_init(dispc);
 	if (r)
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index 02955f976845..988888e164d7 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -22,12 +22,13 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/property.h>
 #include <linux/gfp.h>
 #include <linux/sizes.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/of_platform.h>
 #include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
@@ -1445,7 +1446,7 @@ static int dss_probe(struct platform_device *pdev)
 	if (soc)
 		dss->feat = soc->data;
 	else
-		dss->feat = of_match_device(dss_of_match, &pdev->dev)->data;
+		dss->feat = device_get_match_data(&pdev->dev);
 
 	/* Map I/O registers, get and setup clocks. */
 	dss->base = devm_platform_ioremap_resource(pdev, 0);
-- 
2.42.0




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