X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fi2c%2Fbusses%2Fi2c-rcar.c;h=b0ae560b38c308335229f0f9b2317f0361b6b8a3;hb=d55fc37856244c929965c190c8e9dcb49e2c07aa;hp=d8b5a8fee1e6c85588dd569b80894306b1c76b1a;hpb=ccc9d4a6d640cbde05d519edeb727881646cf71b;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index d8b5a8fee1e6..b0ae560b38c3 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -27,7 +27,6 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
-#include <linux/i2c/i2c-rcar.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
@@ -103,6 +102,7 @@
 enum rcar_i2c_type {
 	I2C_RCAR_GEN1,
 	I2C_RCAR_GEN2,
+	I2C_RCAR_GEN3,
 };
 
 struct rcar_i2c_priv {
@@ -178,6 +178,7 @@ static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
 		cdf_width = 2;
 		break;
 	case I2C_RCAR_GEN2:
+	case I2C_RCAR_GEN3:
 		cdf_width = 3;
 		break;
 	default:
@@ -625,13 +626,13 @@ static const struct of_device_id rcar_i2c_dt_ids[] = {
 	{ .compatible = "renesas,i2c-r8a7792", .data = (void *)I2C_RCAR_GEN2 },
 	{ .compatible = "renesas,i2c-r8a7793", .data = (void *)I2C_RCAR_GEN2 },
 	{ .compatible = "renesas,i2c-r8a7794", .data = (void *)I2C_RCAR_GEN2 },
+	{ .compatible = "renesas,i2c-r8a7795", .data = (void *)I2C_RCAR_GEN3 },
 	{},
 };
 MODULE_DEVICE_TABLE(of, rcar_i2c_dt_ids);
 
 static int rcar_i2c_probe(struct platform_device *pdev)
 {
-	struct i2c_rcar_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct rcar_i2c_priv *priv;
 	struct i2c_adapter *adap;
 	struct resource *res;
@@ -650,15 +651,9 @@ static int rcar_i2c_probe(struct platform_device *pdev)
 	}
 
 	bus_speed = 100000; /* default 100 kHz */
-	ret = of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
-	if (ret < 0 && pdata && pdata->bus_speed)
-		bus_speed = pdata->bus_speed;
+	of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
 
-	if (pdev->dev.of_node)
-		priv->devtype = (long)of_match_device(rcar_i2c_dt_ids,
-						      dev)->data;
-	else
-		priv->devtype = platform_get_device_id(pdev)->driver_data;
+	priv->devtype = (enum rcar_i2c_type)of_match_device(rcar_i2c_dt_ids, dev)->data;
 
 	ret = rcar_i2c_clock_calculate(priv, bus_speed, dev);
 	if (ret < 0)
@@ -716,14 +711,6 @@ static int rcar_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static const struct platform_device_id rcar_i2c_id_table[] = {
-	{ "i2c-rcar",		I2C_RCAR_GEN1 },
-	{ "i2c-rcar_gen1",	I2C_RCAR_GEN1 },
-	{ "i2c-rcar_gen2",	I2C_RCAR_GEN2 },
-	{},
-};
-MODULE_DEVICE_TABLE(platform, rcar_i2c_id_table);
-
 static struct platform_driver rcar_i2c_driver = {
 	.driver	= {
 		.name	= "i2c-rcar",
@@ -731,7 +718,6 @@ static struct platform_driver rcar_i2c_driver = {
 	},
 	.probe		= rcar_i2c_probe,
 	.remove		= rcar_i2c_remove,
-	.id_table	= rcar_i2c_id_table,
 };
 
 module_platform_driver(rcar_i2c_driver);