media: ov5693: rename clk into xvclk

Rename clk pdata pointer into xvclk (system clock input).
Same for clk_rate into xvclk_rate. This is more explicit

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/i2c/ov5693.c

@@ -157,7 +157,7 @@ struct ov5693_device {
 	struct gpio_desc *reset;
 	struct gpio_desc *powerdown;
 	struct regulator_bulk_data supplies[OV5693_NUM_SUPPLIES];
-	struct clk *clk;
+	struct clk *xvclk;
 
 	struct ov5693_mode {
 		struct v4l2_rect crop;
@@ -794,7 +794,7 @@ static void ov5693_sensor_powerdown(struct ov5693_device *ov5693)
 
 	regulator_bulk_disable(OV5693_NUM_SUPPLIES, ov5693->supplies);
 
-	clk_disable_unprepare(ov5693->clk);
+	clk_disable_unprepare(ov5693->xvclk);
 }
 
 static int ov5693_sensor_powerup(struct ov5693_device *ov5693)
@@ -804,7 +804,7 @@ static int ov5693_sensor_powerup(struct ov5693_device *ov5693)
 	gpiod_set_value_cansleep(ov5693->reset, 1);
 	gpiod_set_value_cansleep(ov5693->powerdown, 1);
 
-	ret = clk_prepare_enable(ov5693->clk);
+	ret = clk_prepare_enable(ov5693->xvclk);
 	if (ret) {
 		dev_err(ov5693->dev, "Failed to enable clk\n");
 		goto fail_power;
@@ -1390,7 +1390,7 @@ static int ov5693_check_hwcfg(struct ov5693_device *ov5693)
 static int ov5693_probe(struct i2c_client *client)
 {
 	struct ov5693_device *ov5693;
-	u32 clk_rate;
+	u32 xvclk_rate;
 	int ret = 0;
 
 	ov5693 = devm_kzalloc(&client->dev, sizeof(*ov5693), GFP_KERNEL);
@@ -1408,16 +1408,16 @@ static int ov5693_probe(struct i2c_client *client)
 
 	v4l2_i2c_subdev_init(&ov5693->sd, client, &ov5693_ops);
 
-	ov5693->clk = devm_clk_get(&client->dev, "xvclk");
-	if (IS_ERR(ov5693->clk)) {
+	ov5693->xvclk = devm_clk_get(&client->dev, "xvclk");
+	if (IS_ERR(ov5693->xvclk)) {
 		dev_err(&client->dev, "Error getting clock\n");
-		return PTR_ERR(ov5693->clk);
+		return PTR_ERR(ov5693->xvclk);
 	}
 
-	clk_rate = clk_get_rate(ov5693->clk);
-	if (clk_rate != OV5693_XVCLK_FREQ)
+	xvclk_rate = clk_get_rate(ov5693->xvclk);
+	if (xvclk_rate != OV5693_XVCLK_FREQ)
 		dev_warn(&client->dev, "Found clk freq %u, expected %u\n",
-			 clk_rate, OV5693_XVCLK_FREQ);
+			 xvclk_rate, OV5693_XVCLK_FREQ);
 
 	ret = ov5693_configure_gpios(ov5693);
 	if (ret)