[media] smiapp: Call the clock "ext_clk"

As the clock framework makes it possible to assign a device specific name to
the clocks, remove the ability to use a named clock in the driver.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/smiapp/smiapp-core.c

@@ -2363,20 +2363,17 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
 	}
 
 	if (!sensor->platform_data->set_xclk) {
-		sensor->ext_clk = devm_clk_get(&client->dev,
-					sensor->platform_data->ext_clk_name);
+		sensor->ext_clk = devm_clk_get(&client->dev, "ext_clk");
 		if (IS_ERR(sensor->ext_clk)) {
-			dev_err(&client->dev, "could not get clock %s\n",
-				sensor->platform_data->ext_clk_name);
+			dev_err(&client->dev, "could not get clock\n");
 			return -ENODEV;
 		}
 
 		rval = clk_set_rate(sensor->ext_clk,
 				    sensor->platform_data->ext_clk);
 		if (rval < 0) {
 			dev_err(&client->dev,
-				"unable to set clock %s freq to %u\n",
-				sensor->platform_data->ext_clk_name,
+				"unable to set clock freq to %u\n",
 				sensor->platform_data->ext_clk);
 			return -ENODEV;
 		}

include/media/smiapp.h

@@ -77,7 +77,6 @@ struct smiapp_platform_data {
 	struct smiapp_flash_strobe_parms *strobe_setup;
 
 	int (*set_xclk)(struct v4l2_subdev *sd, int hz);
-	char *ext_clk_name;
 	int xshutdown;			/* gpio or SMIAPP_NO_XSHUTDOWN */
 };