char: xilinx_hwicap: Fold hwicap_remove() into only caller

hwicap_remove() is only called by hwicap_drv_remove(). Simplify by
unrolling the former into the latter function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michal Simek <michal.simek@amd.com>
Message-ID: <20230605092047.50472-1-u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Uwe Kleine-König

drivers/char/xilinx_hwicap/xilinx_hwicap.c

@@ -721,27 +721,6 @@ static struct hwicap_driver_config fifo_icap_config = {
 	.reset = fifo_icap_reset,
 };
 
-static int hwicap_remove(struct device *dev)
-{
-	struct hwicap_drvdata *drvdata;
-
-	drvdata = dev_get_drvdata(dev);
-
-	if (!drvdata)
-		return 0;
-
-	device_destroy(icap_class, drvdata->devt);
-	cdev_del(&drvdata->cdev);
-	iounmap(drvdata->base_address);
-	release_mem_region(drvdata->mem_start, drvdata->mem_size);
-	kfree(drvdata);
-
-	mutex_lock(&icap_sem);
-	probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0;
-	mutex_unlock(&icap_sem);
-	return 0;		/* success */
-}
-
 #ifdef CONFIG_OF
 static int hwicap_of_probe(struct platform_device *op,
 				     const struct hwicap_driver_config *config)
@@ -827,7 +806,24 @@ static int hwicap_drv_probe(struct platform_device *pdev)
 
 static int hwicap_drv_remove(struct platform_device *pdev)
 {
-	return hwicap_remove(&pdev->dev);
+	struct device *dev = &pdev->dev;
+	struct hwicap_drvdata *drvdata;
+
+	drvdata = dev_get_drvdata(dev);
+	if (!drvdata)
+		return 0;
+
+	device_destroy(icap_class, drvdata->devt);
+	cdev_del(&drvdata->cdev);
+	iounmap(drvdata->base_address);
+	release_mem_region(drvdata->mem_start, drvdata->mem_size);
+	kfree(drvdata);
+
+	mutex_lock(&icap_sem);
+	probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0;
+	mutex_unlock(&icap_sem);
+
+	return 0;
 }
 
 #ifdef CONFIG_OF