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path: root/drivers/mtd/maps/plat-ram.c
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Diffstat (limited to 'drivers/mtd/maps/plat-ram.c')
-rw-r--r--drivers/mtd/maps/plat-ram.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 6d9a4d6f9839..1c541eaf477a 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* drivers/mtd/maps/plat-ram.c
*
* (c) 2004-2005 Simtec Electronics
@@ -5,20 +6,6 @@
* Ben Dooks <ben@simtec.co.uk>
*
* Generic platform device based RAM map
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
@@ -78,14 +65,14 @@ static inline void platram_setrw(struct platram_info *info, int to)
* called to remove the device from the driver's control
*/
-static int platram_remove(struct platform_device *pdev)
+static void platram_remove(struct platform_device *pdev)
{
struct platram_info *info = to_platram_info(pdev);
dev_dbg(&pdev->dev, "removing device\n");
if (info == NULL)
- return 0;
+ return;
if (info->mtd) {
mtd_device_unregister(info->mtd);
@@ -97,8 +84,6 @@ static int platram_remove(struct platform_device *pdev)
platram_setrw(info, PLATRAM_RO);
kfree(info);
-
- return 0;
}
/* platram_probe
@@ -136,11 +121,9 @@ static int platram_probe(struct platform_device *pdev)
info->pdata = pdata;
/* get the resource for the memory mapping */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- info->map.virt = devm_ioremap_resource(&pdev->dev, res);
+ info->map.virt = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(info->map.virt)) {
err = PTR_ERR(info->map.virt);
- dev_err(&pdev->dev, "failed to ioremap() region\n");
goto exit_free;
}
@@ -190,8 +173,12 @@ static int platram_probe(struct platform_device *pdev)
err = mtd_device_parse_register(info->mtd, pdata->probes, NULL,
pdata->partitions,
pdata->nr_partitions);
- if (!err)
- dev_info(&pdev->dev, "registered mtd device\n");
+ if (err) {
+ dev_err(&pdev->dev, "failed to register mtd device\n");
+ goto exit_free;
+ }
+
+ dev_info(&pdev->dev, "registered mtd device\n");
if (pdata->nr_partitions) {
/* add the whole device. */
@@ -199,10 +186,11 @@ static int platram_probe(struct platform_device *pdev)
if (err) {
dev_err(&pdev->dev,
"failed to register the entire device\n");
+ goto exit_free;
}
}
- return err;
+ return 0;
exit_free:
platram_remove(pdev);