power: reset: at91-reset: use devm_of_iomap
authorClaudiu Beznea <claudiu.beznea@microchip.com>
Fri, 2 Apr 2021 10:50:18 +0000 (13:50 +0300)
committerSebastian Reichel <sebastian.reichel@collabora.com>
Fri, 2 Apr 2021 11:11:45 +0000 (13:11 +0200)
Use devm_of_iomap() to map resources. This will avoid the necessity to
track the mapped resources and free them on failure path or on remove.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
drivers/power/reset/at91-reset.c

index 3ff9d93..0266494 100644 (file)
@@ -192,7 +192,7 @@ static int __init at91_reset_probe(struct platform_device *pdev)
        if (!reset)
                return -ENOMEM;
 
-       reset->rstc_base = of_iomap(pdev->dev.of_node, 0);
+       reset->rstc_base = devm_of_iomap(&pdev->dev, pdev->dev.of_node, 0, NULL);
        if (!reset->rstc_base) {
                dev_err(&pdev->dev, "Could not map reset controller address\n");
                return -ENODEV;
@@ -202,7 +202,7 @@ static int __init at91_reset_probe(struct platform_device *pdev)
                /* we need to shutdown the ddr controller, so get ramc base */
                for_each_matching_node_and_match(np, at91_ramc_of_match, &match) {
                        reset->ramc_lpr = (u32)match->data;
-                       reset->ramc_base[idx] = of_iomap(np, 0);
+                       reset->ramc_base[idx] = devm_of_iomap(&pdev->dev, np, 0, NULL);
                        if (!reset->ramc_base[idx]) {
                                dev_err(&pdev->dev, "Could not map ram controller address\n");
                                of_node_put(np);