linux-kernel - [PATCH] watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap

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Date:   Tue, 7 Sep 2021 15:42:36 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        <linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/watchdog/rti_wdt.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
index 359302f71f7e..117bc2a8eb0a 100644
--- a/drivers/watchdog/rti_wdt.c
+++ b/drivers/watchdog/rti_wdt.c
@@ -194,7 +194,6 @@ static int rti_wdt_probe(struct platform_device *pdev)
 {
 	int ret = 0;
 	struct device *dev = &pdev->dev;
-	struct resource *wdt_mem;
 	struct watchdog_device *wdd;
 	struct rti_wdt_device *wdt;
 	struct clk *clk;
@@ -246,8 +245,7 @@ static int rti_wdt_probe(struct platform_device *pdev)
 	watchdog_set_nowayout(wdd, 1);
 	watchdog_set_restart_priority(wdd, 128);
 
-	wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	wdt->base = devm_ioremap_resource(dev, wdt_mem);
+	wdt->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(wdt->base)) {
 		ret = PTR_ERR(wdt->base);
 		goto err_iomap;
-- 
2.25.1