linux-kernel - [PATCH -next] misc: pvpanic: Use devm_platform_ioremap

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Message-ID: <20200918083634.33124-1-bobo.shaobowang@huawei.com>
Date:   Fri, 18 Sep 2020 16:36:34 +0800
From:   Wang ShaoBo <bobo.shaobowang@...wei.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <cj.chengjian@...wei.com>, <huawei.libin@...wei.com>,
        <gregkh@...uxfoundation.org>, <arnd@...db.de>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] misc: pvpanic: Use devm_platform_ioremap_resource()

Make use of devm_platform_ioremap_resource() provided by driver
core platform instead of duplicated analogue.

Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
---
 drivers/misc/pvpanic.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index a6e1a8983e1f..e16a5e51006e 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -143,13 +143,7 @@ static void pvpanic_unregister_acpi_driver(void) {}
 
 static int pvpanic_mmio_probe(struct platform_device *pdev)
 {
-	struct resource *mem;
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem)
-		return -EINVAL;
-
-	base = devm_ioremap_resource(&pdev->dev, mem);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-- 
2.17.1