linux-kernel - [PATCH] mailbox: altera: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074049.2043-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:40:48 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Ley Foon Tan <ley.foon.tan@...el.com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] mailbox: altera: 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/mailbox/mailbox-altera.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/mailbox/mailbox-altera.c b/drivers/mailbox/mailbox-altera.c
index 75282666fb06..afb320e9d69c 100644
--- a/drivers/mailbox/mailbox-altera.c
+++ b/drivers/mailbox/mailbox-altera.c
@@ -285,7 +285,6 @@ static const struct mbox_chan_ops altera_mbox_ops = {
 static int altera_mbox_probe(struct platform_device *pdev)
 {
 	struct altera_mbox *mbox;
-	struct resource	*regs;
 	struct mbox_chan *chans;
 	int ret;
 
@@ -299,9 +298,7 @@ static int altera_mbox_probe(struct platform_device *pdev)
 	if (!chans)
 		return -ENOMEM;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	mbox->mbox_base = devm_ioremap_resource(&pdev->dev, regs);
+	mbox->mbox_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mbox->mbox_base))
 		return PTR_ERR(mbox->mbox_base);
 
-- 
2.25.1