linux-kernel - [PATCH] mailbox: qcom-apcs-ipc: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074139.2400-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:41:39 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] mailbox: qcom-apcs-ipc: 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/qcom-apcs-ipc-mailbox.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index 82ccfaf14b24..71571eeef120 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -95,7 +95,6 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
 	struct qcom_apcs_ipc *apcs;
 	const struct qcom_apcs_ipc_data *apcs_data;
 	struct regmap *regmap;
-	struct resource *res;
 	void __iomem *base;
 	unsigned long i;
 	int ret;
@@ -104,8 +103,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
 	if (!apcs)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-- 
2.25.1