linux-kernel - [PATCH v3 09/13] memory: mtk-smi: Use devm_platform_ioremap

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Date:   Tue, 10 Aug 2021 16:08:55 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     Krzysztof Kozlowski <krzk@...nel.org>,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Tomasz Figa <tfiga@...omium.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
        <youlin.pei@...iatek.com>, <anan.sun@...iatek.com>,
        <ming-fan.chen@...iatek.com>, <yi.kuo@...iatek.com>,
        <anthony.huang@...iatek.com>, Ikjoon Jang <ikjn@...omium.org>
Subject: [PATCH v3 09/13] memory: mtk-smi: Use devm_platform_ioremap_resource

No functional change. Simplify probing code.

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Reviewed-by: Ikjoon Jang <ikjn@...omium.org>
---
 drivers/memory/mtk-smi.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 58d9f7667490..a001e41f5074 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -328,7 +328,6 @@ static int mtk_smi_dts_clk_init(struct device *dev, struct mtk_smi *smi,
 static int mtk_smi_larb_probe(struct platform_device *pdev)
 {
 	struct mtk_smi_larb *larb;
-	struct resource *res;
 	struct device *dev = &pdev->dev;
 	int ret;
 
@@ -337,8 +336,7 @@ static int mtk_smi_larb_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	larb->larb_gen = of_device_get_match_data(dev);
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	larb->base = devm_ioremap_resource(dev, res);
+	larb->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(larb->base))
 		return PTR_ERR(larb->base);
 
@@ -460,7 +458,6 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct mtk_smi *common;
-	struct resource *res;
 	int ret, clk_required = MTK_SMI_COM_REQ_CLK_NR;
 
 	common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL);
@@ -486,8 +483,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
 	 * base.
 	 */
 	if (common->plat->type == MTK_SMI_GEN1) {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		common->smi_ao_base = devm_ioremap_resource(dev, res);
+		common->smi_ao_base = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(common->smi_ao_base))
 			return PTR_ERR(common->smi_ao_base);
 
@@ -499,8 +495,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
 		if (ret)
 			return ret;
 	} else {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		common->base = devm_ioremap_resource(dev, res);
+		common->base = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(common->base))
 			return PTR_ERR(common->base);
 	}
-- 
2.18.0