linux-kernel - [PATCH 4/9] memory: tegra: convert to devm_platform_ioremap

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Date:   Sun, 22 Dec 2019 18:50:29 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     ssantosh@...nel.org, paul@...pouillou.net, matthias.bgg@...il.com,
        rogerq@...com, tony@...mide.com, lukasz.luba@....com,
        kgene@...nel.org, krzk@...nel.org, thierry.reding@...il.com,
        jonathanh@...dia.com, allison@...utok.net, tglx@...utronix.de,
        yong.wu@...iatek.com, jroedel@...e.de, evgreen@...omium.org,
        rfontana@...hat.com, digetx@...il.com, pdeschrijver@...dia.com,
        john@...ozen.org, alexios.zavras@...el.com, sboyd@...nel.org,
        kstewart@...uxfoundation.org, info@...ux.net,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-tegra@...r.kernel.org
Cc:     Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 4/9] memory: tegra: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/memory/tegra/mc.c           | 4 +---
 drivers/memory/tegra/tegra124-emc.c | 4 +---
 drivers/memory/tegra/tegra186.c     | 4 +---
 drivers/memory/tegra/tegra20-emc.c  | 4 +---
 4 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index ec8403557ed4..71390d4ad809 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -593,7 +593,6 @@ static __maybe_unused irqreturn_t tegra20_mc_irq(int irq, void *data)
 
 static int tegra_mc_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	struct tegra_mc *mc;
 	void *isr;
 	u64 mask;
@@ -619,8 +618,7 @@ static int tegra_mc_probe(struct platform_device *pdev)
 	/* length of MC tick in nanoseconds */
 	mc->tick = 30;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mc->regs = devm_ioremap_resource(&pdev->dev, res);
+	mc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mc->regs))
 		return PTR_ERR(mc->regs);
 
diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index 464f0ceaee63..2c73260654ba 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -1085,7 +1085,6 @@ static int tegra_emc_probe(struct platform_device *pdev)
 	struct platform_device *mc;
 	struct device_node *np;
 	struct tegra_emc *emc;
-	struct resource *res;
 	u32 ram_code;
 	int err;
 
@@ -1095,8 +1094,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
 
 	emc->dev = &pdev->dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	emc->regs = devm_ioremap_resource(&pdev->dev, res);
+	emc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(emc->regs))
 		return PTR_ERR(emc->regs);
 
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index 441213a35930..226d2b16036d 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -534,7 +534,6 @@ static const struct tegra_mc_client tegra186_mc_clients[] = {
 
 static int tegra186_mc_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	struct tegra_mc *mc;
 	unsigned int i;
 	int err = 0;
@@ -543,8 +542,7 @@ static int tegra186_mc_probe(struct platform_device *pdev)
 	if (!mc)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mc->regs = devm_ioremap_resource(&pdev->dev, res);
+	mc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mc->regs))
 		return PTR_ERR(mc->regs);
 
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 1b23b1c34476..d2efd0c658c0 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -482,7 +482,6 @@ static int tegra_emc_probe(struct platform_device *pdev)
 {
 	struct device_node *np;
 	struct tegra_emc *emc;
-	struct resource *res;
 	int irq, err;
 
 	/* driver has nothing to do in a case of memory timing absence */
@@ -518,8 +517,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	emc->regs = devm_ioremap_resource(&pdev->dev, res);
+	emc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(emc->regs))
 		return PTR_ERR(emc->regs);
 
-- 
2.17.1