linux-kernel - [PATCH] input: imx6ul_tsc: use devm_platform_ioremap

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Date:   Mon, 1 Apr 2019 05:19:55 +0000
From:   Anson Huang <anson.huang@....com>
To:     "dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH] input: imx6ul_tsc: use devm_platform_ioremap_resource() to
 simplify code

Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together, to
simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/input/touchscreen/imx6ul_tsc.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index c10fc59..e04eecd 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -364,8 +364,6 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct imx6ul_tsc *tsc;
 	struct input_dev *input_dev;
-	struct resource *tsc_mem;
-	struct resource *adc_mem;
 	int err;
 	int tsc_irq;
 	int adc_irq;
@@ -403,16 +401,14 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	tsc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	tsc->tsc_regs = devm_ioremap_resource(&pdev->dev, tsc_mem);
+	tsc->tsc_regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(tsc->tsc_regs)) {
 		err = PTR_ERR(tsc->tsc_regs);
 		dev_err(&pdev->dev, "failed to remap tsc memory: %d\n", err);
 		return err;
 	}
 
-	adc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	tsc->adc_regs = devm_ioremap_resource(&pdev->dev, adc_mem);
+	tsc->adc_regs = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(tsc->adc_regs)) {
 		err = PTR_ERR(tsc->adc_regs);
 		dev_err(&pdev->dev, "failed to remap adc memory: %d\n", err);
-- 
2.7.4