linux-kernel - [PATCH 06/10] Input: pxa27x_keypad - Convert to devm_platform_ioremap

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Message-Id: <20230705052346.39337-6-frank.li@vivo.com>
Date:   Wed,  5 Jul 2023 13:23:42 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Yangtao Li <frank.li@...o.com>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 06/10] Input: pxa27x_keypad - Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/input/keyboard/pxa27x_keypad.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 871f858d0ba7..3724363d140e 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -717,7 +717,6 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct pxa27x_keypad *keypad;
 	struct input_dev *input_dev;
-	struct resource *res;
 	int irq, error;
 
 	/* Driver need build keycode from device tree or pdata */
@@ -728,12 +727,6 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return -ENXIO;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "failed to get I/O memory\n");
-		return -ENXIO;
-	}
-
 	keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad),
 			      GFP_KERNEL);
 	if (!keypad)
@@ -747,7 +740,7 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
 	keypad->input_dev = input_dev;
 	keypad->irq = irq;
 
-	keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res);
+	keypad->mmio_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(keypad->mmio_base))
 		return PTR_ERR(keypad->mmio_base);
 
-- 
2.39.0