linux-kernel - [PATCH 1/3] clocksource: em_sti: convert to devm_platform_ioremap

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Date:   Sun, 15 Dec 2019 15:17:05 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     daniel.lezcano@...aro.org, tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 1/3] clocksource: em_sti: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.
BTW, do another small cleanup.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/clocksource/em_sti.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index 9039df4f90e2..ab190dffb1ed 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -279,9 +279,7 @@ static void em_sti_register_clockevent(struct em_sti_priv *p)
 static int em_sti_probe(struct platform_device *pdev)
 {
 	struct em_sti_priv *p;
-	struct resource *res;
-	int irq;
-	int ret;
+	int irq, ret;
 
 	p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
 	if (p == NULL)
@@ -295,8 +293,7 @@ static int em_sti_probe(struct platform_device *pdev)
 		return irq;
 
 	/* map memory, let base point to the STI instance */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	p->base = devm_ioremap_resource(&pdev->dev, res);
+	p->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(p->base))
 		return PTR_ERR(p->base);
 
-- 
2.17.1