diff mbox series

[v3,5/7] rtc:rtc-sa1100:Use devm_clk_get_enabled() helpers

Message ID 20240829121455.16854-6-liaoyuanhong@vivo.com
State Rejected
Headers show
Series rtc:Use devm_clk_get_enabled() helpers | expand

Commit Message

Liao Yuanhong Aug. 29, 2024, 12:14 p.m. UTC 
Use devm_clk_get_enabled() instead of clk functions in rtc-sa1100.

Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
---
v2:remove the clk field in struct sa1100_rtc.
---
 drivers/rtc/rtc-sa1100.c | 15 +++++----------
 drivers/rtc/rtc-sa1100.h |  2 --
 2 files changed, 5 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 0b2cfa8ca05b..c1e9ec40de18 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -174,18 +174,16 @@  static const struct rtc_class_ops sa1100_rtc_ops = {
 int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)
 {
 	int ret;
+	struct clk *clk;
 
 	spin_lock_init(&info->lock);
 
-	info->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(info->clk)) {
+	clk = devm_clk_get_enabled(&pdev->dev, NULL);
+	if (IS_ERR(clk)) {
 		dev_err(&pdev->dev, "failed to find rtc clock source\n");
-		return PTR_ERR(info->clk);
+		return PTR_ERR(clk);
 	}
 
-	ret = clk_prepare_enable(info->clk);
-	if (ret)
-		return ret;
 	/*
 	 * According to the manual we should be able to let RTTR be zero
 	 * and then a default diviser for a 32.768KHz clock is used.
@@ -206,10 +204,8 @@  int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)
 	info->rtc->range_max = U32_MAX;
 
 	ret = devm_rtc_register_device(info->rtc);
-	if (ret) {
-		clk_disable_unprepare(info->clk);
+	if (ret)
 		return ret;
-	}
 
 	/* Fix for a nasty initialization problem the in SA11xx RTSR register.
 	 * See also the comments in sa1100_rtc_interrupt().
@@ -305,7 +301,6 @@  static void sa1100_rtc_remove(struct platform_device *pdev)
 		spin_lock_irq(&info->lock);
 		writel_relaxed(0, info->rtsr);
 		spin_unlock_irq(&info->lock);
-		clk_disable_unprepare(info->clk);
 	}
 }
 
diff --git a/drivers/rtc/rtc-sa1100.h b/drivers/rtc/rtc-sa1100.h
index cc724f5b07bc..cb8c2959f560 100644
--- a/drivers/rtc/rtc-sa1100.h
+++ b/drivers/rtc/rtc-sa1100.h
@@ -4,7 +4,6 @@ 
 
 #include <linux/kernel.h>
 
-struct clk;
 struct platform_device;
 
 struct sa1100_rtc {
@@ -16,7 +15,6 @@  struct sa1100_rtc {
 	int			irq_1hz;
 	int			irq_alarm;
 	struct rtc_device	*rtc;
-	struct clk		*clk;
 };
 
 int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info);