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[v2,09/16] rtc: meson-vrtc: drop needless struct meson_vrtc_data::rtc member

Message ID 20250304-rtc-cleanups-v2-9-d4689a71668c@linaro.org (mailing list archive)
State New
Headers show
Series a few rtc driver cleanups | expand

Commit Message

André Draszik March 4, 2025, 5:05 p.m. UTC 
The memory pointed to by the ::rtc member is managed via devres, and
no code in this driver uses it past _probe().

We can drop it from the structure and just use a local temporary
variable, reducing runtime memory consumption by a few bytes.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
---
 drivers/rtc/rtc-meson-vrtc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/rtc/rtc-meson-vrtc.c b/drivers/rtc/rtc-meson-vrtc.c
index 5849729f7d01d7ec7868ff3bbdc5ed599aaa8238..7d38258cbe376e5a1b2af6250cb6d04c313175fb 100644
--- a/drivers/rtc/rtc-meson-vrtc.c
+++ b/drivers/rtc/rtc-meson-vrtc.c
@@ -13,7 +13,6 @@ 
 
 struct meson_vrtc_data {
 	void __iomem *io_alarm;
-	struct rtc_device *rtc;
 	unsigned long alarm_time;
 	bool enabled;
 };
@@ -65,6 +64,7 @@  static const struct rtc_class_ops meson_vrtc_ops = {
 static int meson_vrtc_probe(struct platform_device *pdev)
 {
 	struct meson_vrtc_data *vrtc;
+	struct rtc_device *rtc;
 
 	vrtc = devm_kzalloc(&pdev->dev, sizeof(*vrtc), GFP_KERNEL);
 	if (!vrtc)
@@ -78,12 +78,12 @@  static int meson_vrtc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, vrtc);
 
-	vrtc->rtc = devm_rtc_allocate_device(&pdev->dev);
-	if (IS_ERR(vrtc->rtc))
-		return PTR_ERR(vrtc->rtc);
+	rtc = devm_rtc_allocate_device(&pdev->dev);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
 
-	vrtc->rtc->ops = &meson_vrtc_ops;
-	return devm_rtc_register_device(vrtc->rtc);
+	rtc->ops = &meson_vrtc_ops;
+	return devm_rtc_register_device(rtc);
 }
 
 static int __maybe_unused meson_vrtc_suspend(struct device *dev)