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

From: André Draszik
Date: Tue Mar 04 2025 - 12:36:28 EST


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@xxxxxxxxxx>
---
drivers/rtc/rtc-meson-vrtc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

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)

--
2.48.1.711.g2feabab25a-goog