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rtc: armada38x: zalloc + calloc to single allocation

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Use a flexible array member to simplify allocation.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://patch.msgid.link/20260304225329.24510-1-rosenp@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Rosen Penev 2026-03-04 14:53:29 -08:00 committed by Alexandre Belloni
parent 5ff89ef425
commit 5827fe5974
1 changed files with 2 additions and 7 deletions
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9
drivers/rtc/rtc-armada38x.c
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@ -72,8 +72,8 @@ struct armada38x_rtc {
spinlock_t lock;
int irq;
bool initialized;
struct value_to_freq *val_to_freq;
const struct armada38x_rtc_data *data;
struct value_to_freq val_to_freq[];
};
#define ALARM1 0
@ -490,18 +490,13 @@ static __init int armada38x_rtc_probe(struct platform_device *pdev)
{
struct armada38x_rtc *rtc;
rtc = devm_kzalloc(&pdev->dev, sizeof(struct armada38x_rtc),
rtc = devm_kzalloc(&pdev->dev, struct_size(rtc, val_to_freq, SAMPLE_NR),
GFP_KERNEL);
if (!rtc)
return -ENOMEM;
rtc->data = of_device_get_match_data(&pdev->dev);
rtc->val_to_freq = devm_kcalloc(&pdev->dev, SAMPLE_NR,
sizeof(struct value_to_freq), GFP_KERNEL);
if (!rtc->val_to_freq)
return -ENOMEM;
spin_lock_init(&rtc->lock);
rtc->regs = devm_platform_ioremap_resource_byname(pdev, "rtc");