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rtc: tps6594: introduce private structure as drvdata

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This patch will prepare for the next one (power management support) by
introducing struct tps6594_rtc.

No functionnal change.

Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Link: https://lore.kernel.org/r/20240618141851.1810000-3-richard.genoud@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Richard Genoud 2024-06-18 16:18:50 +02:00 committed by Alexandre Belloni
parent 94d4154792
commit 29bf97586f
1 changed files with 20 additions and 12 deletions
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32
drivers/rtc/rtc-tps6594.c
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@ -42,6 +42,10 @@
// Multiplier for ppb conversions // Multiplier for ppb conversions
#define PPB_MULT NANO #define PPB_MULT NANO
struct tps6594_rtc {
struct rtc_device *rtc_dev;
};
static int tps6594_rtc_alarm_irq_enable(struct device *dev, static int tps6594_rtc_alarm_irq_enable(struct device *dev,
unsigned int enabled) unsigned int enabled)
{ {
@ -325,11 +329,11 @@ static int tps6594_rtc_set_offset(struct device *dev, long offset)
return tps6594_rtc_set_calibration(dev, calibration); return tps6594_rtc_set_calibration(dev, calibration);
} }
static irqreturn_t tps6594_rtc_interrupt(int irq, void *rtc) static irqreturn_t tps6594_rtc_interrupt(int irq, void *data)
{ {
struct device *dev = rtc; struct device *dev = data;
struct tps6594 *tps = dev_get_drvdata(dev->parent); struct tps6594 *tps = dev_get_drvdata(dev->parent);
struct rtc_device *rtc_dev = dev_get_drvdata(dev); struct tps6594_rtc *rtc = dev_get_drvdata(dev);
int ret; int ret;
u32 rtc_reg; u32 rtc_reg;
@ -337,7 +341,7 @@ static irqreturn_t tps6594_rtc_interrupt(int irq, void *rtc)
if (ret) if (ret)
return IRQ_NONE; return IRQ_NONE;
rtc_update_irq(rtc_dev, 1, RTC_IRQF | RTC_AF); rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);
return IRQ_HANDLED; return IRQ_HANDLED;
} }
@ -356,13 +360,17 @@ static int tps6594_rtc_probe(struct platform_device *pdev)
{ {
struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent);
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
struct rtc_device *rtc; struct tps6594_rtc *rtc;
int irq; int irq;
int ret; int ret;
rtc = devm_rtc_allocate_device(dev); rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);
if (IS_ERR(rtc)) if (!rtc)
return PTR_ERR(rtc); return -ENOMEM;
rtc->rtc_dev = devm_rtc_allocate_device(dev);
if (IS_ERR(rtc->rtc_dev))
return PTR_ERR(rtc->rtc_dev);
// Enable crystal oscillator. // Enable crystal oscillator.
ret = regmap_set_bits(tps->regmap, TPS6594_REG_RTC_CTRL_2, ret = regmap_set_bits(tps->regmap, TPS6594_REG_RTC_CTRL_2,
@ -423,11 +431,11 @@ static int tps6594_rtc_probe(struct platform_device *pdev)
return dev_err_probe(dev, ret, return dev_err_probe(dev, ret,
"Failed to init rtc as wakeup source\n"); "Failed to init rtc as wakeup source\n");
rtc->ops = &tps6594_rtc_ops; rtc->rtc_dev->ops = &tps6594_rtc_ops;
rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; rtc->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000;
rtc->range_max = RTC_TIMESTAMP_END_2099; rtc->rtc_dev->range_max = RTC_TIMESTAMP_END_2099;
return devm_rtc_register_device(rtc); return devm_rtc_register_device(rtc->rtc_dev);
} }
static const struct platform_device_id tps6594_rtc_id_table[] = { static const struct platform_device_id tps6594_rtc_id_table[] = {