rtc: ds1511: rename pdata

pdata is not actually about patform_data, rename it to something local to
the driver.

Link: https://lore.kernel.org/r/20240227230431.1837717-11-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2024-02-28 00:04:26 +01:00
parent 418501fd53
commit 19922e8799

View File

@ -59,7 +59,7 @@
#define DS1511_WDS 0x01
#define DS1511_RAM_MAX 0x100
struct rtc_plat_data {
struct ds1511_data {
struct rtc_device *rtc;
void __iomem *ioaddr; /* virtual base address */
int irq;
@ -180,10 +180,10 @@ static void ds1511_rtc_alarm_enable(unsigned int enabled)
static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
struct ds1511_data *ds1511 = dev_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&pdata->lock, flags);
spin_lock_irqsave(&ds1511->lock, flags);
rtc_write(bin2bcd(alrm->time.tm_mday) & 0x3f, DS1511_AM4_DATE);
rtc_write(bin2bcd(alrm->time.tm_hour) & 0x3f, DS1511_AM3_HOUR);
rtc_write(bin2bcd(alrm->time.tm_min) & 0x7f, DS1511_AM2_MIN);
@ -191,7 +191,7 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
ds1511_rtc_alarm_enable(alrm->enabled);
rtc_read(DS1511_CONTROL_A); /* clear interrupts */
spin_unlock_irqrestore(&pdata->lock, flags);
spin_unlock_irqrestore(&ds1511->lock, flags);
return 0;
}
@ -210,29 +210,29 @@ static int ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static irqreturn_t ds1511_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
struct ds1511_data *ds1511 = platform_get_drvdata(pdev);
unsigned long events = 0;
spin_lock(&pdata->lock);
spin_lock(&ds1511->lock);
/*
* read and clear interrupt
*/
if (rtc_read(DS1511_CONTROL_A) & DS1511_IRQF) {
events = RTC_IRQF | RTC_AF;
rtc_update_irq(pdata->rtc, 1, events);
rtc_update_irq(ds1511->rtc, 1, events);
}
spin_unlock(&pdata->lock);
spin_unlock(&ds1511->lock);
return events ? IRQ_HANDLED : IRQ_NONE;
}
static int ds1511_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
struct ds1511_data *ds1511 = dev_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&pdata->lock, flags);
spin_lock_irqsave(&ds1511->lock, flags);
ds1511_rtc_alarm_enable(enabled);
spin_unlock_irqrestore(&pdata->lock, flags);
spin_unlock_irqrestore(&ds1511->lock, flags);
return 0;
}
@ -271,7 +271,7 @@ static int ds1511_nvram_write(void *priv, unsigned int pos, void *buf,
static int ds1511_rtc_probe(struct platform_device *pdev)
{
struct rtc_plat_data *pdata;
struct ds1511_data *ds1511;
int ret = 0;
struct nvmem_config ds1511_nvmem_cfg = {
.name = "ds1511_nvram",
@ -283,15 +283,15 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
.priv = &pdev->dev,
};
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
ds1511 = devm_kzalloc(&pdev->dev, sizeof(*ds1511), GFP_KERNEL);
if (!ds1511)
return -ENOMEM;
ds1511_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ds1511_base))
return PTR_ERR(ds1511_base);
pdata->ioaddr = ds1511_base;
pdata->irq = platform_get_irq(pdev, 0);
ds1511->ioaddr = ds1511_base;
ds1511->irq = platform_get_irq(pdev, 0);
/*
* turn on the clock and the crystal, etc.
@ -314,37 +314,37 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
if (rtc_read(DS1511_CONTROL_A) & DS1511_BLF1)
dev_warn(&pdev->dev, "voltage-low detected.\n");
spin_lock_init(&pdata->lock);
platform_set_drvdata(pdev, pdata);
spin_lock_init(&ds1511->lock);
platform_set_drvdata(pdev, ds1511);
pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(pdata->rtc))
return PTR_ERR(pdata->rtc);
ds1511->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(ds1511->rtc))
return PTR_ERR(ds1511->rtc);
pdata->rtc->ops = &ds1511_rtc_ops;
ds1511->rtc->ops = &ds1511_rtc_ops;
/*
* if the platform has an interrupt in mind for this device,
* then by all means, set it
*/
if (pdata->irq > 0) {
if (ds1511->irq > 0) {
rtc_read(DS1511_CONTROL_A);
if (devm_request_irq(&pdev->dev, pdata->irq, ds1511_interrupt,
if (devm_request_irq(&pdev->dev, ds1511->irq, ds1511_interrupt,
IRQF_SHARED, pdev->name, pdev) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
pdata->irq = 0;
ds1511->irq = 0;
}
}
if (pdata->irq == 0)
clear_bit(RTC_FEATURE_ALARM, pdata->rtc->features);
if (ds1511->irq == 0)
clear_bit(RTC_FEATURE_ALARM, ds1511->rtc->features);
ret = devm_rtc_register_device(pdata->rtc);
ret = devm_rtc_register_device(ds1511->rtc);
if (ret)
return ret;
devm_rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
devm_rtc_nvmem_register(ds1511->rtc, &ds1511_nvmem_cfg);
return 0;
}