diff options
Diffstat (limited to 'drivers/rtc/rtc-ep93xx.c')
| -rw-r--r-- | drivers/rtc/rtc-ep93xx.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index 8ec9ea1ca72e..dcdcdd06f30d 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c @@ -7,6 +7,7 @@ */ #include <linux/module.h> +#include <linux/mod_devicetable.h> #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -27,13 +28,12 @@ struct ep93xx_rtc { void __iomem *mmio_base; - struct rtc_device *rtc; }; static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload, unsigned short *delete) { - struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev); + struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev); unsigned long comp; comp = readl(ep93xx_rtc->mmio_base + EP93XX_RTC_SWCOMP); @@ -51,7 +51,7 @@ static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload, static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) { - struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev); + struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev); unsigned long time; time = readl(ep93xx_rtc->mmio_base + EP93XX_RTC_DATA); @@ -62,7 +62,7 @@ static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) static int ep93xx_rtc_set_time(struct device *dev, struct rtc_time *tm) { - struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev); + struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev); unsigned long secs = rtc_tm_to_time64(tm); writel(secs + 1, ep93xx_rtc->mmio_base + EP93XX_RTC_LOAD); @@ -122,6 +122,7 @@ static const struct attribute_group ep93xx_rtc_sysfs_files = { static int ep93xx_rtc_probe(struct platform_device *pdev) { struct ep93xx_rtc *ep93xx_rtc; + struct rtc_device *rtc; int err; ep93xx_rtc = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_rtc), GFP_KERNEL); @@ -134,23 +135,30 @@ static int ep93xx_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ep93xx_rtc); - ep93xx_rtc->rtc = devm_rtc_allocate_device(&pdev->dev); - if (IS_ERR(ep93xx_rtc->rtc)) - return PTR_ERR(ep93xx_rtc->rtc); + rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); - ep93xx_rtc->rtc->ops = &ep93xx_rtc_ops; - ep93xx_rtc->rtc->range_max = U32_MAX; + rtc->ops = &ep93xx_rtc_ops; + rtc->range_max = U32_MAX; - err = rtc_add_group(ep93xx_rtc->rtc, &ep93xx_rtc_sysfs_files); + err = rtc_add_group(rtc, &ep93xx_rtc_sysfs_files); if (err) return err; - return rtc_register_device(ep93xx_rtc->rtc); + return devm_rtc_register_device(rtc); } +static const struct of_device_id ep93xx_rtc_of_ids[] = { + { .compatible = "cirrus,ep9301-rtc" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ep93xx_rtc_of_ids); + static struct platform_driver ep93xx_rtc_driver = { .driver = { .name = "ep93xx-rtc", + .of_match_table = ep93xx_rtc_of_ids, }, .probe = ep93xx_rtc_probe, }; |