diff options
Diffstat (limited to 'drivers/rtc/rtc-m48t86.c')
| -rw-r--r-- | drivers/rtc/rtc-m48t86.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index 481c9525b1dd..10cd054fe86f 100644 --- a/drivers/rtc/rtc-m48t86.c +++ b/drivers/rtc/rtc-m48t86.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> +#include <linux/mod_devicetable.h> #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/bcd.h> @@ -40,7 +41,6 @@ struct m48t86_rtc_info { void __iomem *index_reg; void __iomem *data_reg; - struct rtc_device *rtc; }; static unsigned char m48t86_readb(struct device *dev, unsigned long addr) @@ -218,6 +218,7 @@ static bool m48t86_verify_chip(struct platform_device *pdev) static int m48t86_rtc_probe(struct platform_device *pdev) { struct m48t86_rtc_info *info; + struct rtc_device *rtc; unsigned char reg; int err; struct nvmem_config m48t86_nvmem_cfg = { @@ -249,17 +250,17 @@ static int m48t86_rtc_probe(struct platform_device *pdev) return -ENODEV; } - info->rtc = devm_rtc_allocate_device(&pdev->dev); - if (IS_ERR(info->rtc)) - return PTR_ERR(info->rtc); + rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); - info->rtc->ops = &m48t86_rtc_ops; + rtc->ops = &m48t86_rtc_ops; - err = devm_rtc_register_device(info->rtc); + err = devm_rtc_register_device(rtc); if (err) return err; - devm_rtc_nvmem_register(info->rtc, &m48t86_nvmem_cfg); + devm_rtc_nvmem_register(rtc, &m48t86_nvmem_cfg); /* read battery status */ reg = m48t86_readb(&pdev->dev, M48T86_D); @@ -269,9 +270,16 @@ static int m48t86_rtc_probe(struct platform_device *pdev) return 0; } +static const struct of_device_id m48t86_rtc_of_ids[] = { + { .compatible = "st,m48t86" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, m48t86_rtc_of_ids); + static struct platform_driver m48t86_rtc_platform_driver = { .driver = { .name = "rtc-m48t86", + .of_match_table = m48t86_rtc_of_ids, }, .probe = m48t86_rtc_probe, }; |