diff options
Diffstat (limited to 'drivers/rtc/rtc-bq4802.c')
| -rw-r--r-- | drivers/rtc/rtc-bq4802.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index bd170cb3361c..472e75668917 100644 --- a/drivers/rtc/rtc-bq4802.c +++ b/drivers/rtc/rtc-bq4802.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* rtc-bq4802.c: TI BQ4802 RTC driver. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> @@ -48,8 +49,7 @@ static void bq4802_write_mem(struct bq4802 *p, int off, u8 val) static int bq4802_read_time(struct device *dev, struct rtc_time *tm) { - struct platform_device *pdev = to_platform_device(dev); - struct bq4802 *p = platform_get_drvdata(pdev); + struct bq4802 *p = dev_get_drvdata(dev); unsigned long flags; unsigned int century; u8 val; @@ -91,8 +91,7 @@ static int bq4802_read_time(struct device *dev, struct rtc_time *tm) static int bq4802_set_time(struct device *dev, struct rtc_time *tm) { - struct platform_device *pdev = to_platform_device(dev); - struct bq4802 *p = platform_get_drvdata(pdev); + struct bq4802 *p = dev_get_drvdata(dev); u8 sec, min, hrs, day, mon, yrs, century, val; unsigned long flags; unsigned int year; @@ -164,6 +163,10 @@ static int bq4802_probe(struct platform_device *pdev) } else if (p->r->flags & IORESOURCE_MEM) { p->regs = devm_ioremap(&pdev->dev, p->r->start, resource_size(p->r)); + if (!p->regs){ + err = -ENOMEM; + goto out; + } p->read = bq4802_read_mem; p->write = bq4802_write_mem; } else { |