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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-09 21:59:43 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-11 16:42:55 +0200 |
| commit | 386b5941a0dd18dda24b459a421ddc51d5fb0371 (patch) | |
| tree | f753ebc70259eaba8f0406f9fb8397a52676af97 /drivers/rtc/rtc-ab3100.c | |
| parent | rtc: pcf85363: convert to SPDX identifier (diff) | |
| download | linux-386b5941a0dd18dda24b459a421ddc51d5fb0371.tar.xz linux-386b5941a0dd18dda24b459a421ddc51d5fb0371.zip | |
rtc: ab3100: set range
The ab3100 has a 48bit counter running at 65536 Hz (despite one of the
comment). The max value is then (2^48 - 1)/2^16 == 2^32 - 1.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-ab3100.c')
| -rw-r--r-- | drivers/rtc/rtc-ab3100.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c index 821ff52a2222..f73a3707b897 100644 --- a/drivers/rtc/rtc-ab3100.c +++ b/drivers/rtc/rtc-ab3100.c @@ -228,15 +228,17 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev) /* Ignore any error on this write */ } - rtc = devm_rtc_device_register(&pdev->dev, "ab3100-rtc", - &ab3100_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - err = PTR_ERR(rtc); - return err; - } + rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + rtc->ops = &ab3100_rtc_ops; + /* 48bit counter at (AB3100_RTC_CLOCK_RATE * 2) */ + rtc->range_max = U32_MAX; + platform_set_drvdata(pdev, rtc); - return 0; + return rtc_register_device(rtc); } static struct platform_driver ab3100_rtc_driver = { |