Commit 386b5941 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

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: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 56573ca7

drivers/rtc/rtc-ab3100.c

+9 −7
Original line number Diff line number Diff line
@@ -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 = {