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Subject[PATCH 1/4] rtc: mc13xxx: set range
Date
All supported PMICs have a 15 bits days counter and hours, minutes, seconds

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-mc13xxx.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c
index 0fa33708fc49..5c2862fcb2df 100644
--- a/drivers/rtc/rtc-mc13xxx.c
+++ b/drivers/rtc/rtc-mc13xxx.c
@@ -285,8 +285,15 @@ static int __init mc13xxx_rtc_probe(struct platform_device *pdev)
priv->mc13xxx = mc13xxx;
priv->valid = 1;

+ priv->rtc = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(priv->rtc))
+ return PTR_ERR(priv->rtc);
platform_set_drvdata(pdev, priv);

+ priv->rtc->ops = &mc13xxx_rtc_ops;
+ /* 15bit days + hours, minutes, seconds */
+ priv->rtc->range_max = (timeu64_t)(1 << 15) * SEC_PER_DAY - 1;
+
mc13xxx_lock(mc13xxx);

mc13xxx_irq_ack(mc13xxx, MC13XXX_IRQ_RTCRST);
@@ -303,8 +310,9 @@ static int __init mc13xxx_rtc_probe(struct platform_device *pdev)

mc13xxx_unlock(mc13xxx);

- priv->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
- &mc13xxx_rtc_ops, THIS_MODULE);
+ ret = rtc_register_device(priv->rtc);
+ if (ret)
+ goto err_irq_request;

return 0;

--
2.20.1
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