linux-kernel - Re: [PATCH v2] rtc: pcf8563 fix: return -EINVAL if we read an invalid time.

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Date:	Thu, 28 May 2015 08:40:47 +0200
From:	Jan Kardell <jan.kardell@...liq.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:	Alessandro Zummo <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org,
	Vincent Donnefort <vdonnefort@...il.com>,
	Dan Carpenter <dan.carpenter@...cle.com>, oen@...liq.com
Subject: Re: [PATCH v2] rtc: pcf8563 fix: return -EINVAL if we read an
 invalid time.

Alexandre Belloni skrev:
> Hi,
>
> On 27/05/2015 at 14:48:16 +0200, Jan Kardell wrote :
>> @@ -204,6 +204,7 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
>>   		pcf8563->voltage_low = 1;
>>   		dev_info(&client->dev,
> Aren't dev_err or dev_warn more appropriate? You used dev_err in your
> first patch, what made you change your mind?
Your comment to the first patch. But I interpreted it to broadly.
I'll change it back to dev_err.
>
>>   			"low voltage detected, date/time is not reliable.\n");
>> +		return -EINVAL;
>>   	}
>>   
>>   	dev_dbg(&client->dev,

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