Re: [PATCH] rtc: support for rv4162c7

From: Tomas Krcka
Date: Thu Apr 14 2016 - 03:24:47 EST


Hi,
ok, good. Thanks.
Patch is not needed.

2016-04-14 9:19 GMT+02:00 Alexandre Belloni
<alexandre.belloni@xxxxxxxxxxxxxxxxxx>:
> Hi,
>
> On 14/04/2016 at 08:29:47 +0200, Tomas Krcka wrote :
>> Hi,
>> that's correct, but idetification of this chip is rv4162c7 so
>> i2c_match_id() returns NULL.
>> If it's there any workaround, how the chip can be detected
>> automatically then OK, but without this patch it doesn't work for me.
>>
>
> Just use rv4162 as your compatible string. That is what the mainline dtsi
> is doing for the phycore som:
>
> $ grep -C 2 rv4162 arch/arm/boot/dts/am335x-phycore-som.dtsi
>
> i2c_rtc: rtc@68 {
> compatible = "rv4162";
> reg = <0x68>;
> status = "disabled";
>
>
>> 2016-04-14 0:49 GMT+02:00 Alexandre Belloni
>> <alexandre.belloni@xxxxxxxxxxxxxxxxxx>:
>> > Hi,
>> >
>> > On 13/04/2016 at 22:39:39 +0200, Tomas Krcka wrote :
>> >> This patch is for support of rv4162c7 RTC chip.
>> >> The device has same parameters as rv4162, but with different identification.
>> >> Tested with PhyTec module AM335x.
>> >>
>> >
>> > Well, technically, it is an rv4162. rv4162-c7 is the only available one.
>> > So this patch is not necessary.
>> >
>> >> Signed-off-by: Tomas Krcka <tomas.krcka@xxxxxxxxxx>
>> >>
>> >> ---
>> >> drivers/rtc/rtc-m41t80.c | 1 +
>> >> 1 file changed, 1 insertion(+)
>> >>
>> >> diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
>> >> index d107a8e..1aa57d8 100644
>> >> --- a/drivers/rtc/rtc-m41t80.c
>> >> +++ b/drivers/rtc/rtc-m41t80.c
>> >> @@ -81,6 +81,7 @@ static const struct i2c_device_id m41t80_id[] = {
>> >> { "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
>> >> { "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
>> >> { "rv4162", M41T80_FEATURE_SQ | M41T80_FEATURE_WD | M41T80_FEATURE_SQ_ALT },
>> >> + { "rv4162c7", M41T80_FEATURE_SQ | M41T80_FEATURE_WD | M41T80_FEATURE_SQ_ALT },
>> >> { }
>> >> };
>> >> MODULE_DEVICE_TABLE(i2c, m41t80_id);
>> >> -- 1.9.1
>> >>
>> >
>> > --
>> > Alexandre Belloni, Free Electrons
>> > Embedded Linux, Kernel and Android engineering
>> > http://free-electrons.com
>
> --
> Alexandre Belloni, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com