Hello Kevin,
On Fri, Oct 10, 2014 at 1:34 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
> Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx> writes:
>
>> Commit 43eeaa42e03a ("ARM: exynos_defconfig: savedefconfig") removed a
>> set of Kconfig symbols. For most of them there were no functional change
>> since are selected by other Kconfig options or were deprecated but some
>> options are not explicitly selected so they should not had been removed.
>>
>> The options that have to be enabled are USB gadget and the MAX77802 PMIC
>> support which were enabled in commits:
>>
>> 508423bebcda ("ARM: exynos_defconfig: enable USB gadget support")
>> 6e80e3d87549 ("ARM: exynos_defconfig: Enable MAX77802")
>>
>> Enable those options to leave the config in the state before the change.
>>
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
>
> Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>
> Tested-by: Kevin Hilman <khilman@xxxxxxxxxx>
Thanks for testing.
>
> This is needed to get RTC wakeup from suspend working on
> exynos5800-peach-pi.
>
> Note that the s3c-rtc works fine, but the max77802-rtc doesn't seem to
> work be functional for me:
>
> [ 2.408178] max77802-rtc max77802-rtc: rtc core: registered max77802-rtc as rtc0
> [ 3.595485] s3c-rtc 101e0000.rtc: rtc core: registered s3c as rtc1
>
> root@(none):/# hwclock --rtc /dev/rtc0
> hwclock: ioctl(RTC_RD_TIME) to /dev/rtc0 to read the time failed:
> Invalid argument
> root@(none):/# hwclock --rtc /dev/rtc1
> Thu Oct 9 23:33:06 2014 -0.111978 seconds
>
Strange, I don't get that error when testing on my Peach Pit with
linux-next + $subject
[ 2.311591] max77802-rtc max77802-rtc: rtc core: registered
max77802-rtc as rtc0
[ 3.594438] s3c-rtc 101e0000.rtc: rtc core: registered s3c as rtc1
# hwclock --rtc /dev/rtc0
Fri 10 Oct 2014 12:19:23 PM UTC -0.909103 seconds
# hwclock --rtc /dev/rtc1
Fri 10 Oct 2014 12:19:26 PM UTC -0.719862 seconds
I'll take a look but if you have a test case that makes it fail
consistently that would be really helpful.
Best regards,
Javier
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