Re: [PATCH RT] rtc: Disable RTC_DRV_EFI on RT

From: Ard Biesheuvel
Date: Thu Jul 26 2018 - 08:52:27 EST




> On 26 Jul 2018, at 14:46, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:
>
>> On 2018-07-26 14:26:25 [+0200], Ard Biesheuvel wrote:
>> What i mean is whatever you end up with if you pass efi=noruntime to the kernel.
> ah. So I wouldn't have to patch this, just document it. That might work.
>

We could also make it the default on -rt, but not disable it entirely, so that efi=runtime can be used to re-enable it.


>> But as i mentioned before, you may also lose the ability to reboot/shut down your system this way. Can you please double check?
>
> I checked before posting the patch. psci is used instead (on softiron
> here, have nothing else). psci_sys_poweroff() works.
>
> Sebastian