linux-kernel - Re: [PATCH RT] rtc: Disable RTC_DRV

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Message-ID: <20180726124613.xgmidioqd4mcqpiw@linutronix.de>
Date:   Thu, 26 Jul 2018 14:46:13 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-rt-users@...r.kernel.org,
        Marc Zyngier <marc.zyngier@....com>,
        linux-efi <linux-efi@...r.kernel.org>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>
Subject: Re: [PATCH RT] rtc: Disable RTC_DRV_EFI on RT

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.

> 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