linux-kernel - Re: [PATCH] rtc: efi: Fail probing if RTC reads don't work

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Date:	Mon, 6 Jun 2016 17:08:05 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Alexander Graf <agraf@...e.de>
Cc:	rtc-linux@...glegroups.com, leif.lindholm@...aro.org,
	linux-kernel@...r.kernel.org,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>
Subject: Re: [PATCH] rtc: efi: Fail probing if RTC reads don't work

On 05/06/2016 at 11:35:56 +0200, Alexander Graf wrote :
> While the EFI spec mandates an RTC, not every implementation actually adheres
> to that rule (or can adhere to it - some systems just don't have an RTC).
> 
> For those, we really don't want to probe the EFI RTC driver at all, because if
> we do we'd get a non-functional driver that does nothing useful but only spills
> our kernel log with warnings.
> 
> Signed-off-by: Alexander Graf <agraf@...e.de>
> ---
>  drivers/rtc/rtc-efi.c | 6 ++++++
>  1 file changed, 6 insertions(+)
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com