linux-kernel - Re: [PATCH 1/2] rtc/ia64: remove legacy efirtc driver

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Date:   Wed, 23 Oct 2019 11:46:16 -0700
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, Alessandro Zummo <a.zummo@...ertech.it>,
        linux-ia64@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>,
        Stephane Eranian <eranian@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] rtc/ia64: remove legacy efirtc driver

On Wed, Oct 23, 2019 at 05:01:58PM +0200, Arnd Bergmann wrote:
> There are two EFI RTC drivers, the original drivers/char/efirtc.c
> driver and the more modern drivers/rtc/rtc-efi.c.
> 
> Both implement the same interface, but the new one does so
> in a more portable way.
> 
> Move everything over to that one and remove the old one.

The new one is more talkative that the old one. I see this extra
line on the console when I boot ia64:

rtc-efi rtc-efi: setting system clock to 2019-10-23T18:30:23 UTC (1571855423)

That seems somewhat useful & informative (though the repeated "rtc-efi"
at the start of the line is redundant).

Acked-by: Tony Luck <tony.luck@...el.com>

-Tony