linux-kernel - Re: RTC_DRV_CMOS can break userspace interface

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Date:	Fri, 1 Jun 2007 09:46:06 +0200
From:	Tino Keitel <tino.keitel@....de>
To:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: RTC_DRV_CMOS can break userspace interface

On Thu, May 31, 2007 at 11:26:04 +0100, Matthew Garrett wrote:
> On Thu, May 31, 2007 at 06:32:29AM +0200, Tino Keitel wrote:
> 
> > rtc_cmos 00:09: rtc core: registered rtc_cmos as rtc0
> > rtc_cmos: probe of 00:09 failed with error -16
> > drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> 
> Try unsetting CONFIG_RTC - you can't use the legacy driver at the same 
> time as the new one.

Yes, you are right. I think this issue should be covered by Kconfig.

However:

$ cat wakealarm 
cat: wakealarm: Input/output error

It worked with /proc/acpi/alarm before.

Regards,
Tino
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