linux-kernel - Re: [PATCH 1/4] rtc: sa1100: enable/disable rtc when probe/remove the device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 3 Dec 2012 09:48:29 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Chao Xie <xiechao.mail@...il.com>
Cc:	Haojian Zhuang <haojian.zhuang@...il.com>,
	Chao Xie <chao.xie@...vell.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/4] rtc: sa1100: enable/disable rtc when probe/remove
	the device

On Mon, Dec 03, 2012 at 10:53:07AM +0800, Chao Xie wrote:
> I want to correct what i said. For the irq register/unregister i think
> can be done at open/release. But for clock enable/disable, i do not
> think so. If clock is disabled, as i think RTC will not work. User API
> still use open->get_time->close for "date" command. It means that RTC
> will not return correct date to user.

"I think" is not good enough for patches like this.  Please test it.

On SA11x0 and PXA platforms, the clock for the sa1100-rtc is a dummy
clock; it has no effect.  For MMP, I don't have access to the TRMs so
that's something you're going to have to find out.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/