linux-kernel - Re: [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and charging of backup battery

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20160106164136.GI12777@atomide.com>
Date:	Wed, 6 Jan 2016 08:41:36 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	"H. Nikolaus Schaller" <hns@...delico.com>
Cc:	Laxman Dewangan <ldewangan@...dia.com>, Nishanth Menon <nm@...com>,
	Benoît Cousson <bcousson@...libre.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-omap <linux-omap@...r.kernel.org>,
	devicetree@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Marek Belisko <marek@...delico.com>
Subject: Re: [PATCH 1/3] ARM: dts: omap5-board-common: enable rtc and
 charging of backup battery

Hi,

* H. Nikolaus Schaller <hns@...delico.com> [160106 00:12]:
> Am 06.01.2016 um 02:00 schrieb Tony Lindgren <tony@...mide.com>:
> > 
> > Also I'm not seeing just zeroes coming from RTC after typing hwclock
> > on omap5-uevm. It's working on x15 though.
> > 
> > Nikolaus, is hwclock command working for you on omap5-uevm?
> 
> Well, yes and no. It appears it *was* working when tested last time
> (we sometimes have months of delay for submitting patches upstream).
> 
> I have found an SD image with 4.3-rc6 with this patch in the dtb and
> there it works. With 4.4-rc8 it does not work. hwclock command hangs for
> 10 seconds (I guess some timeout).
> 
> I have checked the dtb and in both cases it is interrupts = <8 0>;
> 
> xxd /sys/firmware/devicetree/base/ocp/i2c@...70000/palmas@...rtc/interrupts
> 0000000: 0000 0008 0000 0000
> 
> So I think something has changed in the rtc driver or somewhere else.

I just gave it a try on v4.3-rc6 with omap5-uevm.dts patched for
RTC, and I still don't have hwclock working with RTC.

It seems you have some additional patches there that make it work?

I guess it could also be a bootloader change if it's a different
SD image that works for you.

Regards,

Tony
--
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/