linux-kernel - Re: [PATCH v3 4/5] clk: Hi6220: add stub clock driver

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] [day] [month] [year] [list]

Message-ID: <20150902015235.GA7763@leoy-linaro>
Date:	Wed, 2 Sep 2015 09:52:35 +0800
From:	Leo Yan <leo.yan@...aro.org>
To:	Kevin Hilman <khilman@...nel.org>
Cc:	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>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Wei Xu <xuwei5@...ilicon.com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Bintian Wang <bintian.wang@...wei.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, linux-clk@...r.kernel.org,
	Guodong Xu <guodong.xu@...aro.org>,
	Jian Zhang <zhangjian001@...ilicon.com>,
	Zhenwei Wang <Zhenwei.wang@...ilicon.com>,
	Haoju Mo <mohaoju@...ilicon.com>,
	Dan Zhao <dan.zhao@...ilicon.com>, sunzhaosheng@...ilicon.com,
	victor.lixin@...ilicon.com, Tyler Baker <tyler.baker@...aro.org>
Subject: Re: [PATCH v3 4/5] clk: Hi6220: add stub clock driver

Hi Kevin,

On Tue, Sep 01, 2015 at 05:28:03PM -0700, Kevin Hilman wrote:
> On Sun, Aug 2, 2015 at 6:13 PM, Leo Yan <leo.yan@...aro.org> wrote:
> > On Hi6220, there have some clocks which can use mailbox channel to send
> > messages to power controller to change frequency; this includes CPU, GPU
> > and DDR clocks.
> >
> > For dynamic frequency scaling, firstly need write the frequency value to
> > SRAM region, and then send message to mailbox to trigger power controller
> > to handle this requirement. This driver will use syscon APIs to pass SRAM
> > memory region and use common mailbox APIs for channels accessing.
> >
> > This init driver will support cpu frequency change firstly.
> >
> > Signed-off-by: Leo Yan <leo.yan@...aro.org>
> 
> The kernelci.org build/boot bot detected boot failures in
> linux-next[1], and the failure was bisected down to this patch (landed
> in linux-next as commit c1628a2c416da947f5afac615d53189250fa49cb.
> 
> I verifed that reverting this commit on top of next-20150901 gets the
> hikey booting again.

Thanks for reporting. This issue has been confirmed at my side, it's
caused by the patch have added dependency with MAILBOX, will fix this
issue and send patch.

Thanks,
Leo Yan
--
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/