linux-kernel - Re: [PATCH 1/6] clk: tegra: don't abort clk init on error

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Message-ID: <53CE9C5F.1030005@wwwdotorg.org>
Date:	Tue, 22 Jul 2014 11:16:15 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
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>,
	Thierry Reding <thierry.reding@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Mike Turquette <mturquette@...aro.org>,
	Joseph Lo <josephl@...dia.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Tuomas Tynkkynen <ttynkkynen@...dia.com>,
	devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/6] clk: tegra: don't abort clk init on error

On 07/15/2014 09:24 AM, Peter De Schrijver wrote:
> Just continue initializing clocks if there's an error on one of them. This
> is useful if there's a mistake in the inittable, because the system could
> hang if clk_disable_unused() disables some of the critical clocks in this
> table.

If there's a problem in the init table, we should simply fix it instead
of working around it.

At the very least, we need to WARN on this rather than just ignoring
problems.
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