linux-kernel - Re: [PATCH v7 2/3] clk: introduce the common clock framework

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Date:	Wed, 21 Mar 2012 13:46:28 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	"Turquette, Mike" <mturquette@...com>
Cc:	Paul Walmsley <paul@...an.com>,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	patches@...aro.org, Magnus Damm <magnus.damm@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Saravana Kannan <skannan@...eaurora.org>,
	linaro-dev@...ts.linaro.org,
	Jeremy Kerr <jeremy.kerr@...onical.com>,
	Arnd Bergman <arnd.bergmann@...aro.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v7 2/3] clk: introduce the common clock framework

On 21 March 2012 07:46, Turquette, Mike <mturquette@...com> wrote:
...
> As mentioned above, you'll still need to check for CLK_SET_RATE_PARENT
> in your .round_rate implementation with __clk_get_flags(hw->clk).
>
For my particular case, the clk is PLL with fixed rate clk
(oscillator) as parent.  It's known that flag CLK_SET_RATE_PARENT will
never be set for this type of clks.

> Did you want to send a formal patch or just have me absorb this into
> the fixes I'm brewing already?  I've already fixed the potential null
> ptr dereferences in clk_calc_new_rates, but that's no big deal.
>
The code was attached for better discussion, and I would leave the
formal patch to you.

Regards,
Shawn
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