From: richard.zhao@linaro.org (Richard Zhao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: imx6q: add pll round_rate support
Date: Thu, 15 Mar 2012 23:15:23 +0800 [thread overview]
Message-ID: <20120315151521.GB5701@richard-laptop> (raw)
In-Reply-To: <20120315150048.GC3852@pengutronix.de>
On Thu, Mar 15, 2012 at 04:00:48PM +0100, Sascha Hauer wrote:
> On Thu, Mar 15, 2012 at 10:46:04PM +0800, Richard Zhao wrote:
> > On Wed, Mar 14, 2012 at 09:52:28AM +0100, Sascha Hauer wrote:
> > > On Wed, Mar 14, 2012 at 04:22:58PM +0800, Richard Zhao wrote:
> > > > Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
> > > > ---
> > > >
> > > > #define DEF_PLL(name) \
> > > > static struct clk name = { \
> > > > @@ -681,6 +741,7 @@ static int pll_set_rate(struct clk *clk, unsigned long rate)
> > > > .disable = pll_disable, \
> > > > .get_rate = name##_get_rate, \
> > > > .set_rate = name##_set_rate, \
> > > > + .round_rate = name##_round_rate, \
> > >
> > > I hope this ## stuff is gone soon with the generic clock framework. It
> > > is so ugly and inefficient.
> > I hope this doesn't prevent this two patches go in.
>
> Given that we are short from getting a generic clock framework (and I
> think this time it's for real) and that you are not mention in any words
> what these patches fix I don't see a reason for merging them.
I think the cpu clock is a great challenge for generic clock framework.
When it set_rate, it includes reparent, and change parent's parent's rate.
I don't see any upstream code like that till now. and it's really what
we need.
And it also block cpufreq from upstreaming.
Thanks
Richard
>
> Sascha
>
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next prev parent reply other threads:[~2012-03-15 15:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 8:22 [PATCH 0/2] improve imx6q arm_clk set rate Richard Zhao
2012-03-14 8:22 ` [PATCH 1/2] ARM: imx6q: add pll round_rate support Richard Zhao
2012-03-14 8:52 ` Sascha Hauer
2012-03-15 14:46 ` Richard Zhao
2012-03-15 15:00 ` Sascha Hauer
2012-03-15 15:07 ` Shawn Guo
2012-03-15 15:15 ` Richard Zhao [this message]
2012-03-15 18:50 ` Sascha Hauer
2012-03-16 1:10 ` Richard Zhao
2012-03-17 12:28 ` Sascha Hauer
2012-03-19 1:51 ` Richard Zhao
2012-03-19 2:48 ` Shawn Guo
2012-03-19 8:31 ` Sascha Hauer
2012-03-19 1:54 ` Richard Zhao
2012-03-14 8:22 ` [PATCH 2/2] ARM: imx6q: change pll1 rate when change arm_clk rate Richard Zhao
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