linux-kernel - Re: [PATCH V2 RESEND] clk: mxs: Fix invalid 32-bit access to frac registers

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Date:	Thu, 12 Feb 2015 19:59:00 +0100 (CET)
From:	Stefan Wahren <stefan.wahren@...e.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	Sascha Hauer <kernel@...gutronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Shawn Guo <shawn.guo@...aro.org>,
	Mike Turquette <mturquette@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Marek Vasut <marex@...x.de>, Zhi Li <lznuaa@...il.com>
Subject: Re: [PATCH V2 RESEND] clk: mxs: Fix invalid 32-bit access to frac
 registers

Hi Fabio,

> Fabio Estevam <festevam@...il.com> hat am 11. Februar 2015 um 22:10
> geschrieben:
>
>
> On Wed, Feb 11, 2015 at 6:31 PM, Stefan Wahren <stefan.wahren@...e.com> wrote:
>
> >> I always get 0x5e5b5513 with or without your patch.
> >
> > very strange. Do you have any idea why IO1_STABLE is permanent low?
>
> On my case it is always 1.

i expected the same behavior on my hardware.

Do you use u-boot as bootloader?

>
> > Can you confirm the behavior according to your flash issue?
>
> In my tests IO1_STABLE stays the same.

This wasn't the intension of my second question. I wanted to know about the
state of the SPI NOR flash detection process.

Does it sucessed if you apply the patch, but revert the changes in
clk_ref_set_rate() from clk-ref.c?

>
> > I think it would be the best to revert my patch. Sorry for the trouble.
>
> To be on the safe side, I agree.
>
> Could you please send a revert patch?

Sure.

>
> Thanks
>

Stefan
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