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

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Date:	Sun, 28 Dec 2014 19:30:17 +0100
From:	Marek Vasut <marex@...x.de>
To:	Stefan Wahren <stefan.wahren@...e.com>
Cc:	mturquette@...aro.org, festevam@...il.com, shawn.guo@...aro.org,
	harald@...ib.org, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2] clk: mxs: Fix invalid 32-bit access to frac registers

On Sunday, December 28, 2014 at 11:26:42 AM, Stefan Wahren wrote:
> According to i.MX23 and i.MX28 reference manual the fractional
> clock control registers must be addressed by byte instructions.
> 
> This patch fixes the erroneous 32-bit access to these registers
> and extends the comment in the init functions.
> 
> Btw the imx23 init now uses a R-M-W sequence just like imx28 init
> to avoid any clock glitches.
> 
> The changes has been tested only with a i.MX28 board, because i don't
> have access to an i.MX23 board.
> 
> Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>

I don't see a problem,

Reviewed-by: Marek Vasut <marex@...x.de>

Best regards,
Marek Vasut
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