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Date:	Fri, 7 Mar 2014 15:37:05 +0000
From:	srinivas kandagatla <>
To:	Maxime COQUELIN <>,
	Rob Landley <>,
	Rob Herring <>,
	Pawel Moll <>,
	Mark Rutland <>,
	Ian Campbell <>,
	Kumar Gala <>,
	Russell King <>,
	Stuart Menefy <>,
	Linus Walleij <>,
	Giuseppe Cavallaro <>,
	<>, <>,
	<>, <>
Cc:	<>
Subject: Re: [PATCH v3 2/5] pinctrl: st: Enhance the controller to manage
 unavailable registers

On 07/03/14 14:40, Maxime COQUELIN wrote:
> From: Giuseppe Cavallaro <>
> This patch adds a new logic inside the st pinctrl to manage
> an unsupported scenario: some sysconfig are not available!
> This is the case of STiH407 where, although documented, the
> following registers from SYSCFG_FLASH have been removed from the SoC.
>    Output Enable pad control for all PIO Alternate Functions
> and
>    Pull Up pad control for all PIO Alternate Functions
> Without managing this condition an imprecise external abort
> will be detect.
> To do this the patch also reviews the st_parse_syscfgs
> and other routines to manipulate the registers only if
> actually available.
> In any case, for example the st_parse_syscfgs detected
> an error condition but no action was made in the
> st_pctl_probe_dt.
> Signed-off-by: Maxime Coquelin <>
> Signed-off-by: Giuseppe Cavallaro <>
Acked-by: Srinivas Kandagatla <>

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