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Date:	Fri, 25 Jul 2014 10:36:45 +0200
From:	Boris BREZILLON <>
To:	Alexandre Belloni <>
Cc:	Jiří Prchal <>,,,,
	Bo Shen <>,
Subject: Re: [PATCH] ARM: at91: at91sam9x5: sets NPCS0 (PA14) back to GPIO

Hi Alexandre,

On Fri, 25 Jul 2014 10:30:54 +0200
Alexandre Belloni <> wrote:

> Hi,
> On 25/07/2014 at 08:14:40 +0200, Jiří Prchal wrote :
> > I'm using custom board. My spi node:
> > 			spi0: spi@...00000 {
> You should override the pinctrl here as you are using gpios for the cs.
> 				pinctrl-0 = <&pinctrl_spi0_custom>;

I guess you meant:
			pinctrl-0 <&pinctrl_spi0 &pinctrl_spi0_custom>;

I suggested the same thing, however I'm pretty sure this is not the
source of the problem. As I said, gpio_request already mux the
associated pin to GPIO function.

Best Regards,


Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
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