From mboxrd@z Thu Jan  1 00:00:00 1970
From: christophe.leroy@c-s.fr (leroy christophe)
Date: Wed, 07 Aug 2013 13:31:11 +0200
Subject: MAX7301 GPIO: Do not force SPI speed when using OF Platform
In-Reply-To: <51EFAA19.4020905@antcom.de>
References: <51EFAA19.4020905@antcom.de>
Message-ID: <52022FFF.3060507@c-s.fr>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi,

You have to add the following in your dts:

spi-bits = <16>;

Regards
Christophe

Le 24/07/2013 12:19, Roland Stigge a ?crit :
> Hi,
>
> commit 047b93a35961f7a6561e6f5dcb040738f822b892 introduced the following
> to gpio-max7301.c:
>
> 	/* bits_per_word cannot be configured in platform data */
> -	spi->bits_per_word = 16;
> +	if (spi->dev.platform_data)
> +		spi->bits_per_word = 16;
>   	ret = spi_setup(spi);
>
> Comment is: "The bit_per_word can be set in the OF Device tree, so no
> need to force it as with the platform_data when using OF Platform"
>
> Can you please point me to the respective OF option? I couldn't find it
> under drivers/spi/spi* or Documentation/devicetree/bindings/spi/*.
>
> Thanks in advance,
>
> Roland
>