linux-kernel - Re: [PATCH 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips

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Date:	Fri, 18 May 2012 09:36:45 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Roland Stigge <stigge@...com.de>
Cc:	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca
Subject: Re: [PATCH 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips

On Friday 18 May 2012, Roland Stigge wrote:
> From: Grant Likely <grant.likely@...retlab.ca>
> 
> This patch changes the of_xlate API to make it possible for multiple
> gpio_chips to refer to the same device tree node.  This is useful for
> banked GPIO controllers that use multiple gpio_chips for a single
> device.  With this change the core code will try calling of_xlate on
> each gpio_chip that references the device_node and will return the
> gpio number for the first one to return 'true'.
> 
> Cc: Roland Stigge <stigge@...com.de>
> Signed-off-by: Grant Likely <grant.likely@...retlab.ca>
> Tested-by: Roland Stigge <stigge@...com.de>
> 

Acked-by: Arnd Bergmann <arnd@...db.de>
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