From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967909Ab2ERJgt (ORCPT ); Fri, 18 May 2012 05:36:49 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:52895 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967117Ab2ERJgs (ORCPT ); Fri, 18 May 2012 05:36:48 -0400 From: Arnd Bergmann To: Roland Stigge Subject: Re: [PATCH 1/2] gpio: Adjust of_xlate API to support multiple GPIO chips Date: Fri, 18 May 2012 09:36:45 +0000 User-Agent: KMail/1.12.2 (Linux/3.4.0-rc3; KDE/4.3.2; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, grant.likely@secretlab.ca References: <1337329192-5699-1-git-send-email-stigge@antcom.de> In-Reply-To: <1337329192-5699-1-git-send-email-stigge@antcom.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201205180936.45449.arnd@arndb.de> X-Provags-ID: V02:K0:yk22719IWIgFzZcZyeWi9fgt0TXw99Nr2gvqpskvnTC EwMrJSD9f44dMcJ6FlicofMzAUZUQSH2+EOIBMvvsW1bvg5Ao7 v2bR/zsy4fnIsV/JRMjqo6NVgNOhMsb3Aa+hPvg0J4mZnCiJIB u+eErE2NOy3r1Gn2kN3kZ6RA+NQ4BOF9lLXRHjOLmLKTqPJUXn 8zZApiZ3s5DIUEwZrn5y4gupJBXgbDrSDZYkn4eqaieUiJFQPt MGn3nx36cqqWr0sXtjMjSd7+M/c8kt1rRitbKIRqfXhkRhldbJ OHbuo25YxQjA7lqFBxgGpB7GVv0UQQf+8B0xaJe+LKAG75xXnX Hvs2rYYgf/I5tctVCTyI= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 18 May 2012, Roland Stigge wrote: > From: Grant Likely > > 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 > Signed-off-by: Grant Likely > Tested-by: Roland Stigge > Acked-by: Arnd Bergmann