From patchwork Fri Mar 29 02:44:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 2363581 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by patchwork1.kernel.org (Postfix) with ESMTP id E896E3FD40 for ; Fri, 29 Mar 2013 02:58:31 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id D1927E85; Fri, 29 Mar 2013 02:47:57 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id 08569B1A for ; Fri, 29 Mar 2013 02:47:54 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 6A05A20185 for ; Fri, 29 Mar 2013 02:47:50 +0000 (UTC) Received: from ayumi.akashicho.tokyo.vergenet.net (p8120-ipbfp1001kobeminato.hyogo.ocn.ne.jp [118.10.137.120]) by kirsty.vergenet.net (Postfix) with ESMTP id D24952C6A92; Fri, 29 Mar 2013 13:46:03 +1100 (EST) Received: by ayumi.akashicho.tokyo.vergenet.net (Postfix, from userid 7100) id 76043EDEA30; Fri, 29 Mar 2013 11:46:02 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Fri, 29 Mar 2013 11:44:41 +0900 Message-Id: <1364525119-31791-353-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1364525119-31791-1-git-send-email-horms+renesas@verge.net.au> References: <1364525119-31791-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Magnus Damm Subject: [LTSI-dev] [PATCH/RFC 352/390] sh-pfc: Make function GPIOs support optional X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org From: Laurent Pinchart The target is to get rid of function GPIOs completely. To reach this, make function GPIOs support optional by skipping the function GPIO chip registration if no function GPIOS are defined in SoC data. Signed-off-by: Laurent Pinchart Acked-by: Linus Walleij (cherry picked from commit bfd1e93511b2a9acec049448e5f1616efcd2505f) Signed-off-by: Simon Horman --- drivers/pinctrl/sh-pfc/gpio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c index d7acb06..7a54ec7 100644 --- a/drivers/pinctrl/sh-pfc/gpio.c +++ b/drivers/pinctrl/sh-pfc/gpio.c @@ -384,6 +384,9 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc) } /* Register the function GPIOs chip. */ + if (pfc->info->nr_func_gpios == 0) + return 0; + chip = sh_pfc_add_gpiochip(pfc, gpio_function_setup); if (IS_ERR(chip)) return PTR_ERR(chip);