From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9347AC4360C for ; Fri, 27 Sep 2019 10:04:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64087217D7 for ; Fri, 27 Sep 2019 10:04:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727186AbfI0KEX (ORCPT ); Fri, 27 Sep 2019 06:04:23 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:50263 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726988AbfI0KEV (ORCPT ); Fri, 27 Sep 2019 06:04:21 -0400 Received: from localhost.localdomain (lfbn-1-17395-211.w86-250.abo.wanadoo.fr [86.250.200.211]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 7020B24002D; Fri, 27 Sep 2019 10:04:19 +0000 (UTC) From: Paul Kocialkowski To: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Linus Walleij , Bartosz Golaszewski , Rob Herring , Mark Rutland , Lee Jones , Thomas Petazzoni , Paul Kocialkowski Subject: [PATCH v3 3/5] gpio: syscon: Add support for a custom get operation Date: Fri, 27 Sep 2019 12:04:05 +0200 Message-Id: <20190927100407.1863293-4-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190927100407.1863293-1-paul.kocialkowski@bootlin.com> References: <20190927100407.1863293-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some drivers might need a custom get operation to match custom behavior implemented in the set operation. Add plumbing for supporting that. Signed-off-by: Paul Kocialkowski --- drivers/gpio/gpio-syscon.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c index 31f332074d7d..05c537ed73f1 100644 --- a/drivers/gpio/gpio-syscon.c +++ b/drivers/gpio/gpio-syscon.c @@ -43,8 +43,9 @@ struct syscon_gpio_data { unsigned int bit_count; unsigned int dat_bit_offset; unsigned int dir_bit_offset; - void (*set)(struct gpio_chip *chip, - unsigned offset, int value); + int (*get)(struct gpio_chip *chip, unsigned offset); + void (*set)(struct gpio_chip *chip, unsigned offset, + int value); }; struct syscon_gpio_priv { @@ -252,7 +253,7 @@ static int syscon_gpio_probe(struct platform_device *pdev) priv->chip.label = dev_name(dev); priv->chip.base = -1; priv->chip.ngpio = priv->data->bit_count; - priv->chip.get = syscon_gpio_get; + priv->chip.get = priv->data->get ? : syscon_gpio_get; if (priv->data->flags & GPIO_SYSCON_FEAT_IN) priv->chip.direction_input = syscon_gpio_dir_in; if (priv->data->flags & GPIO_SYSCON_FEAT_OUT) { -- 2.23.0