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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 08A75C04A95 for ; Fri, 23 Sep 2022 18:16:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2s+zsU2XxHuEQdERH3S0rEhhCh8JtQcEh7vvaXr+uNc=; b=YZuj3hhMIw8bTq DwAqIykIXrDo53WjvnpB/UGK5EIf4g0YB7OXjvuB+fQBukxA0QfnVqZxKUF1gnL576W39ec2nC0jR cwpQF3I/ZV0NRtJKu5eGtH63KZ9bXpKdhjMp/VkjuKwSOkEymjDISN2jD/0fmNrVA+oqwTQ9Psjxs r0yJXBqAlxo4nxLVHoRFkAP4KnDmtOV4YC1SGWTxf4jcPsJ7XHGdL+wy/tMwYRV3WK+49f5z3k6in Jd4fw4C6QyJPzxis6fhjPqjNi1OWcATCdhuXIuTGOmZG7piWW3k+MIuBfE9pZoh11iPUNsyqgiVd2 nNcMyM8z4I/24igiZFdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obnCT-005J85-Qy; Fri, 23 Sep 2022 18:14:58 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obnCP-005J6F-Oj; Fri, 23 Sep 2022 18:14:55 +0000 Received: from p508fdd76.dip0.t-ipconnect.de ([80.143.221.118] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1obnCL-0000GC-Bj; Fri, 23 Sep 2022 20:14:49 +0200 From: Heiko Stuebner To: Quentin Schulz Cc: linus.walleij@linaro.org, brgl@bgdev.pl, jay.xu@rock-chips.com, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, foss+kernel@0leil.net, Quentin Schulz , stable@vger.kernel.org Subject: Re: [PATCH 1/2] pinctrl: rockchip: add pinmux_ops.gpio_set_direction callback Date: Fri, 23 Sep 2022 20:14:48 +0200 Message-ID: <2890748.BddDVKsqQX@phil> In-Reply-To: <20220923145141.3463754-2-foss+kernel@0leil.net> References: <20220923145141.3463754-1-foss+kernel@0leil.net> <20220923145141.3463754-2-foss+kernel@0leil.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220923_111453_841474_CA04540E X-CRM114-Status: GOOD ( 12.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Freitag, 23. September 2022, 16:51:40 CEST schrieb Quentin Schulz: > From: Quentin Schulz > > Before the split of gpio and pinctrl sections in their own driver, > rockchip_set_mux was called in pinmux_ops.gpio_set_direction for > configuring a pin in its GPIO function. > > This is essential for cases where pinctrl is "bypassed" by gpio > consumers otherwise the GPIO function is not configured for the pin and > it does not work. Such was the case for the sysfs/libgpiod userspace > GPIO handling. > > Let's re-implement the pinmux_ops.gpio_set_direction callback so that > the gpio subsystem can request from the pinctrl driver to put the pin in > its GPIO function. > > Fixes: 9ce9a02039de ("pinctrl/rockchip: drop the gpio related codes") > Cc: stable@vger.kernel.org > Signed-off-by: Quentin Schulz Reviewed-by: Heiko Stuebner _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel