From patchwork Wed Feb 19 09:22:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 207272 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=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 438C4C34047 for ; Wed, 19 Feb 2020 09:22:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B99A24658 for ; Wed, 19 Feb 2020 09:22:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="iCGQ3bYj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726530AbgBSJWr (ORCPT ); Wed, 19 Feb 2020 04:22:47 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:43173 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726668AbgBSJW2 (ORCPT ); Wed, 19 Feb 2020 04:22:28 -0500 Received: by mail-wr1-f65.google.com with SMTP id r11so27252796wrq.10 for ; Wed, 19 Feb 2020 01:22:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=oxGRWgQyZaN66YaIn8IJWZO9FxN0tzHUnwFNQKByXPI=; b=iCGQ3bYjmnOtKoJ8pKeMvNLxscxSAGuVvttFcWq2ERZDxpGRRgO4kidvI0KcWv8nXA fx57kM/cJliaS+twGxTaw3zKJDBsfoYHa7l9U6aenq93u+5ev0oIhZNTK9Wbteug9wnL IjSYJt9mFbu6taLp+WVqE1ruW4cCVjEGbVkU2ZzMb2Fs/mQjVEEDydcRcdx/s5k7pRq5 o27YxsJuK63V3PaWEeM0uy/k5V317m6z82zIwMC4P31TLDp5LbZ9idSRt334Ki2gNc7n fEq0R0ybgBcLWz1Z9CyQutYbY6F9wgeqlqqCZZpAmJOW99FDkgxWO4KK4pRuqmRm4Pzx gABQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=oxGRWgQyZaN66YaIn8IJWZO9FxN0tzHUnwFNQKByXPI=; b=ihHhV1+xXX3Ja6JueWcask1NJ8nEhIXQNt/S0PTbalNfp+aMXgGfSkrCgaAQOf2uUQ 7a0RI/QPsJs6O6OSjfbjtaK5KWKO/xQ10DXZjO/WoT8etTNNGRoMg7JNgfDq5IQcZNoq u7U4P6qyWr3sZYIjrVQsEMTPtwwaDBT4w6b74E7BoS0CaZ7Z+WF8/9CNl0ktXDYBtRE5 l0CsFnZsZiU9t7FbRpU8RBTqC79W2NRZ3CphrYWhQaODCJJ4+F4ejN7CzgYXkNEge/Lk 6WVxY7mr12KFbaKBJ/lrJj+ENSsyY6ZMnoOZq4bpCrtEus+pdidSulNprfSXT2mrjV7b oj2w== X-Gm-Message-State: APjAAAXoK6saZ9f3F/mQW5hQvU4LhUX8dZbWF5mBzuK3RL0tjDWxtFNU coTe+RlkAb87fYR/iBmV0CECs/xDhV8= X-Google-Smtp-Source: APXvYqx1Po0CNLWh6Y6FSu7EmSWTjdBDdibTgs3GlSbpu8zQIsgCN4AFKouhXosuNsOi9axD96FpVg== X-Received: by 2002:adf:f406:: with SMTP id g6mr35205849wro.189.1582104145872; Wed, 19 Feb 2020 01:22:25 -0800 (PST) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id s65sm2172296wmf.48.2020.02.19.01.22.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Feb 2020 01:22:25 -0800 (PST) From: Bartosz Golaszewski To: Linus Walleij , Srinivas Kandagatla , Khouloud Touil , Geert Uytterhoeven Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v3 4/7] nvmem: release the write-protect pin Date: Wed, 19 Feb 2020 10:22:15 +0100 Message-Id: <20200219092218.18143-5-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200219092218.18143-1-brgl@bgdev.pl> References: <20200219092218.18143-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Khouloud Touil Put the write-protect GPIO descriptor in nvmem_release() so that it can be automatically released when the associated device's reference count drops to 0. Fixes: 2a127da461a9 ("nvmem: add support for the write-protect pin") Reported-by: Geert Uytterhoeven Signed-off-by: Khouloud Touil [Bartosz: tweak the commit message] Signed-off-by: Bartosz Golaszewski --- drivers/nvmem/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 4e6daaa2b0f6..c718ed7859e8 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -72,6 +72,7 @@ static void nvmem_release(struct device *dev) struct nvmem_device *nvmem = to_nvmem_device(dev); ida_simple_remove(&nvmem_ida, nvmem->id); + gpiod_put(nvmem->wp_gpio); kfree(nvmem); }