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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 6EF7FC48BDF for ; Tue, 15 Jun 2021 15:52:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5939660FEE for ; Tue, 15 Jun 2021 15:52:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232895AbhFOPya (ORCPT ); Tue, 15 Jun 2021 11:54:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:47178 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232255AbhFOPwB (ORCPT ); Tue, 15 Jun 2021 11:52:01 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6BD2A616ED; Tue, 15 Jun 2021 15:49:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623772196; bh=TLQXXMRgCJYZjDlvNmaC2ZBnYfPNzA9DrlkZNPcYHKo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T6XxSL5/2Z3vJmE8UabnFyDm+oR9+I8sBp6vo8G+0Fw4pKSnEtKbsbKGaCdZbCVzV C8L7t2w+TH4LkcpyvJx2I2X3zPCiMzwfwUTXt+Y1dtWN1fmO6tf3qmOxkiXTcUW8Y1 B/OHQzGHX4CsDSh6yRDkrRa2ztwC1YKjFg+ZMlUpVs6aUPM7j1J0vpG2j3t6TAdB1m 2HKcrfCXraerUj0oLHejBTRZhAJ4oCTeVz4gyRUjcRwznACeDtC9KJAFo/BroBXuG5 TfaUwxD49zJUjgahoq00KpUgNZQCXVk8N3LWtq6wlOOw3A270/DwVPjXGEL2/MDK0D xD44NB1L9B3cA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sergio Paracuellos , Linus Walleij , Sasha Levin , linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 06/15] pinctrl: ralink: rt2880: avoid to error in calls is pin is already enabled Date: Tue, 15 Jun 2021 11:49:38 -0400 Message-Id: <20210615154948.62711-6-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210615154948.62711-1-sashal@kernel.org> References: <20210615154948.62711-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sergio Paracuellos [ Upstream commit eb367d875f94a228c17c8538e3f2efcf2eb07ead ] In 'rt2880_pmx_group_enable' driver is printing an error and returning -EBUSY if a pin has been already enabled. This begets anoying messages in the caller when this happens like the following: rt2880-pinmux pinctrl: pcie is already enabled mt7621-pci 1e140000.pcie: Error applying setting, reverse things back To avoid this just print the already enabled message in the pinctrl driver and return 0 instead to not confuse the user with a real bad problem. Signed-off-by: Sergio Paracuellos Link: https://lore.kernel.org/r/20210604055337.20407-1-sergio.paracuellos@gmail.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c index d0f06790d38f..0ba4e4e070a9 100644 --- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c +++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c @@ -127,7 +127,7 @@ static int rt2880_pmx_group_enable(struct pinctrl_dev *pctrldev, if (p->groups[group].enabled) { dev_err(p->dev, "%s is already enabled\n", p->groups[group].name); - return -EBUSY; + return 0; } p->groups[group].enabled = 1; -- 2.30.2