From patchwork Tue Jul 23 16:47:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 814474 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1585413B287; Tue, 23 Jul 2024 16:50:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721753402; cv=none; b=aLYprKwK5tmgbmn0thGIjyIAg9qoXShEV/cKfOMpCvlfDyXUGohKgEwzUmGG2PbhyotG7FmE/46TE4MjjwgLy8N+yGsNfwSLk39C4R5jjhsv74IQJQa9lGDL5+2POttbBmGdultaNQzXHa4waUZBTWdp8O5SULgVPT7e99fvLSM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721753402; c=relaxed/simple; bh=bgRzib7ffK4t/fOJONVPwKLTPYzLnXKhHikn+D5UNbk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=C2H5Bfy6UYfGTreqkVz217jOmuO/RzuuZ3Qa1/0juJHYdReC1S9CjI33F/HBGrBDauaJ7fBwOeCiu0P0fw/OWOdr69cNNPQ37tZDnx3p4Bn+5aDKSYNObrZ+ywH2G3yKaCqy0AQQJqDKuCnq4WuJR3QXdA4MRnp5YO5lCua0ulk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=GJg+wZi2; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GJg+wZi2" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-4266edee10cso38498705e9.2; Tue, 23 Jul 2024 09:50:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721753399; x=1722358199; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=CIXjbVlMzQ/E74zkKkld+Uu+AAnVMwiLGvKXFp+BrOw=; b=GJg+wZi2ZpT/hjngbuqMks6r2lUX5Jj3u1qpUe/tDNbczrjnsn1Dy5JLsFgFHqnBZR ajI2Qu1dZ4AsJOXcqakWe9QoB7FAbD4WHMjkxrPLoUCv8i6tU9YZZF2CwXkL8zxr4DoD 2SGREfZCaIfrbsVAOLqs7JItEvcJRYyygmnZ/gg/1HDFxzSvVbyYwCtZqphhhhFCfrTE QPnl+nLjhrw8SNX3/qs8uzuXBGtohKCt2JGk3lxlDcb8TYg9ezv8XEh/9hbskpBXjCN0 9M3xDhrYXQdDINo3ZUfjEclF1zrWK+y7NZV+tKD40kpiHYtVpJEgq1I3IPetMvl9el9o 7VqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721753399; x=1722358199; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CIXjbVlMzQ/E74zkKkld+Uu+AAnVMwiLGvKXFp+BrOw=; b=fpLNKf4NrNwxVLELkAu+WM//M1l6t7Ket1AHyxDkIVgPcVfIjwXnyT+TJamYHDTiDm Yl8HXVXU6kA5blYMMY98xOnbdQLq7WFaAz/0c84C/rw4HCBCNSdIGJl0IlfRgxO8SLFe 6qNqSanvmbaqo1SU8+8UoNfMEwCPPSNE/n3Mg34iQlJBfTyhU1yeM211RVPF6yLFbKoQ EJkufPZJDvj5SyGdHJ28icChUg7OKrJlFXEhgNNwuyWAUt6AyNaUQCGgvurp72scWYAi 5fuIPOmMhQts5gGM1IHuLary6XDo7MgINO59TkZSt4zFdDwMhChIWIr072CqXc0y26JH YAYQ== X-Forwarded-Encrypted: i=1; AJvYcCWeBfvvTlJNuhRLx7nCSV/1ip4NOUScb1vp+VIG4H8IiNG9Ufw4g5Wx7aoqKk25qxfxjCKMYHXb03amhSFjKEykeEXZQS05lRwI9dfCZyaXQRKIlTRTOStiPo3xywZ8XE3ERRdrxkPAig== X-Gm-Message-State: AOJu0YyKs1ANO6bq4Q6GV+/HfyEY5l6fk+dVaDA0xavkzjz+h7Wp886R 36tyXQJsf/U/de0ac2RabjAZFYmMxbGan4Jl5OtZhaK2Y10fQXBN X-Google-Smtp-Source: AGHT+IF5fAiKkcWS/KCYN1ZlTrAf5xl/dy8U8HtPAw0W8wO8y4qK0TOw3HRz/WQ1BqGJGDbRpL7KuA== X-Received: by 2002:a05:600c:5103:b0:426:6b47:290b with SMTP id 5b1f17b1804b1-427daa61cb4mr71062635e9.28.1721753399207; Tue, 23 Jul 2024 09:49:59 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:2595:4364:d152:dff3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427d2a8e42bsm210617315e9.30.2024.07.23.09.49.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jul 2024 09:49:58 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH] pinctrl: renesas: rzg2l: Return -EINVAL if the pin doesn't support PIN_CFG_OEN Date: Tue, 23 Jul 2024 17:47:44 +0100 Message-Id: <20240723164744.505233-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Update the rzg2l_pinctrl_pinconf_get() function to return -EINVAL for PIN_CONFIG_OUTPUT_ENABLE config if the pin doesn't support the PIN_CFG_OEN configuration. -EINVAL is a valid error when dumping the pin configurations. Returning -EOPNOTSUPP for a pin that does not support PIN_CFG_OEN resulted in the message 'ERROR READING CONFIG SETTING 16' being printed during dumping pinconf-pins. For consistency do similar change in rzg2l_pinctrl_pinconf_set() for PIN_CONFIG_OUTPUT_ENABLE config. Fixes: a9024a323af2 ("pinctrl: renesas: rzg2l: Clean up and refactor OEN read/write functions") Signed-off-by: Lad Prabhakar Tested-by: Claudiu Beznea Reviewed-by: Paul Barker Reviewed-by: Geert Uytterhoeven --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 632180570b70..3ef20f2fa88e 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -1261,7 +1261,9 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT_ENABLE: - if (!pctrl->data->oen_read || !(cfg & PIN_CFG_OEN)) + if (!(cfg & PIN_CFG_OEN)) + return -EINVAL; + if (!pctrl->data->oen_read) return -EOPNOTSUPP; arg = pctrl->data->oen_read(pctrl, _pin); if (!arg) @@ -1402,7 +1404,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_OUTPUT_ENABLE: arg = pinconf_to_config_argument(_configs[i]); - if (!pctrl->data->oen_write || !(cfg & PIN_CFG_OEN)) + if (!(cfg & PIN_CFG_OEN)) + return -EINVAL; + if (!pctrl->data->oen_write) return -EOPNOTSUPP; ret = pctrl->data->oen_write(pctrl, _pin, !!arg); if (ret)