From patchwork Tue Feb 6 07:51:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770837 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (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 EF16C12A157 for ; Tue, 6 Feb 2024 07:52:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205930; cv=none; b=SiokHIVjKYxk0rcia9vJr/wwglAIUUC7mp34FdjFByiXDvv5WVvzwFWvGfCGG3HJGKX3iQEdCOYuRSinUgPm8j827ZrpMKDVteZrXXlt+Ob8ncZhCaCOpOKUnfA2agS1Y6oAVG/aXMTEkal8xmf4i22SJFAwL4iWdI8y5vUfXC4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205930; c=relaxed/simple; bh=akjpDdwtIyoD1uIaPN7w8Pv+xKXWfTjc8macEXk7Atc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JagzhpzKRHddiXfIhoX1AKmfghIt6NYERjd/2vQuvcfuLRJnRNuxPQ83T81d1VRyV2RjCZWk0jKHXSSUnZsEPVu1I/GNWKSRXdNP6dE6ipobtZFYdn4rq/KVRhi/v5oEzeGNApu7wbUhAGOg9KCjoL+SvHC5ABEPSnmi1BvYeek= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=AiidtGBs; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="AiidtGBs" Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-40fe282ba92so2765865e9.0 for ; Mon, 05 Feb 2024 23:52:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205927; x=1707810727; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Mzvigf2PQ+mn73kQfz5blaJKcbcBkovCXGS/Q9PyNyg=; b=AiidtGBsq9pEPyQ3ITaghgou7JHIGXJ5RsZCAuMlwS+lrO1KopLMiJhffVYiNOfMD5 s/06swWOkRvbS972h3lM7ebrJTX3dS0jOnu01Gmuw5cyNW2K+F9OT9tVROichgkEbP1/ JyunytLZ+trv+YJ/lNQ9GBv+3hvmFIav+E2mTYV5QGENKQDZnM9IV6zlWeqj9ap6rUID gTrMYePVrKAnmyOfdE88YKjdCxjBTPHtDfphR4JeCmVTKVrXQX2HYPoMtLlqZKOjovCO dmHEDTiQUMmy3pjec8jZXp1EyhX9OTzSZ5wzbzH3Q2grLqwJVQE6ya785Fkg6ZWlcTp3 oLcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205927; x=1707810727; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Mzvigf2PQ+mn73kQfz5blaJKcbcBkovCXGS/Q9PyNyg=; b=WdoxkKxaqfVYCgJjaQ9kHOTagXuwUu7juFyGokduxa9y+9vB9q5gVZ/bBlpnSr/4d7 DFW5RTDHWEyMFhj4xkmc3Gbfr0Q3y69ug52zNatiTcBwbTNutOI8iPJzIiYcz+z1u8o6 BLBY+8cuwPRUOZCHwyke5BZitjEi46iBWdVT2RdM66oXsBlWeOZRqRvruy0rLEii/I4k 3XZv1AXN1hoW/4tt8B2P+QXkB7pLMoLmyaSSHk/f/zwrCMuIewowc+lqHBh5j5veGnlA XkaIbvGgTQ0BziwcAXQ+b0NP1p1F+aIwM9oCzR2NXPwtCzTI44KpDaZrdCHbW+3ghxbN IXsw== X-Gm-Message-State: AOJu0YxVf7m4hq90PTiTQJ1awDpgiRiQrEf8M5oNKb6W2akibT7+bydy 7yeB+WrWuwwEE2OzU8eKsTdU3w4efbfFpRxCriUIVDxn2ROBwiw4E2JMyMHHig4= X-Google-Smtp-Source: AGHT+IFFsTWXeT0lLAHR5vO711bXlBsIWAk4Lfj5wpYLHDAijE3PKJWSCseZKr6i2POKquYGLzPsOA== X-Received: by 2002:a05:600c:1390:b0:40e:a569:3555 with SMTP id u16-20020a05600c139000b0040ea5693555mr1526799wmf.35.1707205927176; Mon, 05 Feb 2024 23:52:07 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:06 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 1/9] watchdog: rzg2l_wdt: Restrict the driver to ARCH_RZG2L and ARCH_R9A09G011 Date: Tue, 6 Feb 2024 09:51:41 +0200 Message-Id: <20240206075149.864996-2-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea The rzg2l_wdt driver is used only by ARCH_RZG2L and ARCH_R9A09G011 micro-architectures of Renesas. Thus, limit it's usage only to these. Suggested-by: Biju Das Signed-off-by: Claudiu Beznea --- Changes in v4: - none; this patch is introduced in v4 drivers/watchdog/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 7d22051b15a2..f6cb63a0d889 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -910,7 +910,7 @@ config RENESAS_RZN1WDT config RENESAS_RZG2LWDT tristate "Renesas RZ/G2L WDT Watchdog" - depends on ARCH_RENESAS || COMPILE_TEST + depends on ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST select WATCHDOG_CORE help This driver adds watchdog support for the integrated watchdogs in the From patchwork Tue Feb 6 07:51:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770588 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (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 E20DA12AAD6 for ; Tue, 6 Feb 2024 07:52:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205932; cv=none; b=hKw1lcvsIyvkpsjvH0Cp6HqoMphtuVN0zYI63cLekGaHo6wcmBmn1vWLXWKXmWjZ2T0bb+otSRHQmZvOppL2qkuEGbBokPx92enY4Mbi2uT1jkfpyFOexdwtIPeLiZzWoXyeckvt5KLgqRUqscvEf1z2mkd1CVwzLrsQmvXQAqQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205932; c=relaxed/simple; bh=B7ZI2SD8d3W5zxWFuLoPUdZsUPHlZgyVmcI9/1dywKA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ldT2tjWa5tqcJHGcPH+NgD+TOLmZNFHtydxQIDVkiy6vZqh2AQqieMPCVXD5dXmwmfDPqcoKu2xZVip5mxWkeMXpKsLgNrt/0S2Vp9Teg5t2RJprPg+8nEuiP+IEuYhbH/aZeq2gkSXG1ZRUE/PLIxU6JBXa5yTKjlCC6RR06KY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=OvbyAupr; arc=none smtp.client-ip=209.85.128.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="OvbyAupr" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-40ef3f351d2so1258545e9.1 for ; Mon, 05 Feb 2024 23:52:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205929; x=1707810729; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ntdF34/qM/GrD9bNmK0Jsu4ivGsCm/w2NOnD9IO/AYo=; b=OvbyAuprpVJCXudBf5e1lFbgf93J/44o60/LYZtlY0loiAT0GWZeH5gVJw41MPAAJp D81Q2boYZeoGkVBuWSj9X3nqWHJaTubCPZQA4d5W9q7EL/Jdz3UHJhq47iS4fetl2cHW u+LrjxK/Hb/Q7pqltMa5Gzr3Rk2nmKqRM8afDew6rJDlee/PW2LGW+l25Q9UChFUVIP+ Hii5lIkRCvKPNUr6DrtmnUGgv7qoJVkiBYwtt7WrUxW8dmVhm1o0dmtORQCskV2Bz+ec Awag0lp083hqbk0JfgSA4mEsRdMo87wP8sdDO9LobOTY4MIo79FeoXqVBef4F6LVNGaN Wf2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205929; x=1707810729; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ntdF34/qM/GrD9bNmK0Jsu4ivGsCm/w2NOnD9IO/AYo=; b=CiOzdjy8jZOuKcz1Xf3q4rOcO+8xfYqVQVZ+Yj9eMCqSuDloWc8pCPZ4ZRwQs7rHCH Qt9CO/VaLvKlRoSSH7/TlBSJQSM53G8h+XHWGhZRHDFxWpDKP2aEWnWy49UW5LoOpzfD Y8Ee99AuYOHVy44RAAiK69w5x2CyAGQZC2ql9pYQbKRXrNE4v65MsQ9HD9ei1NF4czYe D8fjqzBGYu3jsA33tjTyB+By8WPk6SY7HwdB4h3gkxcyUvd/yKDI8Q4u9FGqXom+dPEy +iLiz0B3PKAIv8ZeQXuvlp5SQR6k78n6v4V5/fu1+I6aLpF28Yn/5odiGy4UOCCNgXJZ qvew== X-Gm-Message-State: AOJu0YwYFtAvwuo0LBh9CaBDnCxhlDo7g+y39xoV09WdBfEvHTxm5dyX cNOR0OlWTnmDvqIHy4W1Qg/R3idQBGNUlxvpHtpSLeNAjS8UumUibZxsMhXlN/A= X-Google-Smtp-Source: AGHT+IFwz95g7UNrHEEzVRlmGAtfhFESJIN69PsnSGCtPPHYEKmRrs/SvIKSESYT496QzRpD8F2Lyg== X-Received: by 2002:a05:600c:5116:b0:40f:dd0f:e7a5 with SMTP id o22-20020a05600c511600b0040fdd0fe7a5mr1451761wms.11.1707205929336; Mon, 05 Feb 2024 23:52:09 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:09 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 2/9] watchdog: rzg2l_wdt: Make the driver depend on PM Date: Tue, 6 Feb 2024 09:51:42 +0200 Message-Id: <20240206075149.864996-3-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea The rzg2l_wdt watchdog driver cannot work w/o CONFIG_PM=y (e.g. the clocks are enabled though pm_runtime_* specific APIs). To avoid building a driver that don't work select CONFIG_PM. Suggested-by: Guenter Roeck Signed-off-by: Claudiu Beznea --- Changes in v4: - s/ARCH_RENESAS/ARCH_RZG2L || ARCH_R9A09G011 due to patch 1/9 Changes in v3: - make driver depend on PM; with that the "unmet direct dependency" Reported-by: kernel test robot was also fixed - adapt commit message Changes in v2: - this patch is new drivers/watchdog/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index f6cb63a0d889..27e11ea7eeeb 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -910,7 +910,7 @@ config RENESAS_RZN1WDT config RENESAS_RZG2LWDT tristate "Renesas RZ/G2L WDT Watchdog" - depends on ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST + depends on ((ARCH_RZG2L || ARCH_R9A09G011) && PM) || COMPILE_TEST select WATCHDOG_CORE help This driver adds watchdog support for the integrated watchdogs in the From patchwork Tue Feb 6 07:51:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770836 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 EF79612A157 for ; Tue, 6 Feb 2024 07:52:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205934; cv=none; b=ONDfl3RD2cLFBSzfHSHAGIqqec+l2gbbD8CVTuLGBxol7K8SJzewzgcgnaIPoJeAQWFNgZijhgmrwqai7mdoNQN+FBgFJktoJM8fGMo+1UB749Y9QBeHN1JuWF9TWDdSviuWA5qpWuwo+YMNHaBB9IxCorUk0WQnyjwTeDopNtw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205934; c=relaxed/simple; bh=iY4Nq0gmeNoMpaiXAPg8UyiEeagDbHOfI4LQk9pKbUk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kWcT/Chl3efsb9TnzTCQ+Tm1b4wNZcdBrfSco5fAOze/Bd4We7+1JwxTok6o3wiZKdnEwqlpWQwxTcHjKQ09OUnWU7Rwhio8cpthbsElB6dcHqx6bHvtKq3wwjiC87Z/3UdE2scmCzrStd82jtNHLXGztj3DYnCkJ45O9XPyTNk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=cw0/9nYB; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="cw0/9nYB" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-40fc22f372cso41241685e9.1 for ; Mon, 05 Feb 2024 23:52:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205931; x=1707810731; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Re6g7QbwuG7CNxQRWc79B5kKgna8Uj7zWIgOl3cniuA=; b=cw0/9nYB6Rfto3zX2hu8hJXLdICVs2i/t5e6PmwC7rJJX4kyZMOenC/u3NTw3TXmzd 2Fo9coEi9cQtnsdW7dY13PVyjJ8ldEdkAK+JKVZECBJ4nm4TA8AykNe9nuFnu2JPKzDh KCJgMTAPfM1Bps+fWP5li08CY3EJhlxNYMLMf34254PWo2DqY4NmKkAHGyfNVONLIY/b hblMY6LMwN+smpMuHNySVMpxEUz/PWAZ2j6WU0SsdeqXz+W/bWTVIlMQz9cNRtA1NHOQ fL9MXWZumfzMyz8nx3qyEYPlArgQ/aVt0wUHfXnYOLn3xH6if5uFyM/iTb5G5dK46/+K ExMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205931; x=1707810731; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Re6g7QbwuG7CNxQRWc79B5kKgna8Uj7zWIgOl3cniuA=; b=VmjNgWDzZ1afdCU9WHCEvbmKgjOCzeU0Ws2c0jp9rTweonY3KeP8HP4mffNUaiiBBa tqhiQMHXdq9WO1kHjCEwnGMz0oMEDP5UI380xy0NzLWFy6EU94zB+PRy7HPwuOUZG1I7 5gb7xzveYl+fmvVbcU68UAJkUKw/9iLqHGOQQbhhxBFRg9snuMEzyOB/ixnvgy5Fbnrx BOnue697OWtZyT0oCQk3zdL1ko0U2QmjlkcTEIoQ4BqyrEDT3SHYHz/p3QQbUg4PG7QA j6etrIcJ6Wvh3n+rPKRggTreGEebJGxYwv0e/f5M2oSliEx2B88dy8rWBa+uYxn6itWd Vjtw== X-Gm-Message-State: AOJu0YzcE6OleVacxR3vJKxtWg0NOuuZgM5uvCUMctLSKdzNeSbsU4PV ptYQhE/v31EF5OeVPvSfdfhTiFuok9GmomMaVhlQNDvwva14Jb/2NZRraEAXW4A= X-Google-Smtp-Source: AGHT+IFUwO5jVJRIRFN3OtH6ZcdLi45uIOaSjs6QmpuzZuPbtPalHg0jI02tYrQQJSgPijB7h9Exng== X-Received: by 2002:a05:600c:3c97:b0:40f:cb0d:a44e with SMTP id bg23-20020a05600c3c9700b0040fcb0da44emr1034104wmb.9.1707205931238; Mon, 05 Feb 2024 23:52:11 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCWoSIcqKjoanSWxwphMlxu7ln46eqk3ZHWmxw5kPc0ytMMrDj+G1cvjlpMW2WUZIONlpZR/K/et1+AFj2qjFc/eQgpImL6b+QnuA5cEKWB3RctoRIxxIOx3UrwqWVuwS26Q727uwOtVH4iYXd7VLVpcBuOp+z+nN00Veb74MnqJr7BybLLxb3vloETJMbb6R/lkqxQnMD6fqFsyCDNGMi0TmIHCAeW7G66sXigDahSIEaDE5zLLA1/LxpQs6s5sQL2+5Vjx+Kb1yLmUCSOgLBBwUldO7EgcCA8/qBXoQtuqlIqTnqpr9VT+yPNkKRhoXZrfMKpSa85WMZ0gx8crtbT4ZazCl91bh+MN3ofHl4xpc4ZCA3ndyHBEsHy9bKHpWgV36hoKI6kRukQmDmZSBCadvVFaI0rG4ZPJq1J6ckY++80T1RSlPC9XT5FDL0mLMOh4O5IKyr6MnvvdWHtvLM/O0d/gkLslCzdMizm8osF9ApW3CYmJ1GpBzGMtIUoZm/zGjpPLLicpYQ== Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:10 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 3/9] watchdog: rzg2l_wdt: Use pm_runtime_resume_and_get() Date: Tue, 6 Feb 2024 09:51:43 +0200 Message-Id: <20240206075149.864996-4-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea pm_runtime_get_sync() may return with error. In case it returns with error dev->power.usage_count needs to be decremented. pm_runtime_resume_and_get() takes care of this. Thus use it. Along with it the rzg2l_wdt_set_timeout() function was updated to propagate the result of rzg2l_wdt_start() to its caller. Fixes: 2cbc5cd0b55f ("watchdog: Add Watchdog Timer driver for RZ/G2L") Signed-off-by: Claudiu Beznea --- Changes in v4: - none Changes in v3: - none Changes in v2: - propagate the return code of rzg2l_wdt_start() to it's callers drivers/watchdog/rzg2l_wdt.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index 1741f98ca67c..d87d4f50180c 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -123,8 +123,11 @@ static void rzg2l_wdt_init_timeout(struct watchdog_device *wdev) static int rzg2l_wdt_start(struct watchdog_device *wdev) { struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev); + int ret; - pm_runtime_get_sync(wdev->parent); + ret = pm_runtime_resume_and_get(wdev->parent); + if (ret) + return ret; /* Initialize time out */ rzg2l_wdt_init_timeout(wdev); @@ -150,6 +153,8 @@ static int rzg2l_wdt_stop(struct watchdog_device *wdev) static int rzg2l_wdt_set_timeout(struct watchdog_device *wdev, unsigned int timeout) { + int ret = 0; + wdev->timeout = timeout; /* @@ -159,10 +164,10 @@ static int rzg2l_wdt_set_timeout(struct watchdog_device *wdev, unsigned int time */ if (watchdog_active(wdev)) { rzg2l_wdt_stop(wdev); - rzg2l_wdt_start(wdev); + ret = rzg2l_wdt_start(wdev); } - return 0; + return ret; } static int rzg2l_wdt_restart(struct watchdog_device *wdev, From patchwork Tue Feb 6 07:51:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770587 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (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 03F8B12A179 for ; Tue, 6 Feb 2024 07:52:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205936; cv=none; b=ZmWOmn5bSUfHncGwjW4ez4e076kO8arwWFilNM7ItHf4rlI0srZcE2a9JlPyKPGbzhIxnJ0Hw2ebFuU4yRI2qMQ/iFTVPI06D/RhwULU59QyRAAiqctdsuKR75sPjU3y5XO8l5WfOov/+P/99IX6Zk1SQ/+IlUMOrHS7x4s0WKE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205936; c=relaxed/simple; bh=mLelyBkyuyFverkkcIquXrmPZYtG0kwJVVl+lchEO+M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=TipPJ5us1jzbTFK8WT5uAIAn9J2c0S1sW657IIwrZq2S+zkGIbCnYAZlqKdghbNW4T26oCE2RmBG5svfGh8Kr/ZoHeg8ZYO2HAPcCkXL5J2mJI5pnxqobrlcjn0SG9jmJtZbz4VMIHVA/AXikqwhYE/0aEAEc4tHZOPHdncMcsA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=V0FnSxEA; arc=none smtp.client-ip=209.85.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="V0FnSxEA" Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-40fc6578423so34777925e9.0 for ; Mon, 05 Feb 2024 23:52:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205933; x=1707810733; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5TQVsyURVXYWvZQZ0JKh4DsPsNlPoBBRywd6S3RYjkk=; b=V0FnSxEAO3Oiad1V6n+WZqKSePRiHD8ed24hj34S/yXhmwCtB8CrumKEWKWP24jN41 xs0EluvA89b+hOTXUw58eToLUfOlJdVbLJTwBohSx1FrlBCPfFZwZzrAHhpy4tPty9Dr JgICnQqlNXIudEgLJJevSoy6PjZtI68YgI3mJCw7CA3W/+vYAvgMQU1AmvROGJe8Jdxy XKUKM9MX1LXZJyZCJJ9dFLarBSFmI1m8Uvl3QWemF6S4G1FLEaCmcplZZ7TRbTxwbVIY IK7FE6NTCZoP7INepmxu2pE0KV3cVBWHoQHbP5Pc1FD6C+BKzctahURngDcPSVn/Yeaa FDKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205933; x=1707810733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5TQVsyURVXYWvZQZ0JKh4DsPsNlPoBBRywd6S3RYjkk=; b=arI0bKLm5ArskGEJd9NtMmPf9bciwlqAJBLU/H2C+S1rYJSs1RdU8wdvle2XrDXr22 0KJ36KvoIzAJ4zQOjzzc8dt4ZWScfXga+H0nr166hb2a/RkqcrdVRid/hti03WLoVNMz RSIe0en3KpavW2ldMGSIGY88ScwKTbdgKxwaZg8l2YMTyQ78+Lh7LuZneYtmvNORZSXt dnaBLub+TlxWZeSmh6+KWSgGlWBxWzZW4RPgh6Snu8pDePHp/nJ2ZAXUe6Xq9cJk853U FqgxWxqcWZykpK2vmH8w8C2ShhPqUyavgeRSCZY7WoFSalnqOicO+XfAwNErAcyxKVf1 ZVJw== X-Gm-Message-State: AOJu0Yyq9NF3DakcbXF5fpml7Jdo/HsZB4KE1J/FycSzPZDBdeRMjETW ndgrvSGyZqaeIWQK1wHBRclhtQamTAU9VgAFSuJiTAagVTo4fCuwH81Z2Jih/5s= X-Google-Smtp-Source: AGHT+IF2hu+HYTkUA3Xeq4/F0rpidNJKCMx9eLAyHCYr3GH++WApVdk9tGJXhZPoyIbM9o2+nQVyog== X-Received: by 2002:a05:600c:4449:b0:40f:c234:1fd5 with SMTP id v9-20020a05600c444900b0040fc2341fd5mr1076050wmn.11.1707205933334; Mon, 05 Feb 2024 23:52:13 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:13 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 4/9] watchdog: rzg2l_wdt: Check return status of pm_runtime_put() Date: Tue, 6 Feb 2024 09:51:44 +0200 Message-Id: <20240206075149.864996-5-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea pm_runtime_put() may return an error code. Check its return status. Along with it the rzg2l_wdt_set_timeout() function was updated to propagate the result of rzg2l_wdt_stop() to its caller. Fixes: 2cbc5cd0b55f ("watchdog: Add Watchdog Timer driver for RZ/G2L") Signed-off-by: Claudiu Beznea --- Changes in v4: - none Changes in v3: - none Changes in v2: - propagate the return code of rzg2l_wdt_stop() to it's callers drivers/watchdog/rzg2l_wdt.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index d87d4f50180c..7bce093316c4 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -144,9 +144,13 @@ static int rzg2l_wdt_start(struct watchdog_device *wdev) static int rzg2l_wdt_stop(struct watchdog_device *wdev) { struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev); + int ret; rzg2l_wdt_reset(priv); - pm_runtime_put(wdev->parent); + + ret = pm_runtime_put(wdev->parent); + if (ret < 0) + return ret; return 0; } @@ -163,7 +167,10 @@ static int rzg2l_wdt_set_timeout(struct watchdog_device *wdev, unsigned int time * to reset the module) so that it is updated with new timeout values. */ if (watchdog_active(wdev)) { - rzg2l_wdt_stop(wdev); + ret = rzg2l_wdt_stop(wdev); + if (ret) + return ret; + ret = rzg2l_wdt_start(wdev); } From patchwork Tue Feb 6 07:51:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770835 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (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 CC36212BE88 for ; Tue, 6 Feb 2024 07:52:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205938; cv=none; b=PkqejazR7mT1K0F6ow6iXmU39KdruV0eQJbNJUaYpENz3/JDIcgZL0j88pkWoEcPXTG3j4LQTcczdS1+eZmTPML9x2L3LDlj4WYvjYah8ieR4Eto1Rn9Xa1yXdBOArHNL62HxRJjpW8axxFRVIMPLWEu93TcDfxk6KLSo2mBY5A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205938; c=relaxed/simple; bh=oGuUsUJTOBwH4PJ/XO1WvReC8UQh5qLEUBVQyGMyDWc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IvSIFJJnBUZq6OQM1vOwdAHJ57QAPuKGYyQo4Mbw+TqHKl9XZNnf1aOUPXkWh1/6AIiQUG4LsfDxWMOn4nY8s7ZitmMi5lcsVrIFiFO6fKYTLaAEn6D9KeiTbzGeeqrTb9lwMlArVaPio24eyyPsM1mTUq5nJre55Zzd9S+fdM8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=WGtxKTxy; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="WGtxKTxy" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-40fdd65a9bdso12155105e9.2 for ; Mon, 05 Feb 2024 23:52:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205935; x=1707810735; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=rA4Lt7wlLZrwShaBAqRMXGVkQhmL/x3EvhyelQZjhV8=; b=WGtxKTxy7+PiMMhGjoEtNu56/u9mC4E97fFoHIGtyPC6EDifdfqqDQqaqIKUtsFJff fwGQxmXho8YLjEVgPP5Nlx7Irdhyrb2NjfrRMTRBDXxdOnJexLr0oRNjEYV3DlhAlDoC 0C2YgZqmSgxmI4y+uaknpkzUEwOZ5ieu38T8fz+ZV3xFqRlgWcgISB72gkat3YJ22RsB a6eq27rSKFUrbRp7uDoDTSC2Gq/+o8nhz+RdngI80ENtAJcX/DhUPYucmeQARdWyjS5w vPZU6QR5Qpk1d2Tfw9nb9KAFP6tqTCduosWRuB8a7k9pOysTD+zm9CxY96Vk/L3Wng+C YtOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205935; x=1707810735; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=rA4Lt7wlLZrwShaBAqRMXGVkQhmL/x3EvhyelQZjhV8=; b=I64gH01I3pdqSH5QABc0XxofjGVnS85J5S9jfvIRntRjxHNplc/1SdTcAqAgFrnEtC xxkZK8NMf2mCGlPHanuAHZzrOINJR5qXvQewmYShwCq229wpyhybg/0j9H5LPaRA35Gd PuaiKem/UvZbZ0wxpoX1TzJcrwmIIOqCHvo+WMoxk2YFAYqkCD9BOufs1N9VTGH/Hr+X y2TG1p+lbQNpJeW++jSdw9/Bjm09PIojTJ9UriSzyg0P1esPluLRPd4zbQ5ZT5Lk3vOt NLi0MP0eWYRZz7OqSxv4CXA3y/LCUlHiiOksiue6iLlFxp12KZLeQGLHW0SCCWt7so5B rPhw== X-Gm-Message-State: AOJu0YysOCbTaL/E9CrLuKTFyV5CEYeiNlFfM+i2wWTAtU8BR3vuaDGt 7ev0Bw7drvDwBOSa2ymnj9C1SQYqFW8di++X+ilNCnYa5vbpQnG7RTtZqQE65Og= X-Google-Smtp-Source: AGHT+IG2yVREqITv5k8qKEYTKu9Lh7kMQkQMSQxMelPBeHMvQzb8WYIRPnCPhgjDWrpEN6eZNvUVlw== X-Received: by 2002:a05:600c:190e:b0:40e:4932:3995 with SMTP id j14-20020a05600c190e00b0040e49323995mr1591113wmq.14.1707205935232; Mon, 05 Feb 2024 23:52:15 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:14 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 5/9] watchdog: rzg2l_wdt: Remove reset de-assert on probe/stop Date: Tue, 6 Feb 2024 09:51:45 +0200 Message-Id: <20240206075149.864996-6-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea There is no need to de-assert the reset signal on probe as the watchdog is not used prior executing start. Also, the clocks are not enabled in probe (pm_runtime_enable() doesn't do that), thus this is another indicator that the watchdog wasn't used previously like this. Instead, keep the watchdog hardware in its previous state at probe (by default it is in reset state), enable it when it is started and move it to reset state when it is stopped. This saves some extra power when the watchdog is unused. Signed-off-by: Claudiu Beznea --- Changes in v4: - none Changes in v3: - none Changes in v2: - none drivers/watchdog/rzg2l_wdt.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index 7bce093316c4..93a49fd0c7aa 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -129,6 +129,10 @@ static int rzg2l_wdt_start(struct watchdog_device *wdev) if (ret) return ret; + ret = reset_control_deassert(priv->rstc); + if (ret) + return ret; + /* Initialize time out */ rzg2l_wdt_init_timeout(wdev); @@ -146,7 +150,9 @@ static int rzg2l_wdt_stop(struct watchdog_device *wdev) struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev); int ret; - rzg2l_wdt_reset(priv); + ret = reset_control_assert(priv->rstc); + if (ret) + return ret; ret = pm_runtime_put(wdev->parent); if (ret < 0) @@ -186,6 +192,12 @@ static int rzg2l_wdt_restart(struct watchdog_device *wdev, clk_prepare_enable(priv->osc_clk); if (priv->devtype == WDT_RZG2L) { + int ret; + + ret = reset_control_deassert(priv->rstc); + if (ret) + return ret; + /* Generate Reset (WDTRSTB) Signal on parity error */ rzg2l_wdt_write(priv, 0, PECR); @@ -236,13 +248,11 @@ static const struct watchdog_ops rzg2l_wdt_ops = { .restart = rzg2l_wdt_restart, }; -static void rzg2l_wdt_reset_assert_pm_disable(void *data) +static void rzg2l_wdt_pm_disable(void *data) { struct watchdog_device *wdev = data; - struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev); pm_runtime_disable(wdev->parent); - reset_control_assert(priv->rstc); } static int rzg2l_wdt_probe(struct platform_device *pdev) @@ -285,10 +295,6 @@ static int rzg2l_wdt_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(priv->rstc), "failed to get cpg reset"); - ret = reset_control_deassert(priv->rstc); - if (ret) - return dev_err_probe(dev, ret, "failed to deassert"); - priv->devtype = (uintptr_t)of_device_get_match_data(dev); if (priv->devtype == WDT_RZV2M) { @@ -309,9 +315,7 @@ static int rzg2l_wdt_probe(struct platform_device *pdev) priv->wdev.timeout = WDT_DEFAULT_TIMEOUT; watchdog_set_drvdata(&priv->wdev, priv); - ret = devm_add_action_or_reset(&pdev->dev, - rzg2l_wdt_reset_assert_pm_disable, - &priv->wdev); + ret = devm_add_action_or_reset(&pdev->dev, rzg2l_wdt_pm_disable, &priv->wdev); if (ret < 0) return ret; From patchwork Tue Feb 6 07:51:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770586 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (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 BC21812BF02 for ; Tue, 6 Feb 2024 07:52:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205940; cv=none; b=uAQSN2rFLDfIEgqmi4uHrRrx9lyRQ5rwbkdLBlQWSiK+xQfaUB4G2V3Pc25SzrYn0/3G1GLaGeTOWBMVH9KjGZRtnUVwUTNNOckNMLjGYvRGs0e1lgH2/8HQav91oHuKoedNyfzl16T7IxwCmN7JZrlvX0ASOp+TSYWYlhkdGrY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205940; c=relaxed/simple; bh=orreljjYFXCp/zt5Wm7smk5iCuPfvW/eAvi8Jm6wHkY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CUfTxVJrlkTEaKNH5f4lMNGlbMYpP94QjSfDyOmd8vh3VdbHuOzLxtTijZ6ea7TRa7+OmAR3VnhfSbzf6ODrTFvpbHlLcvZkI8zKzfDs9cLw/FSKngPzz0ChZcZvCWyrpbcfmTEQt4HfebZUEJmChSr20O8w7rv7yIhWIl1qr7M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=ftrDgpui; arc=none smtp.client-ip=209.85.128.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="ftrDgpui" Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-40fe2d3d5cbso2461835e9.2 for ; Mon, 05 Feb 2024 23:52:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205937; x=1707810737; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Jjkb+6k/ccop6hFf25bQpwkeqZygRT9Wmt/Bq+56nWc=; b=ftrDgpuihUOHTX5ec3XOeoUqpzH1jLc2Y9ltSX6F1dXXF+Cri5eq6FLgFQW1LKTECf h5dfAHWG+tjsy1fJVy3+ZNE5ZugADC5vbf1nogygIn7sRA0SccA2pQix2GpuJPPX/v1L +BiZue8oJi/bbmtK9pN6KWe/mpGRlCK4ky+pdLQyUSoMEXH7M9zf8C1fd4LsxZLl6HPx s6OMuvFEAF7hmk27730jcRWZGqPAKKwop79bxzyheE6zpHssFCl+TRkht0EuJSogbk+p IRvBBfd/yjWJ4eyqb3K+nrKBijdYDXLW0+Ugw1X5bznTgEGRQ0Ribr24JvPNOYFaGea4 YkQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205937; x=1707810737; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Jjkb+6k/ccop6hFf25bQpwkeqZygRT9Wmt/Bq+56nWc=; b=GLshJcRWgHemIzL159FlJ1+q8ll/p1gNvRXGpuEQgnUw/2Mfm44FwXXinh67vVIZ8V IBsDo7RR/hwVS8SuyHLrqqI2bTaCkjKs7Mh7CVyO6jx6Gw0kX9w2kqKfTrCEnlN3wraD wf7uZflOnN8xCVvKMJhCKuE1IkXSg9/EGA9QNXQyh9x2Srury3RzaTczAibKSO9m08wY bRVy6fDj070GGdCLd31k64+2A8X2N+NcOdWuLMD7U87LG0lh+K6dSNvCoS+kzb+TkTaJ fLhAoBLES9YQ+9RYyZGVdBYIf6RRcxvkK9ObJjG92OtBGMqzLYlg9ynyzHUfwrXyMB+B XC/Q== X-Gm-Message-State: AOJu0YwkIA9hZDxYNJp1TTaG1lkCwLjWXPUBZJ8gzQoGbAmTLmOnBD5k DF9CTILgnHqreIXQIPrDMK4idtnNRU6+X1z2i/v3nURUwVVfpgMLtu7txWwmdcI= X-Google-Smtp-Source: AGHT+IEImHicEgNUdgursvnPG9fIjWOBo8flZOXDoo4QYjXu2gIbRkopngA3AFN7/iqvGLW8KMPmoA== X-Received: by 2002:a05:600c:3d08:b0:40f:e067:d700 with SMTP id bh8-20020a05600c3d0800b0040fe067d700mr1355266wmb.20.1707205937118; Mon, 05 Feb 2024 23:52:17 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:16 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 6/9] watchdog: rzg2l_wdt: Remove comparison with zero Date: Tue, 6 Feb 2024 09:51:46 +0200 Message-Id: <20240206075149.864996-7-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea devm_add_action_or_reset() could return -ENOMEM or zero. Thus, remove comparison with zero of the returning value to make code simpler. Signed-off-by: Claudiu Beznea --- Changes in v4: - none Changes in v3: - none Changes in v2: - none drivers/watchdog/rzg2l_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index 93a49fd0c7aa..29eb47bcf984 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -316,7 +316,7 @@ static int rzg2l_wdt_probe(struct platform_device *pdev) watchdog_set_drvdata(&priv->wdev, priv); ret = devm_add_action_or_reset(&pdev->dev, rzg2l_wdt_pm_disable, &priv->wdev); - if (ret < 0) + if (ret) return ret; watchdog_set_nowayout(&priv->wdev, nowayout); From patchwork Tue Feb 6 07:51:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770834 Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) (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 F1E5612C7E6 for ; Tue, 6 Feb 2024 07:52:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205942; cv=none; b=Fimyj7Qe8NOjQEIwJEJwa8ZqZKMk0iYuEuVZ9hPxhOfjzLc8E4/rj8NvItSMeaX0yFqHjJlruTrWOTxV+BtFCn+hCXadDk5kpBWOH+xSHDwW4mH+rIhEEOZobUHivCoYGFDhCRmlCQ+PY64Fe+g1uhrd+OLfUOhylgp2Ivc+Ip0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205942; c=relaxed/simple; bh=jKTSHJTtTI4N0iJp7IFQIhA+NWord9Ob1XRiUrlNEHo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Rewk6rH1Qe6ZBbENyNFy2JKSVYB6asZhrGM5+iKRrHxJNX6GZ2SsNwdeN+2ZTTdqmuB1N3ekyY77OxpSOMEsNy974ZaXLS8KeJrEIX+t4Bbc9vApq2i2Vv1flPyg/jVHrcxm5q3VnUDOQh2jx2hT3SQtXpSGMx7Ea5HB2d75jsU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=FeEKYPsG; arc=none smtp.client-ip=209.85.128.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="FeEKYPsG" Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-40fc6343bd2so34880735e9.1 for ; Mon, 05 Feb 2024 23:52:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205939; x=1707810739; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=oWojBmpvYKWohEDFYHq6fZ2AU0LO/ivcX8nI4tPnMdo=; b=FeEKYPsGc3D+mxJwJXSTnWM2M/ge7sJu1B5sNA7G8aT/cEFJ9nb62CR2ykebQ1xwUB 9ev4eoNuCK6oc+HC0wSppRcKucALcha2CHcmMJcQJcwDOMm4HEhWqEj4/awsiE8xFuGM Iv3l5p/QyQv+lt5KvaWgSs3tyFFqhy0IkPTcWUpXsHe471CuEwUzVM4FfFFiQ+H7uLz2 P+pMyDnGXSEdj/6mMtL4agjiu4LPBRhxgVFgmGWHbc1EDxKPemI8AYpwnr7ryYZMhc7R NsqnZckCcquhHAijzwvRj+U9hHpBCwbMEKc1ib8DlW4hFC0y4ixsa3oSRDG9gjZQhNlh HTgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205939; x=1707810739; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oWojBmpvYKWohEDFYHq6fZ2AU0LO/ivcX8nI4tPnMdo=; b=rgwnkbDuBygBrMqyChptVkLP/EeX1F8zUZDNfyWxscYOO12R6wfPaItfGS5RTQXoMJ U692cUYijAazQgkmBIVABCTnmssLWvi+ZRjLrbqUMwizG1pxyUYdJ5iIJR5TfQp8pZxw BHzN7QV65VKd6JIo1SGRLcq0TBITo9Sa0uijHSe1BJRV6JB5/N7vzJSg8hsjIgtkUmOD EGCkPIFPqnBQyOt7iTSdv2SZKsAImVh4QulvOt8LVzkcfr1qdH1fKudl0SyrpeXI58io ytZI9imPMZ+pF33FISE3UkizPfOrMOqNJ9rsoU8blPup1NGH7CSjbi/d7FDwIiDM8vtw QaHg== X-Gm-Message-State: AOJu0YwqL4w8XgJNN514y6BHZSfEaJnoz6zNPejSnF5nukAORU36Mtq8 fN9mVX9u3T0d5B4JpNXlS+eID9g5aoslF9IBeC1P7RmWxPL1No3NsaTNFQmhVG4wdWpFYAWt0eF J X-Google-Smtp-Source: AGHT+IE1KCHfFqNJTUF491wTOEguszTxGu9U5rKdSCHIS/yH+UvTbSjcd2dnsTM2BBhAFR992ZN9cg== X-Received: by 2002:a05:600c:354b:b0:40e:befe:37f3 with SMTP id i11-20020a05600c354b00b0040ebefe37f3mr1095012wmq.4.1707205939244; Mon, 05 Feb 2024 23:52:19 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:18 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 7/9] watchdog: rzg2l_wdt: Rely on the reset driver for doing proper reset Date: Tue, 6 Feb 2024 09:51:47 +0200 Message-Id: <20240206075149.864996-8-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea The reset driver has been adapted in commit da235d2fac21 ("clk: renesas: rzg2l: Check reset monitor registers") to check the reset monitor bits before declaring reset asserts/de-asserts as successful/failure operations. With that, there is no need to keep the reset workaround for RZ/V2M in place in the watchdog driver. Signed-off-by: Claudiu Beznea Reviewed-by: Philipp Zabel --- Changes in v4: - collected tag Changes in v3: - none Changes in v2: - none drivers/watchdog/rzg2l_wdt.c | 39 ++++-------------------------------- 1 file changed, 4 insertions(+), 35 deletions(-) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index 29eb47bcf984..42f1d5d6f07e 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include #include @@ -54,35 +53,11 @@ struct rzg2l_wdt_priv { struct reset_control *rstc; unsigned long osc_clk_rate; unsigned long delay; - unsigned long minimum_assertion_period; struct clk *pclk; struct clk *osc_clk; enum rz_wdt_type devtype; }; -static int rzg2l_wdt_reset(struct rzg2l_wdt_priv *priv) -{ - int err, status; - - if (priv->devtype == WDT_RZV2M) { - /* WDT needs TYPE-B reset control */ - err = reset_control_assert(priv->rstc); - if (err) - return err; - ndelay(priv->minimum_assertion_period); - err = reset_control_deassert(priv->rstc); - if (err) - return err; - err = read_poll_timeout(reset_control_status, status, - status != 1, 0, 1000, false, - priv->rstc); - } else { - err = reset_control_reset(priv->rstc); - } - - return err; -} - static void rzg2l_wdt_wait_delay(struct rzg2l_wdt_priv *priv) { /* delay timer when change the setting register */ @@ -187,13 +162,12 @@ static int rzg2l_wdt_restart(struct watchdog_device *wdev, unsigned long action, void *data) { struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev); + int ret; clk_prepare_enable(priv->pclk); clk_prepare_enable(priv->osc_clk); if (priv->devtype == WDT_RZG2L) { - int ret; - ret = reset_control_deassert(priv->rstc); if (ret) return ret; @@ -205,7 +179,9 @@ static int rzg2l_wdt_restart(struct watchdog_device *wdev, rzg2l_wdt_write(priv, PEEN_FORCE, PEEN); } else { /* RZ/V2M doesn't have parity error registers */ - rzg2l_wdt_reset(priv); + ret = reset_control_reset(priv->rstc); + if (ret) + return ret; wdev->timeout = 0; @@ -297,13 +273,6 @@ static int rzg2l_wdt_probe(struct platform_device *pdev) priv->devtype = (uintptr_t)of_device_get_match_data(dev); - if (priv->devtype == WDT_RZV2M) { - priv->minimum_assertion_period = RZV2M_A_NSEC + - 3 * F2CYCLE_NSEC(pclk_rate) + 5 * - max(F2CYCLE_NSEC(priv->osc_clk_rate), - F2CYCLE_NSEC(pclk_rate)); - } - pm_runtime_enable(&pdev->dev); priv->wdev.info = &rzg2l_wdt_ident; From patchwork Tue Feb 6 07:51:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770585 Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) (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 C3AAE12C814 for ; Tue, 6 Feb 2024 07:52:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205944; cv=none; b=f9OQMkSItUfRbfYedP8xVyIc+jaPj9HTeS+bNdy1wpVs7BDe6DIY0ZgfkzCNmBr5ht5NrUIYaAAOU00zIfiaAMnW0S9elbOt8PRlipr5FS1roaOM5lSCL9F9Nzrxdxp0esdxil5YOtsBspBgJRU6m5fpTVC6s/95bDR4P7QFDuM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205944; c=relaxed/simple; bh=J/XvStBpKipy73l5We0jwaSeE533ZzXJ5uwYDD0Q1C0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WHMXeVt0BkZg8bDg4ZRCPaJ+yW+o9Jvl9kBPlF7sFAmRZfrzgV86/0nLuLFnFeZEhG1FmeycYrhRGjSPil/IDsnm7nOt4ZA9nBIw7r4CTGrTOrt4qHbE51USXal7FGy2nr9clRBvtbbxewl6jSJkryTcQSZ5rDP3BqJQ9ZqkoAU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=MgiQahuv; arc=none smtp.client-ip=209.85.128.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="MgiQahuv" Received: by mail-wm1-f46.google.com with SMTP id 5b1f17b1804b1-40fd2f7ef55so1312805e9.0 for ; Mon, 05 Feb 2024 23:52:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205941; x=1707810741; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8RwoclSKr0jTPCLza6NnyZdnbSE3Er/n2jlH8URKPyo=; b=MgiQahuvDBK3YkvCjYwsAabnAXEtnGxhhRVLP4UisGUyauKfc+hj0h/WhvmK52uGgm pTCl8LkLk9ZQR5f7Ajkio2Xzz8fyr+F6p/WD33/jXOxQQWdwn/xT0/sOrc7rOHNsXovm ujKujXjsCIBDKPXr+SBCg0UDlQa78UR1okcPv7uasPXkge4uFGwpV7loQlSf8uNIYi5g DyvDkiBe9bLmZgyysIVIQO3JlxYh3tT5ZUF4hwL9pZTBjWvW9vTgBVC8kA+ozsTP9gbW Pt7/nw/QSMJ1DhDgvSgpLVSaNxBve0ULexBV5bzc8C8uAhAXJ5p+f0k9hp90OkvPy/h6 wW6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205941; x=1707810741; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8RwoclSKr0jTPCLza6NnyZdnbSE3Er/n2jlH8URKPyo=; b=jdBKkPLk2ilV4C+e4dt9bdXU/m60WFNkfgKiAtT2cuoi7M9JColm3jqO3Dtie6aa6i UWizqz9HsnyaiW91NBgLzd0rVv8ZIkfyZOa3VZQO0G1/wg5UBw7TOjZQOgoIdbZueCIE UhJSkHNq0D1yzhASI5C/qDje94ROYQlPr+mknMLVUFENSBZltzG54iusN2akeKurTLdQ 8xTaMmaHIw9loHrQuoVY4vnHWgnv6/bhRk+2kQfjTbssj/s5Db0E8dJ/GBnDjQwBChE5 k6C8vtt3zLsM4pUpTgmUN8fd/KkLEX4ItS/TOsuHoAXSgQ1nzJWFOmP4sl8/AFl7Ws6c c3KA== X-Gm-Message-State: AOJu0Yyc5BhFu6R/43dvl+9zK02Y99V/c3OjQUw2WO5cmiI3PEypMvEs flKkNEUFKw4rsBvqq9eLQSGmXL5uXxqF1ho5izF7AcKzP8ajRywGy0VF/dpRONc= X-Google-Smtp-Source: AGHT+IHTIHxy+NKS2mQrn/SyH9wuwDfTsMFo2cxO4LKyOcngCy5BnycZR64LOXpCks+S6Bt0zqfP4A== X-Received: by 2002:a05:600c:1c84:b0:40e:8655:d48f with SMTP id k4-20020a05600c1c8400b0040e8655d48fmr6042770wms.11.1707205941216; Mon, 05 Feb 2024 23:52:21 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:20 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 8/9] watchdog: rzg2l_wdt: Add suspend/resume support Date: Tue, 6 Feb 2024 09:51:48 +0200 Message-Id: <20240206075149.864996-9-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea The RZ/G3S supports deep sleep states where power to most of the IP blocks is cut off. To ensure proper working of the watchdog when resuming from such states, the suspend function is stopping the watchdog and the resume function is starting it. There is no need to configure the watchdog in case the watchdog was stopped prior to starting suspend. Signed-off-by: Claudiu Beznea --- Changes in v4: - none Changes in v3: - none Changes in v2: - remove the usage of pm_ptr() drivers/watchdog/rzg2l_wdt.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c index 42f1d5d6f07e..c8c20cfb97a3 100644 --- a/drivers/watchdog/rzg2l_wdt.c +++ b/drivers/watchdog/rzg2l_wdt.c @@ -284,6 +284,7 @@ static int rzg2l_wdt_probe(struct platform_device *pdev) priv->wdev.timeout = WDT_DEFAULT_TIMEOUT; watchdog_set_drvdata(&priv->wdev, priv); + dev_set_drvdata(dev, priv); ret = devm_add_action_or_reset(&pdev->dev, rzg2l_wdt_pm_disable, &priv->wdev); if (ret) return ret; @@ -305,10 +306,35 @@ static const struct of_device_id rzg2l_wdt_ids[] = { }; MODULE_DEVICE_TABLE(of, rzg2l_wdt_ids); +static int rzg2l_wdt_suspend_late(struct device *dev) +{ + struct rzg2l_wdt_priv *priv = dev_get_drvdata(dev); + + if (!watchdog_active(&priv->wdev)) + return 0; + + return rzg2l_wdt_stop(&priv->wdev); +} + +static int rzg2l_wdt_resume_early(struct device *dev) +{ + struct rzg2l_wdt_priv *priv = dev_get_drvdata(dev); + + if (!watchdog_active(&priv->wdev)) + return 0; + + return rzg2l_wdt_start(&priv->wdev); +} + +static const struct dev_pm_ops rzg2l_wdt_pm_ops = { + LATE_SYSTEM_SLEEP_PM_OPS(rzg2l_wdt_suspend_late, rzg2l_wdt_resume_early) +}; + static struct platform_driver rzg2l_wdt_driver = { .driver = { .name = "rzg2l_wdt", .of_match_table = rzg2l_wdt_ids, + .pm = &rzg2l_wdt_pm_ops, }, .probe = rzg2l_wdt_probe, }; From patchwork Tue Feb 6 07:51:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 770833 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 2FB5312D160 for ; Tue, 6 Feb 2024 07:52:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205946; cv=none; b=U4kCtiY+HO/0Q/2VCcM+UtoBpLcZ6RRBxC1HR7oU52Mqbs9IXkTp/fhlLxzuPdnRtKIdSqrLpLwuGbKpl7lLYh7+TyFOj4uPoA4dezg2eQZLgVfqkIuc0eTllru2AhNZ2zzYdGnfBPvzRb9emrPhNgDdrnHgeEg17Rfpvy0QE3s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707205946; c=relaxed/simple; bh=vR/061UDD5TR2oXq7LH1zZoAUat7cIdF/cOUx86FGVA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=iUBpzfarF7fR/LvrJTLrQKBWVsnZytzxjKlDmoUESXWecCK09knshcUtxT+/haatG6c+YODb3GGN3hT6rCfirMrj/sDDzH2lFfta0tlquUoOWhaMzLezlDxarUxwRI7DKNfQ4CjEvcwikQ2x5dK9YssfP+N6TQqg7XhX84Hw9W8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=PCGSyNaK; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="PCGSyNaK" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-40fdb18ffc7so16614225e9.1 for ; Mon, 05 Feb 2024 23:52:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1707205943; x=1707810743; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Nslo2KqQ/crFqeERQmjq+RimgA4EmUsTWWhunmms0IA=; b=PCGSyNaKpUdTBV44ZY8r19owFJGHQLPyEeECUal6K3csajvkOmHc1MrAPlCQtKijjH qtcDgNmt4Vr4Je1DEyR9RK3xrosIn5z0eYf2XiIMOMhgyweFresF5XtPSo1y1an0nP3q k0iyrZfQlZsxL7lXQ5ogmh561ukWXn4W+uKVin/QLHyfMOAGYn+I66GOaYI9EU9Zyy4/ HNQS+I9OHCoFbAfAVQImEcIRZidlBSlCm5tAATMXEdn1jt82xTxQ54aih+l27Aklq3cM a9G+K3vqWCrY+Wre+6C5M/rS3U6b/J59ku1aZDdiSP6gTQTSwombUEbBgGqTB4Okx90T 5DFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707205943; x=1707810743; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Nslo2KqQ/crFqeERQmjq+RimgA4EmUsTWWhunmms0IA=; b=gcDpjmAXoKTVrH0Q1gMcAcR/qk+mM98B8NDQK4ExHkjVsJgbZPJu6X2o1Y7IPa/AmM 2WGtuEi9UjHOXMp6gpWwuTqmCP+vpJgXurMxhX04QI4ha+brohUtAku7OgCnn2ydH8Vv yDiLVu+Y316ZhDbRPgGodA+zsoSL2oExpmkKorOupRcbKKskBcMEbOcC/J2pd91bU4ja DiOJ/4BOPjwES8Kv/8x6GCQWWnRCl2tmEcdCz3mz4lIo1g20SQHtXq3eAQQ3HwViqxCi ieN0cis4kMmEh8r02cLgqW/GmP3rj49no7/wYmsg4Im5uXbged5pKr2DTxhVq2kriMVr UTDQ== X-Gm-Message-State: AOJu0Yx9wMNOF/CDQqOP1yP+2pdSrOT80jUp/uA1s2rRttnXZGT4hKSN PuQbQuuwuKHgEhXS5fD278HZytd6u8p+3wrAoFRnfF6KpWaVY0dQty4Oe+fphXU= X-Google-Smtp-Source: AGHT+IH0DcABr6gfcMRuxGn3CUTdqmHBzNB66l7a8pXOCpsFRKIZ5TZrhJVEsEPoXJfelqK22/1wSA== X-Received: by 2002:a05:600c:a39c:b0:40f:b283:bb00 with SMTP id hn28-20020a05600ca39c00b0040fb283bb00mr905382wmb.18.1707205943227; Mon, 05 Feb 2024 23:52:23 -0800 (PST) X-Forwarded-Encrypted: i=1; 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 Received: from claudiu-X670E-Pro-RS.. ([82.78.167.154]) by smtp.gmail.com with ESMTPSA id j32-20020a05600c1c2000b0040fbad272f6sm1106843wms.46.2024.02.05.23.52.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 23:52:22 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, biju.das.jz@bp.renesas.com Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea , Conor Dooley Subject: [PATCH v4 9/9] dt-bindings: watchdog: renesas,wdt: Document RZ/G3S support Date: Tue, 6 Feb 2024 09:51:49 +0200 Message-Id: <20240206075149.864996-10-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> References: <20240206075149.864996-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea Document the support for the watchdog IP available on RZ/G3S SoC. The watchdog IP available on RZ/G3S SoC is identical to the one found on RZ/G2L SoC. Signed-off-by: Claudiu Beznea Acked-by: Conor Dooley Reviewed-by: Geert Uytterhoeven --- Changes in v4: - none Changes in v3: - re-arranged the tags as my b4 am/shazam placed previously the Ab, Rb tags before the author's Sob Changes in v2: - collected tags - s/G2UL/G2L in patch description Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml index 951a7d54135a..220763838df0 100644 --- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml @@ -29,6 +29,7 @@ properties: - renesas,r9a07g043-wdt # RZ/G2UL and RZ/Five - renesas,r9a07g044-wdt # RZ/G2{L,LC} - renesas,r9a07g054-wdt # RZ/V2L + - renesas,r9a08g045-wdt # RZ/G3S - const: renesas,rzg2l-wdt - items: