From nobody Wed Feb 11 05:43:39 2026 Received: from mail-lj1-f178.google.com (mail-lj1-f178.google.com [209.85.208.178]) (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 EEF5414D6E4 for ; Thu, 16 May 2024 15:08:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715872135; cv=none; b=uVJHp1R8e+wrUunz3tANpWgzpuAHj1/bmtCLrvoHlUIPIZgSeK7C5hmzXBDX07Xo9lZ1/6creWHSYcbyDHKOozrHTafC03Vsl9ndPJ3gJv0P6AcZXrGlsadDFi8utGZIYdyfcy3dxkkQMbcEroZkamkvahJKZqJ8yRxiB9efHFs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715872135; c=relaxed/simple; bh=G+dvNYQOBLr+WoKmLXh98J7Aryp0MXfhIBc7+yfe0sM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EcSXQdDw4BYJ4GRvXdtt+rxw/LCofhDxCynT7KCRfc3TaJ1F1bAXetmOyUKv1zXPh1nnA+D2E5T0FpjmTey2Km+xJDPtdDmRo8Wv64SI4Pm+jYab3EFbNkFrvmLH1nmZ8lLtw2ApxFIWCrir/TRK5Cz590IOowzYrQKbm6RluJg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=bO9DB/Tt; arc=none smtp.client-ip=209.85.208.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="bO9DB/Tt" Received: by mail-lj1-f178.google.com with SMTP id 38308e7fff4ca-2e271acb015so12135631fa.1 for ; Thu, 16 May 2024 08:08:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1715872132; x=1716476932; 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=ypBfZt6woLl48yZMYWLwJnxD1n063j94AW3SXRtrghk=; b=bO9DB/TtArv+1pvyVORnixHhr8CWdanaBXZDbx7w5vfArNShcbpFZzeslsUPEiVHel Kxwxph9dVzm+GumrpWlU7IJrBV/TIHCq++s0K5JOZSD2ZrExHAYux3LYAkOE8mZsipju fxUEDBZizHwbyNBKY9k+uyZrHDGUJB0YU2mR9EXWd4xlKHPR0a+3ScnzVBMLymcIRRsz +zUbW4asZY67COG/eossn22HAnYSSdtOLBwomFy9colskEg8vJYDo/eGKJIE85ZirJfK 2LBbOIYMIgB3ZUIZxciXWoBRimPILYrMHkCAJwmA/yXPy1jbMOpf1I4Pv1mMLvBFBlBR WJSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715872132; x=1716476932; 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=ypBfZt6woLl48yZMYWLwJnxD1n063j94AW3SXRtrghk=; b=aAESowveuT2sYRrQIy4FsRMQXblMOTOHgaLRAsHNJN5IOy23oIWzgDh1ljFYAAxvu9 QfE4GUaePvYeOYsTOmbp6khHkdn1eVQeeNqhQJZ9cBvaW2QnYI36lrnF/LaOUx7+kesr S0qTBwMZGD4Dn0pBsMRfzh0cKzev6NDES4rMlnydl+v9rl3NZEqZEX4HVc+dsO3LNM7c nXWSD/CYxHDZbad0cRZEM+VgxHkTwgUcGEj88PhjJTGv7OXF1UsQXqTAHj9Iydp0h5no DgpoPzAXLnbk7T71whNaCFyptSsnzVckuRU9WRO7d72aeSrwI9qzzNK/JwkO6D3YKL3z mOlA== X-Forwarded-Encrypted: i=1; AJvYcCW6zbuX/U+cSdj2X5H5YmVnRJvf7TbYvx6h+olfGygFMfdj3+wbDUzuWkHdnfkxKYluv4/cosquSLnwGd8yYkgQJ/bR7PNWP5yR3XFy X-Gm-Message-State: AOJu0YxBeeQfYwXKgs20FoYkfFdVLfEvqQfPzyF0PEERKVqIvvSpng2E XpVrjQS5eaSrwGZIt0vXJ6k4rkL8m6Vwuqh0dLEm/oPl7CYbMk7hfGTGdd7HU8k= X-Google-Smtp-Source: AGHT+IE8U/D0l2CYHxsSjMxEnW9Nswfn86/rBWx05jmcgu+/3vQwWvbBIKiUixNYwUsYF7gN5EXKtA== X-Received: by 2002:a2e:81c3:0:b0:2df:907e:6de3 with SMTP id 38308e7fff4ca-2e52038a44bmr116578741fa.35.1715872130810; Thu, 16 May 2024 08:08:50 -0700 (PDT) Received: from toaster.lan ([2a01:e0a:3c5:5fb1:1fce:7e5a:e201:edd5]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-41f87c25459sm309351725e9.18.2024.05.16.08.08.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 May 2024 08:08:50 -0700 (PDT) From: Jerome Brunet To: Philipp Zabel , Stephen Boyd , Neil Armstrong Cc: Jerome Brunet , Jan Dakinevich , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org Subject: [RFC PATCH 4/9] reset: amlogic: use reset number instead of register count Date: Thu, 16 May 2024 17:08:34 +0200 Message-ID: <20240516150842.705844-5-jbrunet@baylibre.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240516150842.705844-1-jbrunet@baylibre.com> References: <20240516150842.705844-1-jbrunet@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Bot: notify Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The reset driver from audio clock controller may register less reset than a register can hold. To avoid making any change while switching to auxiliary support, use the number of reset instead of the register count to define the bounds of the reset controller. Signed-off-by: Jerome Brunet --- drivers/reset/reset-meson.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c index fec55321b52b..3e0447366ba6 100644 --- a/drivers/reset/reset-meson.c +++ b/drivers/reset/reset-meson.c @@ -17,7 +17,7 @@ #include =20 struct meson_reset_param { - int reg_count; + unsigned int reset_num; int reset_offset; int level_offset; bool level_low_reset; @@ -90,7 +90,6 @@ static const struct reset_control_ops meson_reset_ops =3D= { static int meson_reset_probe(struct device *dev, struct regmap *map, const struct meson_reset_param *param) { - unsigned int stride =3D regmap_get_reg_stride(map); struct meson_reset *data; =20 data =3D devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); @@ -100,8 +99,7 @@ static int meson_reset_probe(struct device *dev, struct = regmap *map, data->param =3D param; data->map =3D map; data->rcdev.owner =3D dev->driver->owner; - data->rcdev.nr_resets =3D param->reg_count * BITS_PER_BYTE - * stride; + data->rcdev.nr_resets =3D param->reset_num; data->rcdev.ops =3D &meson_reset_ops; data->rcdev.of_node =3D dev->of_node; =20 @@ -109,21 +107,21 @@ static int meson_reset_probe(struct device *dev, stru= ct regmap *map, } =20 static const struct meson_reset_param meson8b_param =3D { - .reg_count =3D 8, + .reset_num =3D 256, .reset_offset =3D 0x0, .level_offset =3D 0x7c, .level_low_reset =3D true, }; =20 static const struct meson_reset_param meson_a1_param =3D { - .reg_count =3D 3, + .reset_num =3D 96, .reset_offset =3D 0x0, .level_offset =3D 0x40, .level_low_reset =3D true, }; =20 static const struct meson_reset_param meson_s4_param =3D { - .reg_count =3D 6, + .reset_num =3D 192, .reset_offset =3D 0x0, .level_offset =3D 0x40, .level_low_reset =3D true, --=20 2.43.0