From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) (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 91BF5249ED; Sun, 1 Sep 2024 03:42:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725162138; cv=none; b=PmP/JpKTrA1hUyGLarOdafhsUkobM+LpkV5maJIz48rYkv5bJJEq0YILP2pcUOdZjPp4b1VaGJdzauPh6JCxZ8ZzCdoCaaMV1UPBpIqDglFvlTZKh9lqn5OQScUbb7nCYkK5BS4r3BX2ee2U5IlNFvy3ERvT38bL/UItqTFh1k4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725162138; c=relaxed/simple; bh=yZ/CVVYjtuS64DONtMZBty84ukZc3qILy66xVEON1SI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=MGeep0dN0NzNkkabG4DfqrzhGY6iGzXzC9fHZh6sV9LC7rBTNw5cW0YLPEhnek8FgeHRpcyr/MX1SujPYM3Z8xvQxfGWg+tF/NFTz7Q0H12dDpETlyUImgYHTdiShcbc1v+qnbVk36TGRl7tAjqP8KxU0mOVCKBbKTkb6UQWUBw= 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=EsPXTDtQ; arc=none smtp.client-ip=209.85.210.171 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="EsPXTDtQ" Received: by mail-pf1-f171.google.com with SMTP id d2e1a72fcca58-71423704ef3so2371390b3a.3; Sat, 31 Aug 2024 20:42:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1725162137; x=1725766937; 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=9gYVZX9F0tsvEizawck6Gs6K9CkXboSi1RjrBxnHjqQ=; b=EsPXTDtQkQTazBC/wHIbFIzApAbXUZWnwi5paifXlPvPZdhWbXstHrfYgJZLhBsD2y oTh3PaymzkXZlZ/cZLlM/3rjpeFTR5IZRrJsCimqmJj5tPf2NOkE/FvmVOKlLbaFy2sB zD8KRnG87SQadShtABVhKRxn+TucuL9V3RgxjTkPfBeSsgk1jdXOwyvRv30shagYpQfP U5Zn96/CRyulPYe6C9QJxpOOzKx32pH3k/da+sYIH75oxKWi47XNFk0dZZw+pUH+5W5J zjY4kssKnrMLlD25ee0aXfmn7AqD0SnkOBF7lDs9NSv15W1y2mWMkh1643ehKsjv8XfD JcOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725162137; x=1725766937; 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=9gYVZX9F0tsvEizawck6Gs6K9CkXboSi1RjrBxnHjqQ=; b=WZwjs7NwfJEvDfapGldc45UsoaZaVYbH/PaUZptP5d61TcBGh/nq/jIa2mlAu6ERMK FJz6x6cZU3AgAYybRSeyo5LpQnnV4SjtgWyH5y/JKxVK6GAoIaXnLqUqIHAOTBcc2Eky gfOKm3WuBC1JbyrFlVEpfR/8MJr5937giH+IYvoMMT0qquBlQaavCP7SzCpcKwmI2G64 jZ2OzbH7pIi0vk8/FeJgpUBWXYdlNl5tr5DXniqGrrJT7snd3NNZTVP9R1ofJ3I/fb6N 4FlTCemhcJZsHcLbNCPkXAqDnDuqe9wS1Qs5v5fkv2JdaB4f4hqAxw4TmOhDNJTO9lav VNhg== X-Forwarded-Encrypted: i=1; AJvYcCUtR9EvlDc0qEvLsq1CK3AJvk3xsEc6XeuDvTS6CEAMxAZvFUa13WVCoac+aoDvnn0IUimMzc2jXe1Mf3FB@vger.kernel.org, AJvYcCXu1PYvtk2YMTPchXTN7Ml3BgXdBBbXYDJ67Z74VQ68inQNUH9fAWIJ7SAW6M+BhBXz0Bfn8Y/f2sT8@vger.kernel.org X-Gm-Message-State: AOJu0YwNLXcl2C2LWXXtbCpkrjvmlPslHXD96XaXSNYgEsqRs6h1ZpQD 7RdqW14VKgtuydeY1mo/pt7wXNCptl8NHoT10aLgS64gVk4M+j/y X-Google-Smtp-Source: AGHT+IFPTZn+Qx6Y7uy1KDmqweQR1DLiZyvrq+mdNBFj8DsOiSWLbxltzHOIzgIY1JSGFgGkZe/9gw== X-Received: by 2002:a05:6a00:813:b0:714:389d:6e6e with SMTP id d2e1a72fcca58-7173b690c10mr5859132b3a.21.1725162136682; Sat, 31 Aug 2024 20:42:16 -0700 (PDT) Received: from localhost.localdomain ([49.130.72.113]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-715e55771ccsm4826767b3a.43.2024.08.31.20.42.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 31 Aug 2024 20:42:16 -0700 (PDT) From: Nick Chan To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, konrad.dybcio@somainline.org, Nick Chan Subject: [PATCH v3 0/4] Add support for A7-A11 AIC Date: Sun, 1 Sep 2024 11:40:03 +0800 Message-ID: <20240901034143.12731-1-towinchenmi@gmail.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, This patch series introduce support for A7-A11 SoCs into the AIC driver by if'ing out some features unavailable on them. For background information about these SoCs, see v1. Changes since v2: - Removed mention of the IPI-always-ack code path in aic_handle_fiq(). The patch to enable A7-A10 SoC to work is a bug fix to avoid accessing sysregs on configurations that do not provide them, and the rest of the message already explains what's going on. Changes since v1: - Corrected dt-binding issues pointed out by Rob, all of A7-M1 gets its own SoC compat, as well as the "apple,aic" generic fallback. - Order the AIC dt-bindings of the SoCs by release dates instead of alphabetical order: 's5l8960x' (A7) -> 't7000' (A8) -> 's8000' (A9) -> 't8010' (A10) -> 't8015' (A11) -> 't8103' (M1) - The patch to disallow local fast IPI on A11 now comes before the patch that enables to AIC driver to work on slow IPI systems. This ensures all IPI-always-ack code path in aic_handle_fiq() is removed by the slow IPI patch. - Keep local fast IPI enabled on AIC2, mistake in V1 - Describe the feature levels in the description of AIC. - Add new patch to remove unneccessary enablement of use_fast_ipi. - Do not try to enable use_local_fast_ipi, because it is enabled by default. In theory M1 can also get the apple,t8015-aic (A11) compatible. However, I do not see a point in doing that. Previous versions: v1: https://lore.kernel.org/asahi/20240829092610.89731-1-towinchenmi@gmail.com v2: https://lore.kernel.org/asahi/20240831055605.3542-1-towinchenmi@gmail.com Nick Chan Konrad Dybcio (1): irqchip/apple-aic: Only access system registers on SoCs which provide them Nick Chan (3): dt-bindings: apple,aic: Document A7-A11 compatibles irqchip/apple-aic: Skip unnecessary setting of use_fast_ipi irqchip/apple-aic: Add a new "Global fast IPIs only" feature level .../interrupt-controller/apple,aic.yaml | 14 ++++- drivers/irqchip/irq-apple-aic.c | 53 +++++++++++++------ 2 files changed, 49 insertions(+), 18 deletions(-) base-commit: 985bf40edf4343dcb04c33f58b40b4a85c1776d4 -- 2.46.0