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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F427C4332F for ; Mon, 14 Feb 2022 20:57:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229919AbiBNU5K (ORCPT ); Mon, 14 Feb 2022 15:57:10 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229967AbiBNU4w (ORCPT ); Mon, 14 Feb 2022 15:56:52 -0500 Received: from polaris.svanheule.net (polaris.svanheule.net [IPv6:2a00:c98:2060:a004:1::200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7B1FDAAE6 for ; Mon, 14 Feb 2022 12:56:29 -0800 (PST) Received: from terra.local.svanheule.net (104.153-136-217.adsl-dyn.isp.belgacom.be [217.136.153.104]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sander@svanheule.net) by polaris.svanheule.net (Postfix) with ESMTPSA id 408372A25F9; Mon, 14 Feb 2022 19:57:06 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=svanheule.net; s=mail1707; t=1644865026; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=3OUln+Jd0vJItj9ItdKh+4cBql28ktOQKrgUUfEdlPE=; b=uCaRK2g3ZKjFT3BEwVnQptvk8V5RNfvlFgivnxJ6FPO/LG/W/ybE1lDK+xNFvzcD6D97w/ q+hdTNNr07Av9BFTs58L2K5Hr3w3hxxBf2PZjhqQfwvQni0dSjEfIWD5xusWf3FwtPLvB8 aHPXQ6RDWUwceQJQ2pfYunzte5o5zSOGUkLZKOj7w78w5yusPigakZ3AAaKX5ol0CyOhe/ 7AFUpx+ItIzFjAz+MHbirS2qOschPjYhClmY2MDoGnR01a4bOQkTVY+d8k7gJj92wCYAZp xAhQKDXk5xUVMI1P1hCulmI1TDpsp+HTst4xJiXZRgo1CUKmUBpc6qEx+GB7oA== From: Sander Vanheule To: Marc Zyngier , Rob Herring , devicetree@vger.kernel.org Cc: Thomas Gleixner , Birger Koblitz , Bert Vermeulen , John Crispin , linux-kernel@vger.kernel.org, Sander Vanheule Subject: [PATCH v5 0/4] Per-parent domains for realtek-rtl IRQ driver Date: Mon, 14 Feb 2022 19:56:57 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The original implementation for this interrupt controller/router used an interrupt-map parser to determine which parent interrupts were present. However, this controller is not transparent, so a list of parent interrupts seems more appropriate, while also getting rid of the assumed routing to parent interrupts. Additionally, N real cascaded interrupts are implemented, instead of handling all input interrupts with one cascaded interrupt. Otherwise it is possible that the priority of the parent interrupts is not respected. Changes since v4: Link: https://lore.kernel.org/all/cover.1644165421.git.sander@svanheule.net/ - Add Rob's Reviewed-by - Use irq_domain_add_linear instead of irq_domain_add_simple - Drop 'inline' specifiers from static functions - Drop WARN in intc_select() to only warn once for old bindings Changes since v3: Link: https://lore.kernel.org/all/cover.1641739718.git.sander@svanheule.net/ - Patches with fixes were merged, so these are no longer included. - Update the devicetree changes to more clearly indicate the controller is not transparent. Changes since v2 (RFC): Link: https://lore.kernel.org/all/cover.1640548009.git.sander@svanheule.net/ - Define new, two-part compatibles for devicetree bindings. The existing format is kept for the old one-part compatible, but deprecated. New compatibles will require a different way of specifying parent interrupts and interrupt routing. - Add change to handle all pending SoC interrupts in one go. Changes since v1 (RFC): Link: https://lore.kernel.org/all/cover.1640261161.git.sander@svanheule.net/ - Split some of the changes to limit the patch scope to one issue. - Dropped some small (spurious or unneeded) changes - Instead of dropping/replacing interrupt-map, the last patches now provide an implementation that amends the current situtation. Sander Vanheule (4): irqchip/realtek-rtl: use irq_domain_add_linear dt-bindings: interrupt-controller: realtek,rtl-intc: require parents irqchip/realtek-rtl: use parent interrupts irqchip/realtek-rtl: use per-parent domains .../realtek,rtl-intc.yaml | 82 +++++-- drivers/irqchip/irq-realtek-rtl.c | 231 ++++++++++++------ 2 files changed, 221 insertions(+), 92 deletions(-) -- 2.35.1