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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3570BCA0FED for ; Tue, 9 Sep 2025 06:46:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gL2Gb0ULaWVO45yVHlK+j6TGeTVy1c1bZu9adqiFDXY=; b=S8EFBTf7nbDNtNBjGKohBcth1p 0/0D15t/ZHcWZKgBm7lxj+sv2iqqs+LCEi2/emfnfrG7M/D3fOH+p6+7RshbEVZc+je76aHE6fX1Z BxrxG0F3IoF7UinaO91jtraR/tj5s3nyH7tJPhG9ap1Z3I25taCqVxEu+EynFXIOw4VvaVUq5m8tZ JDqffNbNHayuRg5iQfaNAMCIIv98tnKLz2pT1ap/mi8699PO3lwg7HOBnJo5o4NHjtj1z3GCM3J1+ flUjX9fdPUqp75oe/81u1bm5psxEXHaz6zq8v+0EpkNqYHSAuCwtbKMCLuMBW6kh64QrQCO8kmB7K MeUKaZ1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvs6t-00000004mKm-19Cx; Tue, 09 Sep 2025 06:45:47 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvemU-00000000lOR-1Bnq for linux-arm-kernel@lists.infradead.org; Mon, 08 Sep 2025 16:31:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2AF4744A4D; Mon, 8 Sep 2025 16:31:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 081DDC4CEF9; Mon, 8 Sep 2025 16:31:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757349109; bh=UgM/OqUibOh9R2u8nSkBg+Ss9N12aimxIdS7tXj+GS0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YvqGokMqYuzQK5qItVr7GesEOxxrfiRvN/NEUPnLtbx0PXK5Ho4pWEiHiyDJiA1F2 y2oEWjY5WpXqXovP8S2VZiqMkx78MtClRNYj/5KKmKVM7puNQPHoYGrlMxjPuxZTRo 3wTrsB45/T7LpyffrkbBMX3Jy+xn0yFGPANpdiJ6fzSqSjkAnTTzvgIYJRuJk050E7 OiE+IFIO/8ggFTL3T9QX9f1w32TOY3QxsHGXgshVRTIb9qS97bg8W6QxPkNmMeXJ2V tBNiprX8A8W56C+QpMyGPLTk7fKnBMgNTsRaQSVvKe0PvTHB/9ZX/Q63LnAnKA9yuY 9J/8raovlu3Tg== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1uvemR-00000004NTm-0XAg; Mon, 08 Sep 2025 16:31:47 +0000 From: Marc Zyngier To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org Cc: Thomas Gleixner , Mark Rutland , Will Deacon , "Rafael J. Wysocki" , Rob Herring , Saravana Kannan , Greg Kroah-Hartman , Sven Peter , Janne Grunau , Suzuki K Poulose , James Clark Subject: [PATCH 06/25] irqchip/apple-aic: Add FW info retrieval support Date: Mon, 8 Sep 2025 17:31:08 +0100 Message-Id: <20250908163127.2462948-7-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250908163127.2462948-1-maz@kernel.org> References: <20250908163127.2462948-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, tglx@linutronix.de, mark.rutland@arm.com, will@kernel.org, rafael@kernel.org, robh@kernel.org, saravanak@google.com, gregkh@linuxfoundation.org, sven@kernel.org, j@jannau.net, suzuki.poulose@arm.com, james.clark@linaro.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250908_093150_427207_BD7C9C24 X-CRM114-Status: GOOD ( 16.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Plug the new .get_info() callback into the Apple AIC driver, using some of the existing FIQ affinity handling infrastructure. Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-apple-aic.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/irqchip/irq-apple-aic.c b/drivers/irqchip/irq-apple-aic.c index 032d66dceb8ec..dd89e50a72e83 100644 --- a/drivers/irqchip/irq-apple-aic.c +++ b/drivers/irqchip/irq-apple-aic.c @@ -651,6 +651,36 @@ static int aic_irq_domain_map(struct irq_domain *id, unsigned int irq, return 0; } +static int aic_irq_get_info(struct irq_fwspec_info *info) +{ + struct irq_fwspec *fwspec = &info->fwspec; + const struct cpumask *mask; + u32 intid; + + info->flags = 0; + info->affinity = NULL; + + if (fwspec->param[0] != AIC_FIQ) + return 0; + + if (fwspec->param_count == 3) + intid = fwspec->param[1]; + else + intid = fwspec->param[2]; + + if (aic_irqc->fiq_aff[intid]) + mask = &aic_irqc->fiq_aff[intid]->aff; + else + mask = cpu_possible_mask; + + info->affinity = mask; + + info->flags = (IRQ_FWSPEC_INFO_FWSPEC_VALID | + IRQ_FWSPEC_INFO_AFFINITY_VALID); + + return 0; +} + static int aic_irq_domain_translate(struct irq_domain *id, struct irq_fwspec *fwspec, unsigned long *hwirq, @@ -753,6 +783,7 @@ static const struct irq_domain_ops aic_irq_domain_ops = { .translate = aic_irq_domain_translate, .alloc = aic_irq_domain_alloc, .free = aic_irq_domain_free, + .get_info = aic_irq_get_info, }; /* -- 2.39.2