From nobody Thu Oct 2 06:29:56 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 928E42FF141; Mon, 22 Sep 2025 08:28:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758529725; cv=none; b=TgVXOrx51ZGeYjd/Vj06Y8JJUmD6AaHe7deyAnfZArAsTb6TL3ISs+81B3ZPyfZOsztdWmZ+JWCTApoTKl5uWRKZu12skQju+VfzMrgYTu3+XmH9e3rJsIFUJCNYjmejEXWdZDzI7QjsTpCiN2Gp/6x9OzXbsxawradzq8y/42g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758529725; c=relaxed/simple; bh=Lteyum6sORsX/ORFwgAmQ1CfkVj7VaM8cFC9100KNAw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Rr4uRApjPlYmrUO5jzhIWOD1huYRssC+fR9rL+wA+FdLM10wU9uYtJ8yll3FXKADRaS2SAEURRpqvXcOwGOEYgDk3gOcxoGCn0Qh9IXhzaqk6/LmGNt8zz9Aw9EH3SU8YpjZJHMSMRiy4bh4iLEmm4xDiXH//3p+17DzxGd9bnw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WAlC7Idj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WAlC7Idj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A1E9C4CEF0; Mon, 22 Sep 2025 08:28:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758529725; bh=Lteyum6sORsX/ORFwgAmQ1CfkVj7VaM8cFC9100KNAw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WAlC7IdjkueDZd9RKSjdPgM//0FrH3HoKvQA7ESMD7o+rATw7VpfSQrigXiUqCrBY VZsGeOMgl6oHKLoxh/S2XEGoRLwpCF2RU9YQ/PxSchiFPktF3SjWf7R8mGDUHKPMQW hoXbf9RsTcMpCF59nGRm9N99B1TyYWssUG4F8rtXdPaEXLCStNclRDR+LmMAQpfj8N 1UqkpiTzAaacKZxYImR8bAsHIwUBeLdMREtyRhspgar2aPzX8eWYeIPGiCw4s7Se+T xIlm+AZ09pPoR3BjfrE5UUP/IvgMjzVasjjO4irJ9CKroThTSEMLjcIn7W+V2eyZi4 zdaMgyRrtlP9A== 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 1v0bud-00000008Kds-1aCe; Mon, 22 Sep 2025 08:28:43 +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 , Jonathan Cameron Subject: [PATCH v3 06/26] irqchip/apple-aic: Add FW info retrieval support Date: Mon, 22 Sep 2025 09:28:13 +0100 Message-ID: <20250922082833.2038905-7-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250922082833.2038905-1-maz@kernel.org> References: <20250922082833.2038905-1-maz@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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, jonathan.cameron@huawei.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Content-Type: text/plain; charset="utf-8" Plug the new .get_fwspec_info() callback into the Apple AIC driver, using some of the existing FIQ affinity handling infrastructure. Acked-by: Sven Peter Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-apple-aic.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/irqchip/irq-apple-aic.c b/drivers/irqchip/irq-apple-ai= c.c index 032d66dceb8ec..cb8b6f40ce8d3 100644 --- a/drivers/irqchip/irq-apple-aic.c +++ b/drivers/irqchip/irq-apple-aic.c @@ -651,6 +651,33 @@ static int aic_irq_domain_map(struct irq_domain *id, u= nsigned int irq, return 0; } =20 +static int aic_irq_get_fwspec_info(struct irq_fwspec *fwspec, struct irq_f= wspec_info *info) +{ + const struct cpumask *mask; + u32 intid; + + info->flags =3D 0; + info->affinity =3D NULL; + + if (fwspec->param[0] !=3D AIC_FIQ) + return 0; + + if (fwspec->param_count =3D=3D 3) + intid =3D fwspec->param[1]; + else + intid =3D fwspec->param[2]; + + if (aic_irqc->fiq_aff[intid]) + mask =3D &aic_irqc->fiq_aff[intid]->aff; + else + mask =3D cpu_possible_mask; + + info->affinity =3D mask; + info->flags =3D 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 +780,7 @@ static const struct irq_domain_ops aic_irq_domain_ops = =3D { .translate =3D aic_irq_domain_translate, .alloc =3D aic_irq_domain_alloc, .free =3D aic_irq_domain_free, + .get_fwspec_info =3D aic_irq_get_fwspec_info, }; =20 /* --=20 2.47.3