From nobody Tue Dec 16 15:12:15 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 51B5E313523; Mon, 20 Oct 2025 12:30:11 +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=1760963411; cv=none; b=jM7GBmbAWdENDVOqsGzWBpSPc4j3wIp8WbpOxRreTOOeAnfisKtYiI7gZGB9q6Cn2ykndVKrfrFarwfZSVz3GRL0T5dYaU3s/oZBfqhiTUqq7joiTO74Sf/RjK5ewxjET9H5pISIkwvIvr1+RaiuTWQc2A9d01Pap4KHIbRglhc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963411; c=relaxed/simple; bh=Qt273pw+MN6rE7hFzvmJUPrGSE98e5wVy5jP/E+uQbc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pRmK4o2HkxO3fG/yj4Hu2ZcufVLQu4IZvk292UIvcc28bXejG5dzdymrbkJFCzkSDX0KEUA0WRtt6R1b6p5EsoXh2tQHu16Dus5FgW8y3pxgd878V6eKT+rZnEsU8pxMLBM4f4PrQeMRyzdMkanSkcZdMD5nHTV3Bf7f4RezD8I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RO5U1IzO; 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="RO5U1IzO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB0AEC19422; Mon, 20 Oct 2025 12:30:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760963410; bh=Qt273pw+MN6rE7hFzvmJUPrGSE98e5wVy5jP/E+uQbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RO5U1IzObhruD9T6sWbYuFAYXCscBY7XUlCDtXK2X95pC9dewhOnpk00RkVlPpWdw atZyGTomiErROMwylQVPI7+GdXKSsyQqxJmxaM73Ap3zEsLpDWIcMzbV1R7ZhBTSCh 9URLWAAhRc88HIDLQfJmtfsnaz3v4Umshs3Du+IyDo+XLhImcTtnrMrBO6w4krxUZp 05pk2KSX9KUqeE85Aib4QMbKEVOdenF29/CE+Wjfy7JZ+ZolyUtNCT2LClckK1eVUv Tmp2MYkCNEJ5RDQdJXllezB59N9bVoPukOgbcTNw2QX9yAHo3ns2YDN83FFr7yyU6D 83Je3CekjyEsA== 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 1vAp1c-0000000FUu2-494k; Mon, 20 Oct 2025 12:30:09 +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 , Jinjie Ruan , Alexandru Elisei Subject: [PATCH v4 06/26] irqchip/apple-aic: Add FW info retrieval support Date: Mon, 20 Oct 2025 13:29:23 +0100 Message-ID: <20251020122944.3074811-7-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251020122944.3074811-1-maz@kernel.org> References: <20251020122944.3074811-1-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, ruanjinjie@huawei.com, alexandru.elisei@arm.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 Tested-by: Will Deacon 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