From mboxrd@z Thu Jan 1 00:00:00 1970 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 A495137756B for ; Tue, 24 Feb 2026 10:09:48 +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=1771927788; cv=none; b=JR6gZpkplISak5765GdK8u4MimWZ0YYCtZj/gZIecEOANL811s7XxnCliAMPL9DGxWl+cM6DcchEo9U7HuwpF7QRLzgTjzqYQCKtzCQLjLyL4lEwC+loSU3I+a+Q5H7aeTbWDppOVqI2PgYYp4OPvBgzw+AmMcW/lsHmUV7CT1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771927788; c=relaxed/simple; bh=hsCQhGflSwjmOOlm9wV6+2iHnF8xoCeNa3HV8QtpTIo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=O5dEIdm15MFL5t8fFdnypcpWnw+99aRRvw28GdStppMWWnelYAHkvIANVjo14tX/2FwfawNJyJJcHvd3rDWU7xvGqP/GGBI6gpJhs6MuZmM5hnFdkUWRgu7AfQxtD5yGoyptKXXYY82gc210i2PHCYtBxIHfDOSvPuzhcKfyPsI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Jfg8+cOl; 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="Jfg8+cOl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81D6DC2BCAF; Tue, 24 Feb 2026 10:09:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771927788; bh=hsCQhGflSwjmOOlm9wV6+2iHnF8xoCeNa3HV8QtpTIo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jfg8+cOl4ZROIlq75g/zbRWA5RZsKZFwCLFu9ML0xh3yavj7Gr9gC49zC+9v6eMJY pqesAKHcmJbcbGTRx3DuY5Ult7dqQ/Af8fI8zFCeeTIxG/s/9PjRN1T5TbsPuj+zgd qYo4TbIAAc7L6aOi6odjUa7Pt6RFUIibW1ol8phLKXEPdF8uuGxFNilEGSj/E+SoTo Kj4c+dFwBDiN0dNYQ5neqwt1sux5h4ewMdsHxh+VbBlngelziRXFArZ5UdD2ePYKRZ P+NOOoMrcRUSXzPyT2xnLLZ8bIATh/Dx4cDU3Z+CRRHnG1PTtHuW0lhWZBacnEM5of FrAoGZHVj2gyw== 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 1vupMQ-0000000DIa5-1EUE; Tue, 24 Feb 2026 10:09:46 +0000 From: Marc Zyngier To: Ioana Ciornei , Thomas Gleixner , "Christophe Leroy (CS GROUP)" Cc: Sascha Bischoff , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 3/6] irqchip/gic-v3-its: Add fsl_mc device plumbing to the msi-parent handling Date: Tue, 24 Feb 2026 10:09:33 +0000 Message-ID: <20260224100936.3752303-4-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260224100936.3752303-1-maz@kernel.org> References: <20260224100936.3752303-1-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: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: ioana.ciornei@nxp.com, tglx@kernel.org, chleroy@kernel.org, sascha.bischoff@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Make the ITS code aware of fsl_mc devices by plumbing the devid retrieval primitive. Reviewed-by: Ioana Ciornei Tested-by: Ioana Ciornei # LX2160ARDB, LS2088ARDB Tested-by: Sascha Bischoff Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic-its-msi-parent.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-gic-its-msi-parent.c b/drivers/irqchip/irq-gic-its-msi-parent.c index a832cdb2e6978..d36b278ae66c5 100644 --- a/drivers/irqchip/irq-gic-its-msi-parent.c +++ b/drivers/irqchip/irq-gic-its-msi-parent.c @@ -5,6 +5,7 @@ // Copyright (C) 2022 Intel #include +#include #include #include @@ -187,9 +188,11 @@ static int its_pmsi_prepare(struct irq_domain *domain, struct device *dev, { struct msi_domain_info *msi_info; u32 dev_id; - int ret; + int ret = 0; - if (dev->of_node) + if (dev_is_fsl_mc(dev)) + dev_id = fsl_mc_get_msi_id(dev); + else if (dev->of_node) ret = of_pmsi_get_msi_info(domain->parent, dev, &dev_id, NULL); else ret = iort_pmsi_get_msi_info(dev, &dev_id, NULL); -- 2.47.3