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 56937E9A02C for ; Wed, 18 Feb 2026 13:52:27 +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=T9SH7wamcwVLDL0yzNqtHzIgC32rpc3V7NQFnp2ofOw=; b=kmH0k8VhK3t5ktT3zXEWYXc5pB okDfKzto+VF2NRO4Sxr+G7Kc7ykwH8wFmbz8Jw00kaiHni9G2NIkxQP/mUSA8zA2mMTIMRthrVd6W MXRhNnagNRaMg+C95uYeO+qe8laMEWoYbccCtCSQh0vONuSmmQTXi7dKhBYadoRi6kq4SNl8btx+o lKMNHXvRPRlLzJbgdd+qArUu76iBF5TBCZHl67GF/DevMSq+V9LmQCQf8q7kVvqj+2QlJ68+xVn8G NuEOJn57JL+NHMOgylLZsYPoL7MjoC4Kl2EL5K4NHZsJLCKeRJPse4Q96zoP/8klsyE3DJTBXb2rJ Vu3nfi+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vshyY-00000009uG8-2SQu; Wed, 18 Feb 2026 13:52:22 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vshyP-00000009u9K-0bID for linux-arm-kernel@lists.infradead.org; Wed, 18 Feb 2026 13:52:14 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id EF47E42A14; Wed, 18 Feb 2026 13:52:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C91B7C19421; Wed, 18 Feb 2026 13:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771422728; bh=wW1CjkVGdPCI5nAplOtLFmAfLiASoIoaGCuv9cOD/xw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TJ01R0Mq4pmoyi/IvFpH/J9+/Z2cR40nBu3E8CfOlHDfE1aARDuwdW/16Jwtz5tk7 SIt+tUaTa2x9YN/FcsSRUSlHQBf2F2Q3okf5fEkHHMEpLUwbbqmRz4q9qSXUxYtMdt 4IPRHj9mt7k1St7HAsIca6q0kfAEOT6B/yfImeyfq7hOKX3zII7bxAz8TGRmJCO6QK oSic7PZAIjH11i3bhdZr3+5kM+qeayZ8PBQ6k/+BmCO5+vBU6N/Mc38ggZ+66aGmnS anCC196uEzKht5JCjQB9YfpvCDXID9ILoiQe4b3+9rweQB0KPHzAcUL6eqiINqH8Wh cm1/+q2Hg5A7g== 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 1vshyI-0000000Bu02-3spy; Wed, 18 Feb 2026 13:52:06 +0000 From: Marc Zyngier To: Ioana Ciornei , Thomas Gleixner , "Christophe Leroy (CS GROUP)" Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 1/6] fsl-mc: Remove MSI domain propagation to sub-devices Date: Wed, 18 Feb 2026 13:51:58 +0000 Message-ID: <20260218135203.2267907-2-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260218135203.2267907-1-maz@kernel.org> References: <20260218135203.2267907-1-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: ioana.ciornei@nxp.com, tglx@kernel.org, chleroy@kernel.org, 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260218_055213_204272_B3C77C66 X-CRM114-Status: GOOD ( 11.32 ) 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 Only the root device generates MSIs (it is the only one talking to the ITS), so propagating the domain is pretty pointless. Remove it. Signed-off-by: Marc Zyngier --- drivers/bus/fsl-mc/fsl-mc-bus.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index 25845c04e5620..b4a47e6956bf2 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -865,14 +865,12 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, } else { /* * A non-DPRC object has to be a child of a DPRC, use the - * parent's ICID and interrupt domain. + * parent's ICID. */ mc_dev->icid = parent_mc_dev->icid; mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK; mc_dev->dev.dma_mask = &mc_dev->dma_mask; mc_dev->dev.coherent_dma_mask = mc_dev->dma_mask; - dev_set_msi_domain(&mc_dev->dev, - dev_get_msi_domain(&parent_mc_dev->dev)); } /* -- 2.47.3