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 37C1032863F for ; Wed, 18 Feb 2026 13:52:08 +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=1771422729; cv=none; b=rn4slbgwB17G8KMOLcyysVK/+NRwR/Z7bBb5t8q35qBXRICYaB2M+sO7oq1EzVzlvu3qFyZ4sTUs1HWYyiM5IENjALHLpdWMBRdf3YiBA79ac/DEim1tTme3mmY8Ov4FQ9Qls+yq44f03TAko16kSAHDT37CV+4dwOoptw39KyA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771422729; c=relaxed/simple; bh=wW1CjkVGdPCI5nAplOtLFmAfLiASoIoaGCuv9cOD/xw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oz9/Zmf2zc6/f2b7W4dGVNmouYqJw5T8mye9TDADYZvJ4+LoLIAOPwIiWqeuMBx0rGWmJZXoPFh6L+4RvxlFLRVgPNX1RC/1SESJjfr3C03QN0T8KkLGM2HUuMnsTHxytL057zHgN+EjKwuoGmhJOqHWTeUf4vDpiHfe5j7zDfQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TJ01R0Mq; 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="TJ01R0Mq" 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> 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, 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 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