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 D2F25E9B24D for ; Tue, 24 Feb 2026 10:09:54 +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=o3aFZkTFo6qE95gUNZWoWD2UnJD4ca4+RPcR5rfIP54=; b=EAeeJn8TmHF4KVr8hPUvI32yAE v7YWdv4L34x2IHVbxHkdINCI7/9lyUvB8KESnZ1RIde9Z3UUVqDbGo95qqwxlhIPGCpjtvcxJIRDu SdpSxpkJGGXCNCBg6uXp6R/5kmjNZA5GihTEv/hjieQy3/RpGKUYIuofI/x0VW8zTwm9Jm3P7GuGq iXlSovC/YCIY8nIXcUJhNStETSO8WUuK3gKHJYol2UJ3+HW60LuHjKbWOhEIgEhnYpilC5OV0DXJ4 50r6vamlBgStfkN8AC1nAWV/vl9xLuXT4byIE7Wtv9U0p+9LtSznMBQlNFRKG/vtC0snLDiaK512A khf0+wBg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vupMT-00000001pFJ-42eg; Tue, 24 Feb 2026 10:09:49 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vupMT-00000001pEx-0IFd for linux-arm-kernel@lists.infradead.org; Tue, 24 Feb 2026 10:09:49 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8183461336; Tue, 24 Feb 2026 10:09:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 327E2C116D0; 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=AckF3xFv3RkFn2rCAMv8OnSIMcQRU5FCIBwvh/LY0BA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ivbQeShOSKXsmubiwKPszuyUkChI7ON4V0pULOaiPtD0++8HaIsE/hvKQ9WF0hBn9 g+90fQ/i6Pxbk3n6qZwTMmUeMY8VGu0SapN3A7bCR3id26lmbv1XcDVsxawvs0Bgap Ps0s98jrNuTLoDcy4CHQ22+VWRAphBFaLo69GKGuwYAEC2kY/cphsY0FIAuKalIVlI YRGQcOd5g+mPmVi0u04JQJQ3Fx7nPFiLeCeSRH6IO9/rANPtG8Fh9w2Z5xo34UBszb pZ3PR7rHklvi/pkv7vdyJLdQ1dVvQglMxUmwNuzlpZF4wnMFwObOBdRSrwTX0jDaw5 BeffElhFbTAxA== 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 1vupMP-0000000DIa5-3TiK; Tue, 24 Feb 2026 10:09:45 +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 1/6] fsl-mc: Remove MSI domain propagation to sub-devices Date: Tue, 24 Feb 2026 10:09:31 +0000 Message-ID: <20260224100936.3752303-2-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> 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 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. Reviewed-by: Ioana Ciornei Tested-by: Ioana Ciornei # LX2160ARDB, LS2088ARDB Tested-by: Sascha Bischoff 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 c117745cf2065..1a6c8e3c0b27f 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -854,14 +854,12 @@ 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