{"id":2197777,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197777/?format=json","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.0/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/"},"msgid":"<20260218135203.2267907-2-maz@kernel.org>","date":"2026-02-18T13:51:58","name":"[1/6] fsl-mc: Remove MSI domain propagation to sub-devices","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"8ee09adef13496ead1cda94bf6631f8647e8973b","submitter":{"id":77095,"url":"http://patchwork.ozlabs.org/api/1.0/people/77095/?format=json","name":"Marc Zyngier","email":"maz@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260218135203.2267907-2-maz@kernel.org/mbox/","series":[{"id":492556,"url":"http://patchwork.ozlabs.org/api/1.0/series/492556/?format=json","date":"2026-02-18T13:51:58","name":"fsl-mc: Move fsl_over to device MSI","version":1,"mbox":"http://patchwork.ozlabs.org/series/492556/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197777/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=TJ01R0Mq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=TJ01R0Mq; dkim-atps=neutral;\n spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=maz@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1771422728;\n\tbh=wW1CjkVGdPCI5nAplOtLFmAfLiASoIoaGCuv9cOD/xw=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=TJ01R0Mq4pmoyi/IvFpH/J9+/Z2cR40nBu3E8CfOlHDfE1aARDuwdW/16Jwtz5tk7\n\t SIt+tUaTa2x9YN/FcsSRUSlHQBf2F2Q3okf5fEkHHMEpLUwbbqmRz4q9qSXUxYtMdt\n\t 4IPRHj9mt7k1St7HAsIca6q0kfAEOT6B/yfImeyfq7hOKX3zII7bxAz8TGRmJCO6QK\n\t oSic7PZAIjH11i3bhdZr3+5kM+qeayZ8PBQ6k/+BmCO5+vBU6N/Mc38ggZ+66aGmnS\n\t anCC196uEzKht5JCjQB9YfpvCDXID9ILoiQe4b3+9rweQB0KPHzAcUL6eqiINqH8Wh\n\t cm1/+q2Hg5A7g==","From":"Marc Zyngier ","To":"Ioana Ciornei ,\n\tThomas Gleixner ,\n\t\"Christophe Leroy (CS GROUP)\" ","Cc":"linux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinuxppc-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>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","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,\n linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,\n linuxppc-dev@lists.ozlabs.org","X-SA-Exim-Mail-From":"maz@kernel.org","X-SA-Exim-Scanned":"No (on disco-boy.misterjones.org);\n SAEximRunCond expanded to false","X-Spam-Status":"No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"Only the root device generates MSIs (it is the only one talking to\nthe ITS), so propagating the domain is pretty pointless. Remove it.\n\nSigned-off-by: Marc Zyngier \n---\n drivers/bus/fsl-mc/fsl-mc-bus.c | 4 +---\n 1 file changed, 1 insertion(+), 3 deletions(-)","diff":"diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c\nindex 25845c04e5620..b4a47e6956bf2 100644\n--- a/drivers/bus/fsl-mc/fsl-mc-bus.c\n+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c\n@@ -865,14 +865,12 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,\n \t} else {\n \t\t/*\n \t\t * A non-DPRC object has to be a child of a DPRC, use the\n-\t\t * parent's ICID and interrupt domain.\n+\t\t * parent's ICID.\n \t\t */\n \t\tmc_dev->icid = parent_mc_dev->icid;\n \t\tmc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;\n \t\tmc_dev->dev.dma_mask = &mc_dev->dma_mask;\n \t\tmc_dev->dev.coherent_dma_mask = mc_dev->dma_mask;\n-\t\tdev_set_msi_domain(&mc_dev->dev,\n-\t\t\t\t dev_get_msi_domain(&parent_mc_dev->dev));\n \t}\n \n \t/*\n","prefixes":["1/6"]}