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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 588CCC4332F for ; Mon, 21 Nov 2022 14:40:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231824AbiKUOj6 (ORCPT ); Mon, 21 Nov 2022 09:39:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231565AbiKUOiH (ORCPT ); Mon, 21 Nov 2022 09:38:07 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED46D9152D; Mon, 21 Nov 2022 06:38:05 -0800 (PST) Message-ID: <20221121091327.271728371@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1669041483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=pglOtQogKZeQllvETY7CSk7rnX36uaU40AecgPWhjoQ=; b=391M42bBt6zLla3u1QfX8pFEu7R357b3+nCAD3BmLZ5p1BBDOUjjpcKkNPe/banH7YtiUO q1QBbThvPTFWQ91FwQnNXhmGzZrZeuZMlhLvQ4o4vaUtnOk6lAYZmVeDwrQKy1ccpmD4fh qxa8waJZiHYml7mqDk/gDwdgW/UpOe6z2HFENoF2KWRm2TPwQw0PyZ6WDx0rbAn8zVfVji juZVSoO1N+ozdmfSEV5n+bx7AO6DoWVV7PKPHNbsUM4SPv1oM/Jnitm5lkc4/dCdI2/lMM qSGqNQHh/eDmMGzAXdQeWBSmTuYRDyRQlsW6/iCQx1GYcKfFXxeCpV7eFMklWA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1669041483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=pglOtQogKZeQllvETY7CSk7rnX36uaU40AecgPWhjoQ=; b=Ek5r2C0PHrpj7mIvSrtps1M2Vcl7Jw8jYkqwi3nsLAi9V2DZ1DeQflV54Jf48xz9X3aYvo zT7J24GKIx5wBoCg== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Joerg Roedel , Will Deacon , linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Marc Zyngier , Greg Kroah-Hartman , Jason Gunthorpe , Dave Jiang , Alex Williamson , Kevin Tian , Dan Williams , Logan Gunthorpe , Ashok Raj , Jon Mason , Allen Hubbe Subject: [patch V2 14/33] PCI/MSI: Remove unused pci_dev_has_special_msi_domain() References: <20221121083657.157152924@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Mon, 21 Nov 2022 15:38:03 +0100 (CET) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The check for special MSI domains like VMD which prevents the interrupt remapping code to overwrite device::msi::domain is not longer required and has been replaced by an x86 specific version which is aware of MSI parent domains. Remove it. Signed-off-by: Thomas Gleixner Acked-by: Bjorn Helgaas --- drivers/pci/msi/irqdomain.c | 21 --------------------- include/linux/msi.h | 1 - 2 files changed, 22 deletions(-) --- a/drivers/pci/msi/irqdomain.c +++ b/drivers/pci/msi/irqdomain.c @@ -414,24 +414,3 @@ struct irq_domain *pci_msi_get_device_do DOMAIN_BUS_PCI_MSI); return dom; } - -/** - * pci_dev_has_special_msi_domain - Check whether the device is handled by - * a non-standard PCI-MSI domain - * @pdev: The PCI device to check. - * - * Returns: True if the device irqdomain or the bus irqdomain is - * non-standard PCI/MSI. - */ -bool pci_dev_has_special_msi_domain(struct pci_dev *pdev) -{ - struct irq_domain *dom = dev_get_msi_domain(&pdev->dev); - - if (!dom) - dom = dev_get_msi_domain(&pdev->bus->dev); - - if (!dom) - return true; - - return dom->bus_token != DOMAIN_BUS_PCI_MSI; -} --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -606,7 +606,6 @@ struct irq_domain *pci_msi_create_irq_do struct irq_domain *parent); u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev); struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev); -bool pci_dev_has_special_msi_domain(struct pci_dev *pdev); #else /* CONFIG_PCI_MSI */ static inline struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev) {