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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g16-20020a1709065d1000b0072af6d136a4si6785897ejt.805.2022.07.22.16.39.37; Fri, 22 Jul 2022 16:40:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=t4UyYJRP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236398AbiGVXib (ORCPT + 99 others); Fri, 22 Jul 2022 19:38:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229611AbiGVXi2 (ORCPT ); Fri, 22 Jul 2022 19:38:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA3418C8E5; Fri, 22 Jul 2022 16:38:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 65158B82B1C; Fri, 22 Jul 2022 23:38:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89EC5C341CA; Fri, 22 Jul 2022 23:38:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658533104; bh=McSqP94KWRevQHkCeK9y2ojZI5ZwfWiMyOnTof4VG6A=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=t4UyYJRPp5zbDSHqtRxl8U+SV4WCw4HHtixAgeOLizMQOyqbVMYjovNXDlBQSX3YL cLdbIqr72MCf3qgl3QujY6RwW6QefDiBEwjm8aFsGqTZhPA4iAzcJp6/+4QLt0rDfo CrBP4V3XLc7VytO5u+Ll2kW77y2qSmQjgjAACq83G2SIcpWyWdc2XC4vacgDD+ZKpy 8VuCjBGynrbCtWJeJ4Va0vVIwvn4HcAeJgK4KUpTYpJTNEYPNVe5K9yboKGl9tc1pY f9E/ufRQU7k0IjMVgeoKz+M/yVELq5EfrNme6lqU0PZpVwOQATy/HAvGSWAoGM/srS S1XsmVSOWtqQA== Date: Fri, 22 Jul 2022 18:38:21 -0500 From: Bjorn Helgaas To: Stafford Horne Cc: LKML , Arnd Bergmann , Geert Uytterhoeven , Pierre Morel , "Rafael J . Wysocki" , Christoph Hellwig , Richard Henderson , Ivan Kokshaysky , Matt Turner , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , "David S. Miller" , Richard Weinberger , Anton Ivanov , Johannes Berg , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , Bjorn Helgaas , Sergio Paracuellos , Greg Kroah-Hartman , Tiezhu Yang , Nick Child , Niklas Schnelle , Matthew Rosato , Kees Cook , "Gustavo A. R. Silva" , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH v6 1/4] PCI: Remove pci_get_legacy_ide_irq and asm-generic/pci.h Message-ID: <20220722233821.GA1979844@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220722214944.831438-2-shorne@gmail.com> X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 23, 2022 at 06:49:41AM +0900, Stafford Horne wrote: > The definition of the pci header function pci_get_legacy_ide_irq is only > used in platforms that support PNP. So many of the architecutres where > it is defined do not use it. This also means we can remove > asm-generic/pci.h as all it provides is a definition of > pci_get_legacy_ide_irq. > > Where referenced, replace the usage of pci_get_legacy_ide_irq with the > libata.h macros ATA_PRIMARY_IRQ and ATA_SECONDARY_IRQ which provide the > same functionality. This allows removing pci_get_legacy_ide_irq from > headers where it is no longer used. > > Acked-by: Geert Uytterhoeven > Acked-by: Pierre Morel > Acked-by: Rafael J. Wysocki > Reviewed-by: Christoph Hellwig > Co-developed-by: Arnd Bergmann > Signed-off-by: Arnd Bergmann > Signed-off-by: Stafford Horne I applied all 4 patches in this series to pci/header-cleanup-immutable for v5.20. https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=pci/header-cleanup-immutable > --- > arch/alpha/include/asm/pci.h | 6 ------ > arch/arm/include/asm/pci.h | 5 ----- > arch/arm64/include/asm/pci.h | 6 ------ > arch/csky/include/asm/pci.h | 6 ------ > arch/ia64/include/asm/pci.h | 6 ------ > arch/m68k/include/asm/pci.h | 2 -- > arch/mips/include/asm/pci.h | 6 ------ > arch/parisc/include/asm/pci.h | 5 ----- > arch/powerpc/include/asm/pci.h | 1 - > arch/riscv/include/asm/pci.h | 6 ------ > arch/s390/include/asm/pci.h | 1 - > arch/sh/include/asm/pci.h | 6 ------ > arch/sparc/include/asm/pci.h | 9 --------- > arch/um/include/asm/pci.h | 8 -------- > arch/x86/include/asm/pci.h | 3 --- > arch/xtensa/include/asm/pci.h | 3 --- > drivers/pnp/resource.c | 5 +++-- > include/asm-generic/pci.h | 17 ----------------- > 18 files changed, 3 insertions(+), 98 deletions(-) > delete mode 100644 include/asm-generic/pci.h > > diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h > index cf6bc1e64d66..6312656279d7 100644 > --- a/arch/alpha/include/asm/pci.h > +++ b/arch/alpha/include/asm/pci.h > @@ -56,12 +56,6 @@ struct pci_controller { > > /* IOMMU controls. */ > > -/* TODO: integrate with include/asm-generic/pci.h ? */ > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > - > #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index > > static inline int pci_proc_domain(struct pci_bus *bus) > diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h > index 68e6f25784a4..5916b88d4c94 100644 > --- a/arch/arm/include/asm/pci.h > +++ b/arch/arm/include/asm/pci.h > @@ -22,11 +22,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) > #define HAVE_PCI_MMAP > #define ARCH_GENERIC_PCI_MMAP_RESOURCE > > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > - > extern void pcibios_report_status(unsigned int status_mask, int warn); > > #endif /* __KERNEL__ */ > diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h > index b33ca260e3c9..0aebc3488c32 100644 > --- a/arch/arm64/include/asm/pci.h > +++ b/arch/arm64/include/asm/pci.h > @@ -23,12 +23,6 @@ > extern int isa_dma_bridge_buggy; > > #ifdef CONFIG_PCI > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - /* no legacy IRQ on arm64 */ > - return -ENODEV; > -} > - > static inline int pci_proc_domain(struct pci_bus *bus) > { > return 1; > diff --git a/arch/csky/include/asm/pci.h b/arch/csky/include/asm/pci.h > index ebc765b1f78b..0535f1aaae38 100644 > --- a/arch/csky/include/asm/pci.h > +++ b/arch/csky/include/asm/pci.h > @@ -18,12 +18,6 @@ > extern int isa_dma_bridge_buggy; > > #ifdef CONFIG_PCI > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - /* no legacy IRQ on csky */ > - return -ENODEV; > -} > - > static inline int pci_proc_domain(struct pci_bus *bus) > { > /* always show the domain in /proc */ > diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h > index 8c163d1d0189..fa8f545c24c9 100644 > --- a/arch/ia64/include/asm/pci.h > +++ b/arch/ia64/include/asm/pci.h > @@ -63,10 +63,4 @@ static inline int pci_proc_domain(struct pci_bus *bus) > return (pci_domain_nr(bus) != 0); > } > > -#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14); > -} > - > #endif /* _ASM_IA64_PCI_H */ > diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h > index 5a4bc223743b..ccdfa0dc8413 100644 > --- a/arch/m68k/include/asm/pci.h > +++ b/arch/m68k/include/asm/pci.h > @@ -2,8 +2,6 @@ > #ifndef _ASM_M68K_PCI_H > #define _ASM_M68K_PCI_H > > -#include > - > #define pcibios_assign_all_busses() 1 > > #define PCIBIOS_MIN_IO 0x00000100 > diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h > index 9ffc8192adae..3fd6e22c108b 100644 > --- a/arch/mips/include/asm/pci.h > +++ b/arch/mips/include/asm/pci.h > @@ -139,10 +139,4 @@ static inline int pci_proc_domain(struct pci_bus *bus) > /* Do platform specific device initialization at pci_enable_device() time */ > extern int pcibios_plat_dev_init(struct pci_dev *dev); > > -/* Chances are this interrupt is wired PC-style ... */ > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > - > #endif /* _ASM_PCI_H */ > diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h > index f14465b84de4..127ed5021ae3 100644 > --- a/arch/parisc/include/asm/pci.h > +++ b/arch/parisc/include/asm/pci.h > @@ -162,11 +162,6 @@ extern void pcibios_init_bridge(struct pci_dev *); > #define PCIBIOS_MIN_IO 0x10 > #define PCIBIOS_MIN_MEM 0x1000 /* NBPG - but pci/setup-res.c dies */ > > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > - > #define HAVE_PCI_MMAP > #define ARCH_GENERIC_PCI_MMAP_RESOURCE > > diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h > index 915d6ee4b40a..f9da506751bb 100644 > --- a/arch/powerpc/include/asm/pci.h > +++ b/arch/powerpc/include/asm/pci.h > @@ -39,7 +39,6 @@ > #define pcibios_assign_all_busses() \ > (pci_has_flag(PCI_REASSIGN_ALL_BUS)) > > -#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ > static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > { > if (ppc_md.pci_get_legacy_ide_irq) > diff --git a/arch/riscv/include/asm/pci.h b/arch/riscv/include/asm/pci.h > index 7fd52a30e605..a7b8f0d0df7f 100644 > --- a/arch/riscv/include/asm/pci.h > +++ b/arch/riscv/include/asm/pci.h > @@ -23,12 +23,6 @@ > extern int isa_dma_bridge_buggy; > > #ifdef CONFIG_PCI > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - /* no legacy IRQ on risc-v */ > - return -ENODEV; > -} > - > static inline int pci_proc_domain(struct pci_bus *bus) > { > /* always show the domain in /proc */ > diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h > index fdb9745ee998..5889ddcbc374 100644 > --- a/arch/s390/include/asm/pci.h > +++ b/arch/s390/include/asm/pci.h > @@ -6,7 +6,6 @@ > #include > #include > #include > -#include > #include > #include > #include > diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h > index ad22e88c6657..54c30126ea17 100644 > --- a/arch/sh/include/asm/pci.h > +++ b/arch/sh/include/asm/pci.h > @@ -88,10 +88,4 @@ static inline int pci_proc_domain(struct pci_bus *bus) > return hose->need_domain_info; > } > > -/* Chances are this interrupt is wired PC-style ... */ > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > - > #endif /* __ASM_SH_PCI_H */ > diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h > index 4deddf430e5d..0c58f65bd172 100644 > --- a/arch/sparc/include/asm/pci.h > +++ b/arch/sparc/include/asm/pci.h > @@ -40,13 +40,4 @@ static inline int pci_proc_domain(struct pci_bus *bus) > #define get_pci_unmapped_area get_fb_unmapped_area > #endif /* CONFIG_SPARC64 */ > > -#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI) > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return PCI_IRQ_NONE; > -} > -#else > -#include > -#endif > - > #endif /* ___ASM_SPARC_PCI_H */ > diff --git a/arch/um/include/asm/pci.h b/arch/um/include/asm/pci.h > index da13fd5519ef..26b96c02ef61 100644 > --- a/arch/um/include/asm/pci.h > +++ b/arch/um/include/asm/pci.h > @@ -11,14 +11,6 @@ > > extern int isa_dma_bridge_buggy; > > -#ifdef CONFIG_PCI > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - /* no legacy IRQs */ > - return -ENODEV; > -} > -#endif > - > #ifdef CONFIG_PCI_DOMAINS > static inline int pci_proc_domain(struct pci_bus *bus) > { > diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h > index f3fd5928bcbb..736793d65bcb 100644 > --- a/arch/x86/include/asm/pci.h > +++ b/arch/x86/include/asm/pci.h > @@ -105,9 +105,6 @@ static inline void early_quirks(void) { } > > extern void pci_iommu_alloc(void); > > -/* generic pci stuff */ > -#include > - > #ifdef CONFIG_NUMA > /* Returns the node based on pci bus */ > static inline int __pcibus_to_node(const struct pci_bus *bus) > diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h > index 8e2b48a268db..b56de9635b6c 100644 > --- a/arch/xtensa/include/asm/pci.h > +++ b/arch/xtensa/include/asm/pci.h > @@ -43,7 +43,4 @@ > #define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 > #define arch_can_pci_mmap_io() 1 > > -/* Generic PCI */ > -#include > - > #endif /* _XTENSA_PCI_H */ > diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c > index 2fa0f7d55259..8f7695624c8c 100644 > --- a/drivers/pnp/resource.c > +++ b/drivers/pnp/resource.c > @@ -17,6 +17,7 @@ > #include > #include > #include > +#include > #include > #include > > @@ -322,8 +323,8 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci, > * treat the compatibility IRQs as busy. > */ > if ((progif & 0x5) != 0x5) > - if (pci_get_legacy_ide_irq(pci, 0) == irq || > - pci_get_legacy_ide_irq(pci, 1) == irq) { > + if (ATA_PRIMARY_IRQ(pci) == irq || > + ATA_SECONDARY_IRQ(pci) == irq) { > pnp_dbg(&pnp->dev, " legacy IDE device %s " > "using irq %d\n", pci_name(pci), irq); > return 1; > diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h > deleted file mode 100644 > index 6bb3cd3d695a..000000000000 > --- a/include/asm-generic/pci.h > +++ /dev/null > @@ -1,17 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0 */ > -/* > - * linux/include/asm-generic/pci.h > - * > - * Copyright (C) 2003 Russell King > - */ > -#ifndef _ASM_GENERIC_PCI_H > -#define _ASM_GENERIC_PCI_H > - > -#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ > -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) > -{ > - return channel ? 15 : 14; > -} > -#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */ > - > -#endif /* _ASM_GENERIC_PCI_H */ > -- > 2.36.1 > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv