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Thu, 14 Jul 2022 14:47:27 -0700 (PDT) Received: from localhost ([2409:10:24a0:4700:e8ad:216a:2a9d:6d0c]) by smtp.gmail.com with ESMTPSA id c20-20020a634e14000000b00411b3d2bcadsm1892918pgb.25.2022.07.14.14.47.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jul 2022 14:47:27 -0700 (PDT) From: Stafford Horne To: LKML Subject: [RFC PATCH 1/2] asm-generic: Remove pci.h copying code out to architectures Date: Fri, 15 Jul 2022 06:46:56 +0900 Message-Id: <20220714214657.2402250-2-shorne@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220714214657.2402250-1-shorne@gmail.com> References: <20220714214657.2402250-1-shorne@gmail.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Matthew Rosato , Dave Hansen , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Alexander Gordeev , Stafford Horne , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Arnd Bergmann , x86@kernel.org, linux-riscv@lists.infradead.org, Ingo Molnar , Geert Uytterhoeven , linux-pci@vger.kernel.org, Matt Turner , Christian Borntraeger , linux-xtensa@linux-xtensa.org, Albert Ou , Kees Cook , Vasily Gorbik , Niklas Schnelle , Heiko Carstens , linux-m68k@lists.linux-m68k.org, Borislav Petkov , Paul Walmsley , Bjorn Helgaas , Thomas Gleixner , Richard Henderson , Chris Zankel , Pierre Morel , Nick Child , "Gustavo A. R. Silva" , Palmer Dabbelt , Sven Schnelle , linux-alpha@vger.kernel.org, Ivan Kokshaysky , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The generic pci.h header provides a definition of pci_get_legacy_ide_irq which is used by architectures that use PC-style interrupt numbers. This patch removes the old pci.h in order to make room for a new pci.h to be used by arm64, riscv, openrisc, etc. The existing code in pci.h is moved out to architectures. Suggested-by: Arnd Bergmann Link: https://lore.kernel.org/lkml/CAK8P3a0JmPeczfmMBE__vn=Jbvf=nkbpVaZCycyv40pZNCJJXQ@mail.gmail.com/ Signed-off-by: Stafford Horne --- arch/alpha/include/asm/pci.h | 1 - arch/ia64/include/asm/pci.h | 1 - arch/m68k/include/asm/pci.h | 7 +++++-- arch/powerpc/include/asm/pci.h | 1 - arch/s390/include/asm/pci.h | 6 +++++- arch/sparc/include/asm/pci.h | 5 ++++- arch/x86/include/asm/pci.h | 6 ++++-- arch/xtensa/include/asm/pci.h | 6 ++++-- include/asm-generic/pci.h | 17 ----------------- 9 files changed, 22 insertions(+), 28 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..8ac5af0fc4da 100644 --- a/arch/alpha/include/asm/pci.h +++ b/arch/alpha/include/asm/pci.h @@ -56,7 +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; diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 8c163d1d0189..218412d963c2 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -63,7 +63,6 @@ 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); diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h index 5a4bc223743b..0c272ff515cc 100644 --- a/arch/m68k/include/asm/pci.h +++ b/arch/m68k/include/asm/pci.h @@ -2,11 +2,14 @@ #ifndef _ASM_M68K_PCI_H #define _ASM_M68K_PCI_H -#include - #define pcibios_assign_all_busses() 1 #define PCIBIOS_MIN_IO 0x00000100 #define PCIBIOS_MIN_MEM 0x02000000 +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return channel ? 15 : 14; +} + #endif /* _ASM_M68K_PCI_H */ 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/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index fdb9745ee998..93cd0167f8aa 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 @@ -233,6 +232,11 @@ int zpci_init_iommu(struct zpci_dev *zdev); void zpci_destroy_iommu(struct zpci_dev *zdev); #ifdef CONFIG_PCI +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return channel ? 15 : 14; +} + static inline bool zpci_use_mio(struct zpci_dev *zdev) { return static_branch_likely(&have_mio) && zdev->mio_capable; diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h index 4deddf430e5d..6d283fc7b55b 100644 --- a/arch/sparc/include/asm/pci.h +++ b/arch/sparc/include/asm/pci.h @@ -46,7 +46,10 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return PCI_IRQ_NONE; } #else -#include +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return channel ? 15 : 14; +} #endif #endif /* ___ASM_SPARC_PCI_H */ diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index f3fd5928bcbb..7da27f665cfe 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -105,8 +105,10 @@ static inline void early_quirks(void) { } extern void pci_iommu_alloc(void); -/* generic pci stuff */ -#include +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return channel ? 15 : 14; +} #ifdef CONFIG_NUMA /* Returns the node based on pci bus */ diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h index 8e2b48a268db..f57ede61f5db 100644 --- a/arch/xtensa/include/asm/pci.h +++ b/arch/xtensa/include/asm/pci.h @@ -43,7 +43,9 @@ #define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 #define arch_can_pci_mmap_io() 1 -/* Generic PCI */ -#include +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return channel ? 15 : 14; +} #endif /* _XTENSA_PCI_H */ 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 */