diff options
Diffstat (limited to 'arch')
41 files changed, 47 insertions, 157 deletions
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h index 98f2eeee8f68..a06c24b3a2e1 100644 --- a/arch/alpha/include/asm/pci.h +++ b/arch/alpha/include/asm/pci.h @@ -7,7 +7,6 @@ #include <linux/dma-mapping.h> #include <linux/scatterlist.h> #include <asm/machvec.h> -#include <asm-generic/pci-bridge.h> /* * The following structure is used to manage multiple PCI busses. @@ -66,13 +65,6 @@ extern void pcibios_set_master(struct pci_dev *dev); decisions. */ #define PCI_DMA_BUS_IS_PHYS 0 -#ifdef CONFIG_PCI - -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - -#endif - /* TODO: integrate with include/asm-generic/pci.h ? */ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4f799e567fc8..1d00da16d980 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1212,7 +1212,6 @@ config PCI_HOST_ITE8152 select DMABOUNCE source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" source "drivers/pcmcia/Kconfig" diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index a5635444ca41..057d381f4e57 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -2,9 +2,6 @@ #define ASMARM_PCI_H #ifdef __KERNEL__ -#include <asm-generic/pci-dma-compat.h> -#include <asm-generic/pci-bridge.h> - #include <asm/mach/pci.h> /* for pci_sys_data */ extern unsigned long pcibios_min_io; @@ -41,5 +38,4 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #endif /* __KERNEL__ */ - #endif diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 8cc62289a63e..fc8089db20b1 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -235,8 +235,6 @@ config PCI_SYSCALL def_bool PCI source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" -source "drivers/pci/hotplug/Kconfig" endmenu diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 70fd9ffb58cf..cff532a6744e 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -1,5 +1,3 @@ - - generic-y += bug.h generic-y += bugs.h generic-y += checksum.h @@ -31,7 +29,6 @@ generic-y += msgbuf.h generic-y += msi.h generic-y += mutex.h generic-y += pci.h -generic-y += pci-bridge.h generic-y += poll.h generic-y += preempt.h generic-y += resource.h diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h index b008a72f8bc0..b9a7ba9ca44c 100644 --- a/arch/arm64/include/asm/pci.h +++ b/arch/arm64/include/asm/pci.h @@ -7,8 +7,6 @@ #include <linux/dma-mapping.h> #include <asm/io.h> -#include <asm-generic/pci-bridge.h> -#include <asm-generic/pci-dma-compat.h> #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0 diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index b3d098bd34aa..c72de668e1d4 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -19,8 +19,6 @@ #include <linux/of_platform.h> #include <linux/slab.h> -#include <asm/pci-bridge.h> - /* * Called after each bus is probed, but before its children are examined */ diff --git a/arch/avr32/include/asm/pci.h b/arch/avr32/include/asm/pci.h index a32a02372017..0f5f134b896a 100644 --- a/arch/avr32/include/asm/pci.h +++ b/arch/avr32/include/asm/pci.h @@ -5,6 +5,4 @@ #define PCI_DMA_BUS_IS_PHYS (1) -#include <asm-generic/pci-dma-compat.h> - #endif /* __ASM_AVR32_PCI_H__ */ diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index af76634f8d98..a63c12259e77 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -1233,8 +1233,6 @@ source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - endmenu menu "Executable file formats" diff --git a/arch/blackfin/include/asm/pci.h b/arch/blackfin/include/asm/pci.h index 14efc0db1ade..11ea1cb35036 100644 --- a/arch/blackfin/include/asm/pci.h +++ b/arch/blackfin/include/asm/pci.h @@ -4,7 +4,6 @@ #define _ASM_BFIN_PCI_H #include <linux/scatterlist.h> -#include <asm-generic/pci-dma-compat.h> #include <asm-generic/pci.h> #define PCIBIOS_MIN_IO 0x00001000 diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h index c15b4b4baafa..b1b289df04c7 100644 --- a/arch/cris/include/asm/pci.h +++ b/arch/cris/include/asm/pci.h @@ -48,9 +48,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #endif /* __KERNEL__ */ -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - /* generic pci stuff */ #include <asm-generic/pci.h> diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index e43d22c58ad5..809cfc6707ab 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -15,7 +15,6 @@ #include <linux/mm.h> #include <linux/scatterlist.h> -#include <asm-generic/pci-dma-compat.h> #include <asm-generic/pci.h> struct pci_dev; @@ -32,12 +31,6 @@ extern void consistent_sync_page(struct page *page, unsigned long offset, size_t size, int direction); #endif -extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, - dma_addr_t *dma_handle); - -extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, - void *vaddr, dma_addr_t dma_handle); - /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index fb0515eb639b..b534ebab36ea 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -574,12 +574,8 @@ config PCI_DOMAINS config PCI_SYSCALL def_bool PCI -source "drivers/pci/pcie/Kconfig" - source "drivers/pci/Kconfig" -source "drivers/pci/hotplug/Kconfig" - source "drivers/pcmcia/Kconfig" endmenu diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 07039d168f37..c0835b0dc722 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -50,8 +50,6 @@ struct pci_dev; extern unsigned long ia64_max_iommu_merge_mask; #define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL) -#include <asm-generic/pci-dma-compat.h> - #define HAVE_PCI_MMAP extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 836ac5a963c8..e1b123664815 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -386,8 +386,6 @@ config ISA source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - endmenu diff --git a/arch/m68k/include/asm/pci.h b/arch/m68k/include/asm/pci.h index 848c3dfaad50..3a3dbcf4051d 100644 --- a/arch/m68k/include/asm/pci.h +++ b/arch/m68k/include/asm/pci.h @@ -1,7 +1,6 @@ #ifndef _ASM_M68K_PCI_H #define _ASM_M68K_PCI_H -#include <asm-generic/pci-dma-compat.h> #include <asm-generic/pci.h> /* The PCI address space does equal the physical memory diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 53b69deceb99..3d793b55f60c 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -267,6 +267,9 @@ config PCI config PCI_DOMAINS def_bool PCI +config PCI_DOMAINS_GENERIC + def_bool PCI_DOMAINS + config PCI_SYSCALL def_bool PCI diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index dc9eb6657e3a..fc3ecb55f1b2 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -22,8 +22,6 @@ #include <asm/prom.h> #include <asm/pci-bridge.h> -#include <asm-generic/pci-dma-compat.h> - #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index ae838ed5fcf2..35654be3f1c0 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -123,17 +123,6 @@ unsigned long pci_address_to_pio(phys_addr_t address) } EXPORT_SYMBOL_GPL(pci_address_to_pio); -/* - * Return the domain number for this bus. - */ -int pci_domain_nr(struct pci_bus *bus) -{ - struct pci_controller *hose = pci_bus_to_host(bus); - - return hose->global_number; -} -EXPORT_SYMBOL(pci_domain_nr); - /* This routine is meant to be used early during boot, when the * PCI bus numbers have not yet been assigned, and you need to * issue PCI config cycles to an OF device. @@ -863,26 +852,10 @@ void pcibios_setup_bus_devices(struct pci_bus *bus) void pcibios_fixup_bus(struct pci_bus *bus) { - /* When called from the generic PCI probe, read PCI<->PCI bridge - * bases. This is -not- called when generating the PCI tree from - * the OF device-tree. - */ - if (bus->self != NULL) - pci_read_bridge_bases(bus); - - /* Now fixup the bus bus */ - pcibios_setup_bus_self(bus); - - /* Now fixup devices on that bus */ - pcibios_setup_bus_devices(bus); + /* nothing to do */ } EXPORT_SYMBOL(pcibios_fixup_bus); -static int skip_isa_ioresource_align(struct pci_dev *dev) -{ - return 0; -} - /* * We need to avoid collisions with `mirrored' VGA ports * and other strange ISA hardware, so we always want the @@ -899,20 +872,18 @@ static int skip_isa_ioresource_align(struct pci_dev *dev) resource_size_t pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { - struct pci_dev *dev = data; - resource_size_t start = res->start; - - if (res->flags & IORESOURCE_IO) { - if (skip_isa_ioresource_align(dev)) - return start; - if (start & 0x300) - start = (start + 0x3ff) & ~0x3ff; - } - - return start; + return res->start; } EXPORT_SYMBOL(pcibios_align_resource); +int pcibios_add_device(struct pci_dev *dev) +{ + dev->irq = of_irq_parse_and_map_pci(dev, 0, 0); + + return 0; +} +EXPORT_SYMBOL(pcibios_add_device); + /* * Reparent resource children of pr that conflict with res * under res, and make res replace those children. @@ -1333,13 +1304,6 @@ static void pcibios_setup_phb_resources(struct pci_controller *hose, (unsigned long)hose->io_base_virt - _IO_BASE); } -struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) -{ - struct pci_controller *hose = bus->sysdata; - - return of_node_get(hose->dn); -} - static void pcibios_scan_phb(struct pci_controller *hose) { LIST_HEAD(resources); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 57a945e832f4..d16204d8b926 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2876,8 +2876,6 @@ config PCI_DOMAINS source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" - # # ISA support is now enabled via select. Too many systems still have the one # or other ISA chip on the board that users don't know about so don't expect @@ -2937,8 +2935,6 @@ config ZONE_DMA32 source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - config RAPIDIO tristate "RapidIO support" depends on PCI diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 98c31e5d9579..8c16fb7b8fdb 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -102,7 +102,6 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, #include <linux/scatterlist.h> #include <linux/string.h> #include <asm/io.h> -#include <asm-generic/pci-bridge.h> struct pci_dev; @@ -125,9 +124,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) #endif /* __KERNEL__ */ -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - /* Do platform specific device initialization at pci_enable_device() time */ extern int pcibios_plat_dev_init(struct pci_dev *dev); diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h index be3debb8fc02..51159fff025a 100644 --- a/arch/mn10300/include/asm/pci.h +++ b/arch/mn10300/include/asm/pci.h @@ -80,9 +80,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #endif /* __KERNEL__ */ -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index 89c53bfff055..defebd956585 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -194,9 +194,6 @@ 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 */ -/* export the pci_ DMA API in terms of the dma_ one */ -#include <asm-generic/pci-dma-compat.h> - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index e4824fd04bb7..e28f86ee41b8 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -828,14 +828,10 @@ config PCI_8260 select PPC_INDIRECT_PCI default y -source "drivers/pci/pcie/Kconfig" - source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - config HAS_RAPIDIO bool default n diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 54843ca5fa2b..78968c1ff931 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -10,7 +10,6 @@ #include <linux/pci.h> #include <linux/list.h> #include <linux/ioport.h> -#include <asm-generic/pci-bridge.h> struct device_node; diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 6f8065a7d487..a6f3ac0d4602 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -20,8 +20,6 @@ #include <asm/prom.h> #include <asm/pci-bridge.h> -#include <asm-generic/pci-dma-compat.h> - /* Return values for pci_controller_ops.probe_mode function */ #define PCI_PROBE_NONE -1 /* Don't look at this bus at all */ #define PCI_PROBE_NORMAL 0 /* Do normal PCI probing */ diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3be9c832dec1..e70d49837fb0 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -605,8 +605,6 @@ config PCI_NR_MSI PCI devices. source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" -source "drivers/pci/hotplug/Kconfig" endif # PCI diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index c873e682b67f..fdba308649d7 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -9,7 +9,6 @@ #include <linux/pci.h> #include <linux/mutex.h> #include <asm-generic/pci.h> -#include <asm-generic/pci-dma-compat.h> #include <asm/pci_clp.h> #include <asm/pci_debug.h> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index e13da05505dc..17a4f1593d65 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -847,14 +847,10 @@ config PCI config PCI_DOMAINS bool -source "drivers/pci/pcie/Kconfig" - source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - endmenu menu "Executable file formats" diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index e343dbd02e41..644314f2b1ef 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -105,9 +105,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? 15 : 14; } -/* generic DMA-mapping stuff */ -#include <asm-generic/pci-dma-compat.h> - #endif /* __KERNEL__ */ #endif /* __ASM_SH_PCI_H */ diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h index d9c031f9910f..6e14fd179335 100644 --- a/arch/sparc/include/asm/pci.h +++ b/arch/sparc/include/asm/pci.h @@ -5,7 +5,4 @@ #else #include <asm/pci_32.h> #endif - -#include <asm-generic/pci-dma-compat.h> - #endif diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index de4a4fff9323..81719302b056 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -455,8 +455,6 @@ config TILE_PCI_IO source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" - config TILE_USB tristate "Tilera USB host adapter support" default y @@ -467,8 +465,6 @@ config TILE_USB Provides USB host adapter support for the built-in EHCI and OHCI interfaces on TILE-Gx chips. -source "drivers/pci/hotplug/Kconfig" - endmenu menu "Executable file formats" diff --git a/arch/tile/include/asm/pci.h b/arch/tile/include/asm/pci.h index dfedd7ac7298..fe3de505b024 100644 --- a/arch/tile/include/asm/pci.h +++ b/arch/tile/include/asm/pci.h @@ -226,7 +226,4 @@ static inline int pcibios_assign_all_busses(void) /* Use any cpu for PCI. */ #define cpumask_of_pcibus(bus) cpu_online_mask -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - #endif /* _ASM_TILE_PCI_H */ diff --git a/arch/unicore32/include/asm/pci.h b/arch/unicore32/include/asm/pci.h index 38b3f3785c3c..37e55d018de5 100644 --- a/arch/unicore32/include/asm/pci.h +++ b/arch/unicore32/include/asm/pci.h @@ -13,8 +13,6 @@ #define __UNICORE_PCI_H__ #ifdef __KERNEL__ -#include <asm-generic/pci-dma-compat.h> -#include <asm-generic/pci-bridge.h> #include <asm-generic/pci.h> #include <mach/hardware.h> /* for PCIBIOS_MIN_* */ @@ -23,5 +21,4 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); #endif /* __KERNEL__ */ - #endif diff --git a/arch/unicore32/include/mach/hardware.h b/arch/unicore32/include/mach/hardware.h index 9e20b5d9ed50..25146232c7cf 100644 --- a/arch/unicore32/include/mach/hardware.h +++ b/arch/unicore32/include/mach/hardware.h @@ -28,11 +28,6 @@ #define PCIBIOS_MIN_IO 0x4000 /* should lower than 64KB */ #define PCIBIOS_MIN_MEM io_v2p(PKUNITY_PCIMEM_BASE) -/* - * We override the standard dma-mask routines for bouncing. - */ -#define HAVE_ARCH_PCI_SET_DMA_MASK - #define pcibios_assign_all_busses() 1 #endif /* __MACH_PUV3_HARDWARE_H__ */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 330e738ccfc1..1912637d6178 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2431,8 +2431,6 @@ config PCI_CNB20LE_QUIRK You should say N unless you know you need this. -source "drivers/pci/pcie/Kconfig" - source "drivers/pci/Kconfig" # x86_64 have no ISA slots, but can have ISA-style DMA. @@ -2588,8 +2586,6 @@ config AMD_NB source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - config RAPIDIO tristate "RapidIO support" depends on PCI diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 462594320d39..7fd8eaa8714d 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -105,9 +105,6 @@ void native_restore_msi_irqs(struct pci_dev *dev); #include <asm/pci_64.h> #endif -/* implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - /* generic pci stuff */ #include <asm-generic/pci.h> diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 2879efc73a96..b4a9f23d77d9 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -12,7 +12,6 @@ #include <linux/dmi.h> #include <linux/slab.h> -#include <asm-generic/pci-bridge.h> #include <asm/acpi.h> #include <asm/segment.h> #include <asm/io.h> diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c index d57e48016f15..7792aba266df 100644 --- a/arch/x86/pci/vmd.c +++ b/arch/x86/pci/vmd.c @@ -503,6 +503,18 @@ static struct pci_ops vmd_ops = { .write = vmd_pci_write, }; +static void vmd_attach_resources(struct vmd_dev *vmd) +{ + vmd->dev->resource[VMD_MEMBAR1].child = &vmd->resources[1]; + vmd->dev->resource[VMD_MEMBAR2].child = &vmd->resources[2]; +} + +static void vmd_detach_resources(struct vmd_dev *vmd) +{ + vmd->dev->resource[VMD_MEMBAR1].child = NULL; + vmd->dev->resource[VMD_MEMBAR2].child = NULL; +} + /* * VMD domains start at 0x1000 to not clash with ACPI _SEG domains. */ @@ -527,11 +539,28 @@ static int vmd_enable_domain(struct vmd_dev *vmd) res = &vmd->dev->resource[VMD_CFGBAR]; vmd->resources[0] = (struct resource) { .name = "VMD CFGBAR", - .start = res->start, + .start = 0, .end = (resource_size(res) >> 20) - 1, .flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED, }; + /* + * If the window is below 4GB, clear IORESOURCE_MEM_64 so we can + * put 32-bit resources in the window. + * + * There's no hardware reason why a 64-bit window *couldn't* + * contain a 32-bit resource, but pbus_size_mem() computes the + * bridge window size assuming a 64-bit window will contain no + * 32-bit resources. __pci_assign_resource() enforces that + * artificial restriction to make sure everything will fit. + * + * The only way we could use a 64-bit non-prefechable MEMBAR is + * if its address is <4GB so that we can convert it to a 32-bit + * resource. To be visible to the host OS, all VMD endpoints must + * be initially configured by platform BIOS, which includes setting + * up these resources. We can assume the device is configured + * according to the platform needs. + */ res = &vmd->dev->resource[VMD_MEMBAR1]; upper_bits = upper_32_bits(res->end); flags = res->flags & ~IORESOURCE_SIZEALIGN; @@ -542,6 +571,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd) .start = res->start, .end = res->end, .flags = flags, + .parent = res, }; res = &vmd->dev->resource[VMD_MEMBAR2]; @@ -554,6 +584,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd) .start = res->start + 0x2000, .end = res->end, .flags = flags, + .parent = res, }; sd->domain = vmd_find_free_domain(); @@ -578,6 +609,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd) return -ENODEV; } + vmd_attach_resources(vmd); vmd_setup_dma_ops(vmd); dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain); pci_rescan_bus(vmd->bus); @@ -674,6 +706,7 @@ static void vmd_remove(struct pci_dev *dev) { struct vmd_dev *vmd = pci_get_drvdata(dev); + vmd_detach_resources(vmd); pci_set_drvdata(dev, NULL); sysfs_remove_link(&vmd->dev->dev.kobj, "domain"); pci_stop_root_bus(vmd->bus); diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index e9df1567d778..7e9464b0fc00 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -413,8 +413,6 @@ config FORCE_MAX_ZONEORDER source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - config PLATFORM_WANT_DEFAULT_MEM def_bool n diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h index e438a00fbd63..5d6bd932ba4e 100644 --- a/arch/xtensa/include/asm/pci.h +++ b/arch/xtensa/include/asm/pci.h @@ -55,9 +55,6 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, #endif /* __KERNEL__ */ -/* Implement the pci_ DMA API in terms of the generic device dma_ one */ -#include <asm-generic/pci-dma-compat.h> - /* Generic PCI */ #include <asm-generic/pci.h> |