From: Tomasz Nowicki <tomasz.nowicki@linaro.org> To: bhelgaas@google.com, wangyijing@huawei.com, arnd@arndb.de, hanjun.guo@linaro.org, Liviu.Dudau@arm.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, rjw@rjwysocki.net, al.stone@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, x86@kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linaro-acpi@lists.linaro.org, Tomasz Nowicki <tomasz.nowicki@linaro.org> Subject: [PATCH v4 7/9] x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver. Date: Wed, 11 Mar 2015 15:12:47 +0100 [thread overview] Message-ID: <1426083169-8698-8-git-send-email-tomasz.nowicki@linaro.org> (raw) In-Reply-To: <1426083169-8698-1-git-send-email-tomasz.nowicki@linaro.org> Architectures which want to take advantage of ECAM generic goodness should select CONFIG_PCI_ECAM_GENERIC. Otherwise, like x86 32bits machines, are obligated to provide own low-level ECAM calls. Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> --- arch/x86/Kconfig | 1 + arch/x86/pci/Makefile | 5 +- arch/x86/pci/mmconfig_64.c | 127 --------------------------------------------- drivers/pci/Kconfig | 3 ++ drivers/pci/ecam.c | 113 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 121 insertions(+), 128 deletions(-) delete mode 100644 arch/x86/pci/mmconfig_64.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index aa451bf..3bf1aa5 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -142,6 +142,7 @@ config X86 select X86_FEATURE_NAMES if PROC_FS select SRCU select HAVE_PCI_ECAM + select GENERIC_PCI_ECAM if X86_64 config INSTRUCTION_DECODER def_bool y diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile index 5c6fc35..35c765b 100644 --- a/arch/x86/pci/Makefile +++ b/arch/x86/pci/Makefile @@ -1,7 +1,10 @@ obj-y := i386.o init.o obj-$(CONFIG_PCI_BIOS) += pcbios.o -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_$(BITS).o direct.o mmconfig-shared.o +obj-$(CONFIG_PCI_MMCONFIG) += direct.o mmconfig-shared.o +ifeq ($(BITS),32) +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o +endif obj-$(CONFIG_PCI_DIRECT) += direct.o obj-$(CONFIG_PCI_OLPC) += olpc.o obj-$(CONFIG_PCI_XEN) += xen.o diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c deleted file mode 100644 index fd857ea..0000000 --- a/arch/x86/pci/mmconfig_64.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * mmconfig.c - Low-level direct PCI config space access via MMCONFIG - * - * This is an 64bit optimized version that always keeps the full mmconfig - * space mapped. This allows lockless config space operation. - */ - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/bitmap.h> -#include <linux/rcupdate.h> -#include <linux/ecam.h> -#include <asm/e820.h> -#include <asm/pci_x86.h> - -#define PREFIX "PCI: " - -static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) -{ - struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus); - - if (cfg && cfg->virt) - return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12)); - return NULL; -} - -int pci_mmcfg_read(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 *value) -{ - char __iomem *addr; - - /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ - if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) { -err: *value = -1; - return -EINVAL; - } - - rcu_read_lock(); - addr = pci_dev_base(seg, bus, devfn); - if (!addr) { - rcu_read_unlock(); - goto err; - } - - *value = pci_mmio_read(len, addr + reg); - rcu_read_unlock(); - - return 0; -} - -int pci_mmcfg_write(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 value) -{ - char __iomem *addr; - - /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ - if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) - return -EINVAL; - - rcu_read_lock(); - addr = pci_dev_base(seg, bus, devfn); - if (!addr) { - rcu_read_unlock(); - return -EINVAL; - } - - pci_mmio_write(len, addr + reg, value); - rcu_read_unlock(); - - return 0; -} - -static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) -{ - void __iomem *addr; - u64 start, size; - int num_buses; - - start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - num_buses = cfg->end_bus - cfg->start_bus + 1; - size = PCI_MMCFG_BUS_OFFSET(num_buses); - addr = ioremap_nocache(start, size); - if (addr) - addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - return addr; -} - -int __init pci_mmcfg_arch_init(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - if (pci_mmcfg_arch_map(cfg)) { - pci_mmcfg_arch_free(); - return 0; - } - - return 1; -} - -void __init pci_mmcfg_arch_free(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - pci_mmcfg_arch_unmap(cfg); -} - -int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg) -{ - cfg->virt = mcfg_ioremap(cfg); - if (!cfg->virt) { - pr_err(PREFIX "can't map MMCONFIG at %pR\n", &cfg->res); - return -ENOMEM; - } - - return 0; -} - -void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg) -{ - if (cfg && cfg->virt) { - iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus)); - cfg->virt = NULL; - } -} diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 90a5fb9..fae4aa7 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -29,6 +29,9 @@ config PCI_ECAM config HAVE_PCI_ECAM bool +config GENERIC_PCI_ECAM + bool + config PCI_DEBUG bool "PCI Debugging" depends on PCI && DEBUG_KERNEL diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c index c588234..796b6e7 100644 --- a/drivers/pci/ecam.c +++ b/drivers/pci/ecam.c @@ -23,6 +23,119 @@ static DEFINE_MUTEX(pci_mmcfg_lock); LIST_HEAD(pci_mmcfg_list); +#ifdef CONFIG_GENERIC_PCI_ECAM +static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, + unsigned int devfn) +{ + struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus); + + if (cfg && cfg->virt) + return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12)); + return NULL; +} + +int pci_mmcfg_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 *value) +{ + char __iomem *addr; + + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ + if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) { +err: *value = -1; + return -EINVAL; + } + + rcu_read_lock(); + addr = pci_dev_base(seg, bus, devfn); + if (!addr) { + rcu_read_unlock(); + goto err; + } + + *value = pci_mmio_read(len, addr + reg); + rcu_read_unlock(); + + return 0; +} + +int pci_mmcfg_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 value) +{ + char __iomem *addr; + + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ + if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) + return -EINVAL; + + rcu_read_lock(); + addr = pci_dev_base(seg, bus, devfn); + if (!addr) { + rcu_read_unlock(); + return -EINVAL; + } + + pci_mmio_write(len, addr + reg, value); + rcu_read_unlock(); + + return 0; +} + +static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) +{ + void __iomem *addr; + u64 start, size; + int num_buses; + + start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); + num_buses = cfg->end_bus - cfg->start_bus + 1; + size = PCI_MMCFG_BUS_OFFSET(num_buses); + addr = ioremap_nocache(start, size); + if (addr) + addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); + return addr; +} + +int __init pci_mmcfg_arch_init(void) +{ + struct pci_mmcfg_region *cfg; + + list_for_each_entry(cfg, &pci_mmcfg_list, list) + if (pci_mmcfg_arch_map(cfg)) { + pci_mmcfg_arch_free(); + return 0; + } + + return 1; +} + +void __init pci_mmcfg_arch_free(void) +{ + struct pci_mmcfg_region *cfg; + + list_for_each_entry(cfg, &pci_mmcfg_list, list) + pci_mmcfg_arch_unmap(cfg); +} + +int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg) +{ + cfg->virt = mcfg_ioremap(cfg); + if (!cfg->virt) { + pr_err(PREFIX "can't map MMCONFIG at %pR\n", &cfg->res); + return -ENOMEM; + } + + return 0; +} + +void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg) +{ + if (cfg && cfg->virt) { + iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus)); + cfg->virt = NULL; + } +} +#endif + static u32 pci_mmconfig_generic_read(int len, void __iomem *addr) { -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: tomasz.nowicki@linaro.org (Tomasz Nowicki) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 7/9] x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver. Date: Wed, 11 Mar 2015 15:12:47 +0100 [thread overview] Message-ID: <1426083169-8698-8-git-send-email-tomasz.nowicki@linaro.org> (raw) In-Reply-To: <1426083169-8698-1-git-send-email-tomasz.nowicki@linaro.org> Architectures which want to take advantage of ECAM generic goodness should select CONFIG_PCI_ECAM_GENERIC. Otherwise, like x86 32bits machines, are obligated to provide own low-level ECAM calls. Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> --- arch/x86/Kconfig | 1 + arch/x86/pci/Makefile | 5 +- arch/x86/pci/mmconfig_64.c | 127 --------------------------------------------- drivers/pci/Kconfig | 3 ++ drivers/pci/ecam.c | 113 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 121 insertions(+), 128 deletions(-) delete mode 100644 arch/x86/pci/mmconfig_64.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index aa451bf..3bf1aa5 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -142,6 +142,7 @@ config X86 select X86_FEATURE_NAMES if PROC_FS select SRCU select HAVE_PCI_ECAM + select GENERIC_PCI_ECAM if X86_64 config INSTRUCTION_DECODER def_bool y diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile index 5c6fc35..35c765b 100644 --- a/arch/x86/pci/Makefile +++ b/arch/x86/pci/Makefile @@ -1,7 +1,10 @@ obj-y := i386.o init.o obj-$(CONFIG_PCI_BIOS) += pcbios.o -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_$(BITS).o direct.o mmconfig-shared.o +obj-$(CONFIG_PCI_MMCONFIG) += direct.o mmconfig-shared.o +ifeq ($(BITS),32) +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o +endif obj-$(CONFIG_PCI_DIRECT) += direct.o obj-$(CONFIG_PCI_OLPC) += olpc.o obj-$(CONFIG_PCI_XEN) += xen.o diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c deleted file mode 100644 index fd857ea..0000000 --- a/arch/x86/pci/mmconfig_64.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * mmconfig.c - Low-level direct PCI config space access via MMCONFIG - * - * This is an 64bit optimized version that always keeps the full mmconfig - * space mapped. This allows lockless config space operation. - */ - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/bitmap.h> -#include <linux/rcupdate.h> -#include <linux/ecam.h> -#include <asm/e820.h> -#include <asm/pci_x86.h> - -#define PREFIX "PCI: " - -static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) -{ - struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus); - - if (cfg && cfg->virt) - return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12)); - return NULL; -} - -int pci_mmcfg_read(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 *value) -{ - char __iomem *addr; - - /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ - if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) { -err: *value = -1; - return -EINVAL; - } - - rcu_read_lock(); - addr = pci_dev_base(seg, bus, devfn); - if (!addr) { - rcu_read_unlock(); - goto err; - } - - *value = pci_mmio_read(len, addr + reg); - rcu_read_unlock(); - - return 0; -} - -int pci_mmcfg_write(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 value) -{ - char __iomem *addr; - - /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ - if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) - return -EINVAL; - - rcu_read_lock(); - addr = pci_dev_base(seg, bus, devfn); - if (!addr) { - rcu_read_unlock(); - return -EINVAL; - } - - pci_mmio_write(len, addr + reg, value); - rcu_read_unlock(); - - return 0; -} - -static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) -{ - void __iomem *addr; - u64 start, size; - int num_buses; - - start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - num_buses = cfg->end_bus - cfg->start_bus + 1; - size = PCI_MMCFG_BUS_OFFSET(num_buses); - addr = ioremap_nocache(start, size); - if (addr) - addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - return addr; -} - -int __init pci_mmcfg_arch_init(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - if (pci_mmcfg_arch_map(cfg)) { - pci_mmcfg_arch_free(); - return 0; - } - - return 1; -} - -void __init pci_mmcfg_arch_free(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - pci_mmcfg_arch_unmap(cfg); -} - -int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg) -{ - cfg->virt = mcfg_ioremap(cfg); - if (!cfg->virt) { - pr_err(PREFIX "can't map MMCONFIG at %pR\n", &cfg->res); - return -ENOMEM; - } - - return 0; -} - -void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg) -{ - if (cfg && cfg->virt) { - iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus)); - cfg->virt = NULL; - } -} diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 90a5fb9..fae4aa7 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -29,6 +29,9 @@ config PCI_ECAM config HAVE_PCI_ECAM bool +config GENERIC_PCI_ECAM + bool + config PCI_DEBUG bool "PCI Debugging" depends on PCI && DEBUG_KERNEL diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c index c588234..796b6e7 100644 --- a/drivers/pci/ecam.c +++ b/drivers/pci/ecam.c @@ -23,6 +23,119 @@ static DEFINE_MUTEX(pci_mmcfg_lock); LIST_HEAD(pci_mmcfg_list); +#ifdef CONFIG_GENERIC_PCI_ECAM +static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, + unsigned int devfn) +{ + struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus); + + if (cfg && cfg->virt) + return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12)); + return NULL; +} + +int pci_mmcfg_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 *value) +{ + char __iomem *addr; + + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ + if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) { +err: *value = -1; + return -EINVAL; + } + + rcu_read_lock(); + addr = pci_dev_base(seg, bus, devfn); + if (!addr) { + rcu_read_unlock(); + goto err; + } + + *value = pci_mmio_read(len, addr + reg); + rcu_read_unlock(); + + return 0; +} + +int pci_mmcfg_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 value) +{ + char __iomem *addr; + + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ + if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) + return -EINVAL; + + rcu_read_lock(); + addr = pci_dev_base(seg, bus, devfn); + if (!addr) { + rcu_read_unlock(); + return -EINVAL; + } + + pci_mmio_write(len, addr + reg, value); + rcu_read_unlock(); + + return 0; +} + +static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) +{ + void __iomem *addr; + u64 start, size; + int num_buses; + + start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); + num_buses = cfg->end_bus - cfg->start_bus + 1; + size = PCI_MMCFG_BUS_OFFSET(num_buses); + addr = ioremap_nocache(start, size); + if (addr) + addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); + return addr; +} + +int __init pci_mmcfg_arch_init(void) +{ + struct pci_mmcfg_region *cfg; + + list_for_each_entry(cfg, &pci_mmcfg_list, list) + if (pci_mmcfg_arch_map(cfg)) { + pci_mmcfg_arch_free(); + return 0; + } + + return 1; +} + +void __init pci_mmcfg_arch_free(void) +{ + struct pci_mmcfg_region *cfg; + + list_for_each_entry(cfg, &pci_mmcfg_list, list) + pci_mmcfg_arch_unmap(cfg); +} + +int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg) +{ + cfg->virt = mcfg_ioremap(cfg); + if (!cfg->virt) { + pr_err(PREFIX "can't map MMCONFIG at %pR\n", &cfg->res); + return -ENOMEM; + } + + return 0; +} + +void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg) +{ + if (cfg && cfg->virt) { + iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus)); + cfg->virt = NULL; + } +} +#endif + static u32 pci_mmconfig_generic_read(int len, void __iomem *addr) { -- 1.9.1
next prev parent reply other threads:[~2015-03-11 14:12 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-11 14:12 [PATCH v4 0/9] PCI: MMCONFIG clean up Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 1/9] x86, pci: Clean up comment about buggy MMIO config space access for AMD Fam10h CPUs Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 2/9] x86, pci: Abstract PCI config accessors and use AMD Fam10h workaround exclusively Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 15:19 ` Rob Herring 2015-03-11 15:19 ` Rob Herring 2015-03-11 15:19 ` Rob Herring 2015-03-11 14:12 ` [PATCH v4 3/9] x86, pci: Reorder logic of pci_mmconfig_insert() function Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 4/9] x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code out of arch/x86/ directory Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 5/9] pci, acpi, mcfg: Provide generic implementation of MCFG code initialization Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 6/9] x86, pci: mmconfig_{32,64}.c code refactoring - remove code duplication Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 6/9] x86, pci: mmconfig_{32, 64}.c " Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki [this message] 2015-03-11 14:12 ` [PATCH v4 7/9] x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver Tomasz Nowicki 2015-03-11 15:37 ` Rob Herring 2015-03-11 15:37 ` Rob Herring 2015-03-11 15:37 ` Rob Herring 2015-03-12 13:42 ` Tomasz Nowicki 2015-03-12 13:42 ` Tomasz Nowicki 2015-03-12 13:42 ` Tomasz Nowicki 2015-03-11 16:30 ` Brian Gerst 2015-03-11 16:30 ` Brian Gerst 2015-03-12 13:42 ` Tomasz Nowicki 2015-03-12 13:42 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 8/9] pci, acpi, mcfg: Share ACPI PCI config space accessors Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-03-11 14:12 ` [PATCH v4 9/9] pci, ecam: Improve naming for ecam.c content and areas where it is used Tomasz Nowicki 2015-03-11 14:12 ` Tomasz Nowicki 2015-04-03 12:06 ` [PATCH v4 0/9] PCI: MMCONFIG clean up Tomasz Nowicki 2015-04-03 12:06 ` Tomasz Nowicki 2015-04-03 15:20 ` Bjorn Helgaas 2015-04-03 15:20 ` Bjorn Helgaas
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