diff options
author | Linus Torvalds | 2017-07-08 15:51:57 -0700 |
---|---|---|
committer | Linus Torvalds | 2017-07-08 15:51:57 -0700 |
commit | f263fbb8d60824993c1b64385056a3cfdbb21d45 (patch) | |
tree | 9ce14a362e1cb0aef2b4a79d6fb84d883118cce3 /arch | |
parent | 026d15f6b9878794fae1f794cae881ccd65052e5 (diff) | |
parent | 6aed468480e8b03ece5a395fe8013e66348a2547 (diff) |
Merge tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add sysfs max_link_speed/width, current_link_speed/width (Wong Vee
Khee)
- make host bridge IRQ mapping much more generic (Matthew Minter,
Lorenzo Pieralisi)
- convert most drivers to pci_scan_root_bus_bridge() (Lorenzo
Pieralisi)
- mutex sriov_configure() (Jakub Kicinski)
- mutex pci_error_handlers callbacks (Christoph Hellwig)
- split ->reset_notify() into ->reset_prepare()/reset_done()
(Christoph Hellwig)
- support multiple PCIe portdrv interrupts for MSI as well as MSI-X
(Gabriele Paoloni)
- allocate MSI/MSI-X vector for Downstream Port Containment (Gabriele
Paoloni)
- fix MSI IRQ affinity pre/post/min_vecs issue (Michael Hernandez)
- test INTx masking during enumeration, not at run-time (Piotr Gregor)
- avoid using device_may_wakeup() for runtime PM (Rafael J. Wysocki)
- restore the status of PCI devices across hibernation (Chen Yu)
- keep parent resources that start at 0x0 (Ard Biesheuvel)
- enable ECRC only if device supports it (Bjorn Helgaas)
- restore PRI and PASID state after Function-Level Reset (CQ Tang)
- skip DPC event if device is not present (Keith Busch)
- check domain when matching SMBIOS info (Sujith Pandel)
- mark Intel XXV710 NIC INTx masking as broken (Alex Williamson)
- avoid AMD SB7xx EHCI USB wakeup defect (Kai-Heng Feng)
- work around long-standing Macbook Pro poweroff issue (Bjorn Helgaas)
- add Switchtec "running" status flag (Logan Gunthorpe)
- fix dra7xx incorrect RW1C IRQ register usage (Arvind Yadav)
- modify xilinx-nwl IRQ chip for legacy interrupts (Bharat Kumar
Gogada)
- move VMD SRCU cleanup after bus, child device removal (Jon Derrick)
- add Faraday clock handling (Linus Walleij)
- configure Rockchip MPS and reorganize (Shawn Lin)
- limit Qualcomm TLP size to 2K (hardware issue) (Srinivas Kandagatla)
- support Tegra MSI 64-bit addressing (Thierry Reding)
- use Rockchip normal (not privileged) register bank (Shawn Lin)
- add HiSilicon Kirin SoC PCIe controller driver (Xiaowei Song)
- add Sigma Designs Tango SMP8759 PCIe controller driver (Marc
Gonzalez)
- add MediaTek PCIe host controller support (Ryder Lee)
- add Qualcomm IPQ4019 support (John Crispin)
- add HyperV vPCI protocol v1.2 support (Jork Loeser)
- add i.MX6 regulator support (Quentin Schulz)
* tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
PCI: Add DT binding for Sigma Designs Tango PCIe controller
PCI: rockchip: Use normal register bank for config accessors
dt-bindings: PCI: Add documentation for MediaTek PCIe
PCI: Remove __pci_dev_reset() and pci_dev_reset()
PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()
PCI: xilinx: Make of_device_ids const
PCI: xilinx-nwl: Modify IRQ chip for legacy interrupts
PCI: vmd: Move SRCU cleanup after bus, child device removal
PCI: vmd: Correct comment: VMD domains start at 0x10000, not 0x1000
PCI: versatile: Add local struct device pointers
PCI: tegra: Do not allocate MSI target memory
PCI: tegra: Support MSI 64-bit addressing
PCI: rockchip: Use local struct device pointer consistently
PCI: rockchip: Check for clk_prepare_enable() errors during resume
MAINTAINERS: Remove Wenrui Li as Rockchip PCIe driver maintainer
PCI: rockchip: Configure RC's MPS setting
PCI: rockchip: Reconfigure configuration space header type
PCI: rockchip: Split out rockchip_pcie_cfg_configuration_accesses()
PCI: rockchip: Move configuration accesses into rockchip_pcie_cfg_atu()
...
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/mach/pci.h | 3 | ||||
-rw-r--r-- | arch/arm/kernel/bios32.c | 44 | ||||
-rw-r--r-- | arch/arm/mach-dove/pcie.c | 17 | ||||
-rw-r--r-- | arch/arm/mach-iop13xx/pci.c | 31 | ||||
-rw-r--r-- | arch/arm/mach-iop13xx/pci.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/pcie.c | 16 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/common.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-orion5x/pci.c | 25 | ||||
-rw-r--r-- | arch/arm64/kernel/pci.c | 10 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h | 1 | ||||
-rw-r--r-- | arch/mips/include/asm/pci.h | 1 | ||||
-rw-r--r-- | arch/mips/pci/pci-legacy.c | 3 | ||||
-rw-r--r-- | arch/x86/include/uapi/asm/hyperv.h | 6 | ||||
-rw-r--r-- | arch/x86/pci/common.c | 27 | ||||
-rw-r--r-- | arch/x86/pci/fixup.c | 47 | ||||
-rw-r--r-- | arch/x86/pci/pcbios.c | 2 |
16 files changed, 158 insertions, 81 deletions
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 2d88af5be45f..233b4b50eff3 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -16,6 +16,7 @@ struct pci_sys_data; struct pci_ops; struct pci_bus; +struct pci_host_bridge; struct device; struct hw_pci { @@ -25,7 +26,7 @@ struct hw_pci { unsigned int io_optional:1; void **private_data; int (*setup)(int nr, struct pci_sys_data *); - struct pci_bus *(*scan)(int nr, struct pci_sys_data *); + int (*scan)(int nr, struct pci_host_bridge *); void (*preinit)(void); void (*postinit)(void); u8 (*swizzle)(struct pci_dev *dev, u8 *pin); diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index b259956365a0..56dc1a3a33b4 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -458,10 +458,14 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, int nr, busnr; for (nr = busnr = 0; nr < hw->nr_controllers; nr++) { - sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL); - if (WARN(!sys, "PCI: unable to allocate sys data!")) + struct pci_host_bridge *bridge; + + bridge = pci_alloc_host_bridge(sizeof(struct pci_sys_data)); + if (WARN(!bridge, "PCI: unable to allocate bridge!")) break; + sys = pci_host_bridge_priv(bridge); + sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -473,7 +477,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, ret = hw->setup(nr, sys); if (ret > 0) { - struct pci_host_bridge *host_bridge; ret = pcibios_init_resource(nr, sys, hw->io_optional); if (ret) { @@ -481,26 +484,37 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, break; } + bridge->map_irq = pcibios_map_irq; + bridge->swizzle_irq = pcibios_swizzle; + if (hw->scan) - sys->bus = hw->scan(nr, sys); - else - sys->bus = pci_scan_root_bus_msi(parent, - sys->busnr, hw->ops, sys, - &sys->resources, hw->msi_ctrl); + ret = hw->scan(nr, bridge); + else { + list_splice_init(&sys->resources, + &bridge->windows); + bridge->dev.parent = parent; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + bridge->ops = hw->ops; + bridge->msi = hw->msi_ctrl; + bridge->align_resource = + hw->align_resource; + + ret = pci_scan_root_bus_bridge(bridge); + } - if (WARN(!sys->bus, "PCI: unable to scan bus!")) { - kfree(sys); + if (WARN(ret < 0, "PCI: unable to scan bus!")) { + pci_free_host_bridge(bridge); break; } + sys->bus = bridge->bus; + busnr = sys->bus->busn_res.end + 1; list_add(&sys->node, head); - - host_bridge = pci_find_host_bridge(sys->bus); - host_bridge->align_resource = hw->align_resource; } else { - kfree(sys); + pci_free_host_bridge(bridge); if (ret < 0) break; } @@ -519,8 +533,6 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) if (hw->postinit) hw->postinit(); - pci_fixup_irqs(pcibios_swizzle, pcibios_map_irq); - list_for_each_entry(sys, &head, node) { struct pci_bus *bus = sys->bus; diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c index 91fe97144570..dfb62f3f5dcf 100644 --- a/arch/arm/mach-dove/pcie.c +++ b/arch/arm/mach-dove/pcie.c @@ -152,16 +152,23 @@ static void rc_pci_fixup(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup); -static struct pci_bus __init * -dove_pcie_scan_bus(int nr, struct pci_sys_data *sys) +static int __init +dove_pcie_scan_bus(int nr, struct pci_host_bridge *bridge) { + struct pci_sys_data *sys = pci_host_bridge_priv(bridge); + if (nr >= num_pcie_ports) { BUG(); - return NULL; + return -EINVAL; } - return pci_scan_root_bus(NULL, sys->busnr, &pcie_ops, sys, - &sys->resources); + list_splice_init(&sys->resources, &bridge->windows); + bridge->dev.parent = NULL; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + bridge->ops = &pcie_ops; + + return pci_scan_root_bus_bridge(bridge); } static int __init dove_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c index 204eb4460271..070d92ae1b6f 100644 --- a/arch/arm/mach-iop13xx/pci.c +++ b/arch/arm/mach-iop13xx/pci.c @@ -504,10 +504,10 @@ iop13xx_pci_abort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) /* Scan an IOP13XX PCI bus. nr selects which ATU we use. */ -struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *sys) +int iop13xx_scan_bus(int nr, struct pci_host_bridge *bridge) { - int which_atu; - struct pci_bus *bus = NULL; + int which_atu, ret; + struct pci_sys_data *sys = pci_host_bridge_priv(bridge); switch (init_atu) { case IOP13XX_INIT_ATU_ATUX: @@ -525,9 +525,14 @@ struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *sys) if (!which_atu) { BUG(); - return NULL; + return -ENODEV; } + list_splice_init(&sys->resources, &bridge->windows); + bridge->dev.parent = NULL; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + switch (which_atu) { case IOP13XX_INIT_ATU_ATUX: if (time_after_eq(jiffies + msecs_to_jiffies(1000), @@ -535,18 +540,22 @@ struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *sys) while(time_before(jiffies, atux_trhfa_timeout)) udelay(100); - bus = pci_bus_atux = pci_scan_root_bus(NULL, sys->busnr, - &iop13xx_atux_ops, - sys, &sys->resources); + bridge->ops = &iop13xx_atux_ops; + ret = pci_scan_root_bus_bridge(bridge); + if (!ret) + pci_bus_atux = bridge->bus; break; case IOP13XX_INIT_ATU_ATUE: - bus = pci_bus_atue = pci_scan_root_bus(NULL, sys->busnr, - &iop13xx_atue_ops, - sys, &sys->resources); + bridge->ops = &iop13xx_atue_ops; + ret = pci_scan_root_bus_bridge(bridge); + if (!ret) + pci_bus_atue = bridge->bus; break; + default: + ret = -EINVAL; } - return bus; + return ret; } /* This function is called from iop13xx_pci_init() after assigning valid diff --git a/arch/arm/mach-iop13xx/pci.h b/arch/arm/mach-iop13xx/pci.h index 71b9c57e1fde..8dc343cb887a 100644 --- a/arch/arm/mach-iop13xx/pci.h +++ b/arch/arm/mach-iop13xx/pci.h @@ -11,9 +11,10 @@ extern size_t iop13xx_atue_mem_size; extern size_t iop13xx_atux_mem_size; struct pci_sys_data; +struct pci_host_bridge; struct hw_pci; int iop13xx_pci_setup(int nr, struct pci_sys_data *sys); -struct pci_bus *iop13xx_scan_bus(int nr, struct pci_sys_data *); +int iop13xx_scan_bus(int nr, struct pci_host_bridge *bridge); void iop13xx_atu_select(struct hw_pci *plat_pci); void iop13xx_pci_init(void); void iop13xx_map_pci_memory(void); diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c index 81ff4327a962..636d84b40466 100644 --- a/arch/arm/mach-mv78xx0/pcie.c +++ b/arch/arm/mach-mv78xx0/pcie.c @@ -194,16 +194,22 @@ static void rc_pci_fixup(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup); -static struct pci_bus __init * -mv78xx0_pcie_scan_bus(int nr, struct pci_sys_data *sys) +static int __init mv78xx0_pcie_scan_bus(int nr, struct pci_host_bridge *bridge) { + struct pci_sys_data *sys = pci_host_bridge_priv(bridge); + if (nr >= num_pcie_ports) { BUG(); - return NULL; + return -EINVAL; } - return pci_scan_root_bus(NULL, sys->busnr, &pcie_ops, sys, - &sys->resources); + list_splice_init(&sys->resources, &bridge->windows); + bridge->dev.parent = NULL; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + bridge->ops = &pcie_ops; + + return pci_scan_root_bus_bridge(bridge); } static int __init mv78xx0_pcie_map_irq(const struct pci_dev *dev, u8 slot, diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index efeffc6b4ebb..4c0c7de665c3 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -54,6 +54,7 @@ void orion5x_restart(enum reboot_mode, const char *); * PCIe/PCI functions. */ struct pci_bus; +struct pci_host_bridge; struct pci_sys_data; struct pci_dev; @@ -61,7 +62,7 @@ void orion5x_pcie_id(u32 *dev, u32 *rev); void orion5x_pci_disable(void); void orion5x_pci_set_cardbus_mode(void); int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys); -struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys); +int orion5x_pci_sys_scan_bus(int nr, struct pci_host_bridge *bridge); int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); struct tag; diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c index ecb998e7f8dc..76951bfbacf5 100644 --- a/arch/arm/mach-orion5x/pci.c +++ b/arch/arm/mach-orion5x/pci.c @@ -555,18 +555,27 @@ int __init orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys) return 0; } -struct pci_bus __init *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys) +int __init orion5x_pci_sys_scan_bus(int nr, struct pci_host_bridge *bridge) { - if (nr == 0) - return pci_scan_root_bus(NULL, sys->busnr, &pcie_ops, sys, - &sys->resources); + struct pci_sys_data *sys = pci_host_bridge_priv(bridge); - if (nr == 1 && !orion5x_pci_disabled) - return pci_scan_root_bus(NULL, sys->busnr, &pci_ops, sys, - &sys->resources); + list_splice_init(&sys->resources, &bridge->windows); + bridge->dev.parent = NULL; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + + if (nr == 0) { + bridge->ops = &pcie_ops; + return pci_scan_root_bus_bridge(bridge); + } + + if (nr == 1 && !orion5x_pci_disabled) { + bridge->ops = &pci_ops; + return pci_scan_root_bus_bridge(bridge); + } BUG(); - return NULL; + return -ENODEV; } int __init orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index a7f6c01c13b9..e2b7e4f9cc31 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -39,20 +39,18 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, return res->start; } +#ifdef CONFIG_ACPI /* * Try to assign the IRQ number when probing a new device */ int pcibios_alloc_irq(struct pci_dev *dev) { - if (acpi_disabled) - dev->irq = of_irq_parse_and_map_pci(dev, 0, 0); -#ifdef CONFIG_ACPI - else - return acpi_pci_irq_enable(dev); -#endif + if (!acpi_disabled) + acpi_pci_irq_enable(dev); return 0; } +#endif /* * raw_pci_read/write - Platform-specific PCI config space access. diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h index 8a7ecb4d5c64..bf9dd9eb4ceb 100644 --- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h +++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h @@ -80,7 +80,6 @@ extern u32 cs5536_pci_conf_read4(int function, int reg); #define PCI_BAR3_REG 0x1c #define PCI_BAR4_REG 0x20 #define PCI_BAR5_REG 0x24 -#define PCI_BAR_COUNT 6 #define PCI_BAR_RANGE_MASK 0xFFFFFFFF /* CARDBUS CIS POINTER */ diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 1000c1b4c875..52f551ee492d 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -39,7 +39,6 @@ struct pci_controller { unsigned long io_offset; unsigned long io_map_base; struct resource *busn_resource; - unsigned long busn_offset; #ifndef CONFIG_PCI_DOMAINS_GENERIC unsigned int index; diff --git a/arch/mips/pci/pci-legacy.c b/arch/mips/pci/pci-legacy.c index 3a84f6c0c840..174575a9a112 100644 --- a/arch/mips/pci/pci-legacy.c +++ b/arch/mips/pci/pci-legacy.c @@ -86,8 +86,7 @@ static void pcibios_scanbus(struct pci_controller *hose) hose->mem_resource, hose->mem_offset); pci_add_resource_offset(&resources, hose->io_resource, hose->io_offset); - pci_add_resource_offset(&resources, - hose->busn_resource, hose->busn_offset); + pci_add_resource(&resources, hose->busn_resource); bus = pci_scan_root_bus(NULL, next_busno, hose->pci_ops, hose, &resources); hose->bus = bus; diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index f4fef5a24ebd..127ddadee1a5 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -150,6 +150,12 @@ #define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9) /* + * HV_VP_SET available + */ +#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11) + + +/* * Crash notification flag. */ #define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63) diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index cfd1a89fd04e..dbe2132b0ed4 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -24,7 +24,6 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | unsigned int pci_early_dump_regs; static int pci_bf_sort; -static int smbios_type_b1_flag; int pci_routeirq; int noioapicquirk; #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS @@ -197,34 +196,18 @@ static int __init set_bf_sort(const struct dmi_system_id *d) static void __init read_dmi_type_b1(const struct dmi_header *dm, void *private_data) { - u8 *d = (u8 *)dm + 4; + u8 *data = (u8 *)dm + 4; if (dm->type != 0xB1) return; - switch (((*(u32 *)d) >> 9) & 0x03) { - case 0x00: - printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n"); - break; - case 0x01: /* set pci=bfsort */ - smbios_type_b1_flag = 1; - break; - case 0x02: /* do not set pci=bfsort */ - smbios_type_b1_flag = 2; - break; - default: - break; - } + if ((((*(u32 *)data) >> 9) & 0x03) == 0x01) + set_bf_sort((const struct dmi_system_id *)private_data); } static int __init find_sort_method(const struct dmi_system_id *d) { - dmi_walk(read_dmi_type_b1, NULL); - - if (smbios_type_b1_flag == 1) { - set_bf_sort(d); - return 0; - } - return -1; + dmi_walk(read_dmi_type_b1, (void *)d); + return 0; } /* diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 6d52b94f4bb9..11e407489db0 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -571,3 +571,50 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_invalid_bar); + +/* + * Device [1022:7808] + * 23. USB Wake on Connect/Disconnect with Low Speed Devices + * https://support.amd.com/TechDocs/46837.pdf + * Appendix A2 + * https://support.amd.com/TechDocs/42413.pdf + */ +static void pci_fixup_amd_ehci_pme(struct pci_dev *dev) +{ + dev_info(&dev->dev, "PME# does not work under D3, disabling it\n"); + dev->pme_support &= ~((PCI_PM_CAP_PME_D3 | PCI_PM_CAP_PME_D3cold) + >> PCI_PM_CAP_PME_SHIFT); +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x7808, pci_fixup_amd_ehci_pme); + +/* + * Apple MacBook Pro: Avoid [mem 0x7fa00000-0x7fbfffff] + * + * Using the [mem 0x7fa00000-0x7fbfffff] region, e.g., by assigning it to + * the 00:1c.0 Root Port, causes a conflict with [io 0x1804], which is used + * for soft poweroff and suspend-to-RAM. + * + * As far as we know, this is related to the address space, not to the Root + * Port itself. Attaching the quirk to the Root Port is a convenience, but + * it could probably also be a standalone DMI quirk. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=103211 + */ +static void quirk_apple_mbp_poweroff(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + + if ((!dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,4") && + !dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,5")) || + pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x1c, 0)) + return; + + res = request_mem_region(0x7fa00000, 0x200000, + "MacBook Pro poweroff workaround"); + if (res) + dev_info(dev, "claimed %s %pR\n", res->name, res); + else + dev_info(dev, "can't work around MacBook Pro poweroff issue\n"); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_apple_mbp_poweroff); diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c index c1bdb9edcae7..76595408ff53 100644 --- a/arch/x86/pci/pcbios.c +++ b/arch/x86/pci/pcbios.c @@ -46,7 +46,7 @@ static inline void set_bios_x(void) pcibios_enabled = 1; set_memory_x(PAGE_OFFSET + BIOS_BEGIN, (BIOS_END - BIOS_BEGIN) >> PAGE_SHIFT); if (__supported_pte_mask & _PAGE_NX) - printk(KERN_INFO "PCI : PCI BIOS area is rw and x. Use pci=nobios if you want it NX.\n"); + printk(KERN_INFO "PCI: PCI BIOS area is rw and x. Use pci=nobios if you want it NX.\n"); } /* |