diff options
Diffstat (limited to 'drivers/pci/pcie/pme.c')
| -rw-r--r-- | drivers/pci/pcie/pme.c | 40 |
1 files changed, 13 insertions, 27 deletions
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c index 001f1b78f39..82e06a86cd7 100644 --- a/drivers/pci/pcie/pme.c +++ b/drivers/pci/pcie/pme.c @@ -19,8 +19,6 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/pcieport_if.h> -#include <linux/acpi.h> -#include <linux/pci-acpi.h> #include <linux/pm_runtime.h> #include "../pci.h" @@ -57,17 +55,12 @@ struct pcie_pme_service_data { */ void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable) { - int rtctl_pos; - u16 rtctl; - - rtctl_pos = pci_pcie_cap(dev) + PCI_EXP_RTCTL; - - pci_read_config_word(dev, rtctl_pos, &rtctl); if (enable) - rtctl |= PCI_EXP_RTCTL_PMEIE; + pcie_capability_set_word(dev, PCI_EXP_RTCTL, + PCI_EXP_RTCTL_PMEIE); else - rtctl &= ~PCI_EXP_RTCTL_PMEIE; - pci_write_config_word(dev, rtctl_pos, rtctl); + pcie_capability_clear_word(dev, PCI_EXP_RTCTL, + PCI_EXP_RTCTL_PMEIE); } /** @@ -120,7 +113,7 @@ static bool pcie_pme_from_pci_bridge(struct pci_bus *bus, u8 devfn) if (!dev) return false; - if (pci_is_pcie(dev) && dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { + if (pci_is_pcie(dev) && pci_pcie_type(dev) == PCI_EXP_TYPE_PCI_BRIDGE) { down_read(&pci_bus_sem); if (pcie_pme_walk_bus(bus)) found = true; @@ -206,8 +199,7 @@ static void pcie_pme_handle_request(struct pci_dev *port, u16 req_id) * assuming that the PME was reported by a PCIe-PCI bridge that * used devfn different from zero. */ - dev_dbg(&port->dev, "PME interrupt generated for " - "non-existent device %02x:%02x.%d\n", + dev_dbg(&port->dev, "PME interrupt generated for non-existent device %02x:%02x.%d\n", busnr, PCI_SLOT(devfn), PCI_FUNC(devfn)); found = pcie_pme_from_pci_bridge(bus, 0); } @@ -226,18 +218,15 @@ static void pcie_pme_work_fn(struct work_struct *work) struct pcie_pme_service_data *data = container_of(work, struct pcie_pme_service_data, work); struct pci_dev *port = data->srv->port; - int rtsta_pos; u32 rtsta; - rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA; - spin_lock_irq(&data->lock); for (;;) { if (data->noirq) break; - pci_read_config_dword(port, rtsta_pos, &rtsta); + pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta); if (rtsta & PCI_EXP_RTSTA_PME) { /* * Clear PME status of the port. If there are other @@ -276,17 +265,14 @@ static irqreturn_t pcie_pme_irq(int irq, void *context) { struct pci_dev *port; struct pcie_pme_service_data *data; - int rtsta_pos; u32 rtsta; unsigned long flags; port = ((struct pcie_device *)context)->port; data = get_service_data((struct pcie_device *)context); - rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA; - spin_lock_irqsave(&data->lock, flags); - pci_read_config_dword(port, rtsta_pos, &rtsta); + pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta); if (!(rtsta & PCI_EXP_RTSTA_PME)) { spin_unlock_irqrestore(&data->lock, flags); @@ -335,13 +321,13 @@ static void pcie_pme_mark_devices(struct pci_dev *port) struct pci_dev *dev; /* Check if this is a root port event collector. */ - if (port->pcie_type != PCI_EXP_TYPE_RC_EC || !bus) + if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus) return; down_read(&pci_bus_sem); list_for_each_entry(dev, &bus->devices, bus_list) if (pci_is_pcie(dev) - && dev->pcie_type == PCI_EXP_TYPE_RC_END) + && pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END) pcie_pme_set_native(dev, NULL); up_read(&pci_bus_sem); } @@ -421,7 +407,7 @@ static int pcie_pme_resume(struct pcie_device *srv) /** * pcie_pme_remove - Prepare PCIe PME service device for removal. - * @srv - PCIe service device to resume. + * @srv - PCIe service device to remove. */ static void pcie_pme_remove(struct pcie_device *srv) { @@ -432,8 +418,8 @@ static void pcie_pme_remove(struct pcie_device *srv) static struct pcie_port_service_driver pcie_pme_driver = { .name = "pcie_pme", - .port_type = PCI_EXP_TYPE_ROOT_PORT, - .service = PCIE_PORT_SERVICE_PME, + .port_type = PCI_EXP_TYPE_ROOT_PORT, + .service = PCIE_PORT_SERVICE_PME, .probe = pcie_pme_probe, .suspend = pcie_pme_suspend, |