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path: root/drivers/pci/pcie/pme.c
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Diffstat (limited to 'drivers/pci/pcie/pme.c')
-rw-r--r--drivers/pci/pcie/pme.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index 001f1b78f39c..9ca0dc9ffd84 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -57,17 +57,12 @@ 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 +115,7 @@ 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;
@@ -226,18 +221,15 @@ 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 +268,14 @@ 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 +324,13 @@ 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);
}