aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/pcie/pme.c
diff options
context:
space:
mode:
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 {
57 */ 57 */
58void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable) 58void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable)
59{ 59{
60 int rtctl_pos;
61 u16 rtctl;
62
63 rtctl_pos = pci_pcie_cap(dev) + PCI_EXP_RTCTL;
64
65 pci_read_config_word(dev, rtctl_pos, &rtctl);
66 if (enable) 60 if (enable)
67 rtctl |= PCI_EXP_RTCTL_PMEIE; 61 pcie_capability_set_word(dev, PCI_EXP_RTCTL,
62 PCI_EXP_RTCTL_PMEIE);
68 else 63 else
69 rtctl &= ~PCI_EXP_RTCTL_PMEIE; 64 pcie_capability_clear_word(dev, PCI_EXP_RTCTL,
70 pci_write_config_word(dev, rtctl_pos, rtctl); 65 PCI_EXP_RTCTL_PMEIE);
71} 66}
72 67
73/** 68/**
@@ -120,7 +115,7 @@ static bool pcie_pme_from_pci_bridge(struct pci_bus *bus, u8 devfn)
120 if (!dev) 115 if (!dev)
121 return false; 116 return false;
122 117
123 if (pci_is_pcie(dev) && dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { 118 if (pci_is_pcie(dev) && pci_pcie_type(dev) == PCI_EXP_TYPE_PCI_BRIDGE) {
124 down_read(&pci_bus_sem); 119 down_read(&pci_bus_sem);
125 if (pcie_pme_walk_bus(bus)) 120 if (pcie_pme_walk_bus(bus))
126 found = true; 121 found = true;
@@ -226,18 +221,15 @@ static void pcie_pme_work_fn(struct work_struct *work)
226 struct pcie_pme_service_data *data = 221 struct pcie_pme_service_data *data =
227 container_of(work, struct pcie_pme_service_data, work); 222 container_of(work, struct pcie_pme_service_data, work);
228 struct pci_dev *port = data->srv->port; 223 struct pci_dev *port = data->srv->port;
229 int rtsta_pos;
230 u32 rtsta; 224 u32 rtsta;
231 225
232 rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA;
233
234 spin_lock_irq(&data->lock); 226 spin_lock_irq(&data->lock);
235 227
236 for (;;) { 228 for (;;) {
237 if (data->noirq) 229 if (data->noirq)
238 break; 230 break;
239 231
240 pci_read_config_dword(port, rtsta_pos, &rtsta); 232 pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
241 if (rtsta & PCI_EXP_RTSTA_PME) { 233 if (rtsta & PCI_EXP_RTSTA_PME) {
242 /* 234 /*
243 * Clear PME status of the port. If there are other 235 * Clear PME status of the port. If there are other
@@ -276,17 +268,14 @@ static irqreturn_t pcie_pme_irq(int irq, void *context)
276{ 268{
277 struct pci_dev *port; 269 struct pci_dev *port;
278 struct pcie_pme_service_data *data; 270 struct pcie_pme_service_data *data;
279 int rtsta_pos;
280 u32 rtsta; 271 u32 rtsta;
281 unsigned long flags; 272 unsigned long flags;
282 273
283 port = ((struct pcie_device *)context)->port; 274 port = ((struct pcie_device *)context)->port;
284 data = get_service_data((struct pcie_device *)context); 275 data = get_service_data((struct pcie_device *)context);
285 276
286 rtsta_pos = pci_pcie_cap(port) + PCI_EXP_RTSTA;
287
288 spin_lock_irqsave(&data->lock, flags); 277 spin_lock_irqsave(&data->lock, flags);
289 pci_read_config_dword(port, rtsta_pos, &rtsta); 278 pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
290 279
291 if (!(rtsta & PCI_EXP_RTSTA_PME)) { 280 if (!(rtsta & PCI_EXP_RTSTA_PME)) {
292 spin_unlock_irqrestore(&data->lock, flags); 281 spin_unlock_irqrestore(&data->lock, flags);
@@ -335,13 +324,13 @@ static void pcie_pme_mark_devices(struct pci_dev *port)
335 struct pci_dev *dev; 324 struct pci_dev *dev;
336 325
337 /* Check if this is a root port event collector. */ 326 /* Check if this is a root port event collector. */
338 if (port->pcie_type != PCI_EXP_TYPE_RC_EC || !bus) 327 if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus)
339 return; 328 return;
340 329
341 down_read(&pci_bus_sem); 330 down_read(&pci_bus_sem);
342 list_for_each_entry(dev, &bus->devices, bus_list) 331 list_for_each_entry(dev, &bus->devices, bus_list)
343 if (pci_is_pcie(dev) 332 if (pci_is_pcie(dev)
344 && dev->pcie_type == PCI_EXP_TYPE_RC_END) 333 && pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END)
345 pcie_pme_set_native(dev, NULL); 334 pcie_pme_set_native(dev, NULL);
346 up_read(&pci_bus_sem); 335 up_read(&pci_bus_sem);
347 } 336 }