diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 16:55:39 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 16:55:39 -0500 |
commit | 00cd25b29ba946b7d0907157577ab5cf421bd50e (patch) | |
tree | 57d76cf7a495ea8f1ac662e12442bf6164ea3024 /drivers/pci/pci.c | |
parent | e2b6d02cca533715d6be40fdfc32d3cc47333358 (diff) | |
parent | b49bfd32901625e4adcfee011d2b32a43b4db67d (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCIe AER: prevent AER injection if hardware masks error reporting
PCI/PM: Use per-device D3 delays
PCI: Check the node argument passed to cpumask_of_node
PCI: AER: fix aer inject result in kernel oops
PCI: pcie portdrv: style cleanup
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 0906599ebfde..315fea47e784 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c | |||
@@ -29,7 +29,17 @@ const char *pci_power_names[] = { | |||
29 | }; | 29 | }; |
30 | EXPORT_SYMBOL_GPL(pci_power_names); | 30 | EXPORT_SYMBOL_GPL(pci_power_names); |
31 | 31 | ||
32 | unsigned int pci_pm_d3_delay = PCI_PM_D3_WAIT; | 32 | unsigned int pci_pm_d3_delay; |
33 | |||
34 | static void pci_dev_d3_sleep(struct pci_dev *dev) | ||
35 | { | ||
36 | unsigned int delay = dev->d3_delay; | ||
37 | |||
38 | if (delay < pci_pm_d3_delay) | ||
39 | delay = pci_pm_d3_delay; | ||
40 | |||
41 | msleep(delay); | ||
42 | } | ||
33 | 43 | ||
34 | #ifdef CONFIG_PCI_DOMAINS | 44 | #ifdef CONFIG_PCI_DOMAINS |
35 | int pci_domains_supported = 1; | 45 | int pci_domains_supported = 1; |
@@ -522,7 +532,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) | |||
522 | /* Mandatory power management transition delays */ | 532 | /* Mandatory power management transition delays */ |
523 | /* see PCI PM 1.1 5.6.1 table 18 */ | 533 | /* see PCI PM 1.1 5.6.1 table 18 */ |
524 | if (state == PCI_D3hot || dev->current_state == PCI_D3hot) | 534 | if (state == PCI_D3hot || dev->current_state == PCI_D3hot) |
525 | msleep(pci_pm_d3_delay); | 535 | pci_dev_d3_sleep(dev); |
526 | else if (state == PCI_D2 || dev->current_state == PCI_D2) | 536 | else if (state == PCI_D2 || dev->current_state == PCI_D2) |
527 | udelay(PCI_PM_D2_DELAY); | 537 | udelay(PCI_PM_D2_DELAY); |
528 | 538 | ||
@@ -1409,6 +1419,7 @@ void pci_pm_init(struct pci_dev *dev) | |||
1409 | } | 1419 | } |
1410 | 1420 | ||
1411 | dev->pm_cap = pm; | 1421 | dev->pm_cap = pm; |
1422 | dev->d3_delay = PCI_PM_D3_WAIT; | ||
1412 | 1423 | ||
1413 | dev->d1_support = false; | 1424 | dev->d1_support = false; |
1414 | dev->d2_support = false; | 1425 | dev->d2_support = false; |
@@ -2247,12 +2258,12 @@ static int pci_pm_reset(struct pci_dev *dev, int probe) | |||
2247 | csr &= ~PCI_PM_CTRL_STATE_MASK; | 2258 | csr &= ~PCI_PM_CTRL_STATE_MASK; |
2248 | csr |= PCI_D3hot; | 2259 | csr |= PCI_D3hot; |
2249 | pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); | 2260 | pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); |
2250 | msleep(pci_pm_d3_delay); | 2261 | pci_dev_d3_sleep(dev); |
2251 | 2262 | ||
2252 | csr &= ~PCI_PM_CTRL_STATE_MASK; | 2263 | csr &= ~PCI_PM_CTRL_STATE_MASK; |
2253 | csr |= PCI_D0; | 2264 | csr |= PCI_D0; |
2254 | pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); | 2265 | pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); |
2255 | msleep(pci_pm_d3_delay); | 2266 | pci_dev_d3_sleep(dev); |
2256 | 2267 | ||
2257 | return 0; | 2268 | return 0; |
2258 | } | 2269 | } |