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| author | Ingo Molnar <mingo@elte.hu> | 2009-10-15 10:44:42 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-15 10:44:44 +0400 |
| commit | b226f744d40b052ac126c4cb16c76f66e5185128 (patch) | |
| tree | e86f5c059dde241472689cbe2d55429cd15b2d56 /drivers/pci/pci.c | |
| parent | d5b889f2ecec7849e851ddd31c34bdfb3482b5de (diff) | |
| parent | a3ccf63ee643ef243cbf8918da8b3f9238f10029 (diff) | |
| download | linux-b226f744d40b052ac126c4cb16c76f66e5185128.tar.xz | |
Merge branch 'linus' into perf/core
Merge reason: pick up tools/perf/ changes from upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6edecff0b419..4e4c295a049f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -513,7 +513,11 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) else if (state == PCI_D2 || dev->current_state == PCI_D2) udelay(PCI_PM_D2_DELAY); - dev->current_state = state; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); + dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); + if (dev->current_state != state && printk_ratelimit()) + dev_info(&dev->dev, "Refused to change power state, " + "currently in D%d\n", dev->current_state); /* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT * INTERFACE SPECIFICATION, REV. 1.2", a device transitioning @@ -2542,10 +2546,10 @@ int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type) /** * pci_set_vga_state - set VGA decode state on device and parents if requested - * @dev the PCI device - * @decode - true = enable decoding, false = disable decoding - * @command_bits PCI_COMMAND_IO and/or PCI_COMMAND_MEMORY - * @change_bridge - traverse ancestors and change bridges + * @dev: the PCI device + * @decode: true = enable decoding, false = disable decoding + * @command_bits: PCI_COMMAND_IO and/or PCI_COMMAND_MEMORY + * @change_bridge: traverse ancestors and change bridges */ int pci_set_vga_state(struct pci_dev *dev, bool decode, unsigned int command_bits, bool change_bridge) @@ -2719,17 +2723,6 @@ int __attribute__ ((weak)) pci_ext_cfg_avail(struct pci_dev *dev) return 1; } -static int __devinit pci_init(void) -{ - struct pci_dev *dev = NULL; - - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - pci_fixup_device(pci_fixup_final, dev); - } - - return 0; -} - static int __init pci_setup(char *str) { while (str) { @@ -2767,8 +2760,6 @@ static int __init pci_setup(char *str) } early_param("pci", pci_setup); -device_initcall(pci_init); - EXPORT_SYMBOL(pci_reenable_device); EXPORT_SYMBOL(pci_enable_device_io); EXPORT_SYMBOL(pci_enable_device_mem); |