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Lines 890-898
static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
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| 890 |
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| 891 |
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); |
891 |
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); |
| 892 |
dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); |
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dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); |
| 893 |
if (dev->current_state != state && printk_ratelimit()) |
893 |
if (dev->current_state != state && printk_ratelimit()) { |
| 894 |
pci_info(dev, "Refused to change power state, currently in D%d\n", |
894 |
pci_info(dev, "Refused to change power state, currently in D%d, PMCSR=0x%04x\n", |
| 895 |
dev->current_state); |
895 |
dev->current_state, pmcsr); |
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| 897 |
msleep(10); |
| 898 |
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); |
| 899 |
pci_info(dev, "second read, PMCSR=0x%04x\n", pmcsr); |
| 900 |
msleep(10); |
| 901 |
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); |
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pci_info(dev, "third read, PMCSR=0x%04x\n", pmcsr); |
| 903 |
msleep(50); |
| 904 |
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); |
| 905 |
pci_info(dev, "last read, PMCSR=0x%04x\n", pmcsr); |
| 906 |
} |
| 896 |
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| 897 |
/* |
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/* |
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* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT |
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* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT |