PCI : Move pci_fixup_device and is_enabled (originally intended change)
Original patch was posted as "PCI : Move pci_fixup_device and is_enabled". This 2 of 3 patches does: - Move pci_fixup_device and enable_cnt (originally intended change) - relocate pci_fixup_device (recover latter change of 1st patch) Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Inaky Perez-Gonzalez <inaky@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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924b08f3ff
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1 changed files with 12 additions and 12 deletions
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@ -682,22 +682,28 @@ pci_restore_state(struct pci_dev *dev)
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* @bars: bitmask of BAR's that must be configured
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*
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* Initialize device before it's used by a driver. Ask low-level code
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* to enable selected I/O and memory resources. Wake up the device if it
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* to enable selected I/O and memory resources. Wake up the device if it
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* was suspended. Beware, this function can fail.
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*/
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int
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pci_enable_device_bars(struct pci_dev *dev, int bars)
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{
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int err;
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if (atomic_add_return(1, &dev->enable_cnt) > 1)
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return 0; /* already enabled */
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err = pci_set_power_state(dev, PCI_D0);
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if (err < 0 && err != -EIO)
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return err;
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goto err_out;
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err = pcibios_enable_device(dev, bars);
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if (err < 0)
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return err;
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return 0;
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goto err_out;
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pci_fixup_device(pci_fixup_enable, dev);
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err_out:
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atomic_dec(&dev->enable_cnt);
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return err;
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}
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/**
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@ -713,13 +719,7 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
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*/
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int pci_enable_device(struct pci_dev *dev)
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{
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int result;
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if (atomic_add_return(1, &dev->enable_cnt) > 1)
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return 0; /* already enabled */
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result = __pci_enable_device(dev);
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if (result < 0)
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atomic_dec(&dev->enable_cnt);
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return result;
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return pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
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}
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/**
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