/alps/pcitool

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bzr branch http://suren.me/webbzr/alps/pcitool
365 by Suren A. Chilingaryan
Restructure driver headers 
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#include <linux/pci.h>

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int pcidriver_pcie_get_mps(struct pci_dev *dev)










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{










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    u16 ctl;










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    pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl);










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    return 128 << ((ctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);










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}










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int pcidriver_pcie_set_mps(struct pci_dev *dev, int mps)










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{










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    u16 v;










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    if (mps < 128 || mps > 4096 || !is_power_of_2(mps))










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        return -EINVAL;










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    v = ffs(mps) - 8;










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    if (v > dev->pcie_mpss)










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        return -EINVAL;










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    v <<= 5;










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    return pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_PAYLOAD, v);










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}