system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-22 03:55:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

PCI: Export pcie_set_mps() and pcie_get_mps()

Browse source 
Export pcie_get_mps() and pcie_set_mps() functions so drivers can use
them to simplify code.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang 2013-09-24 12:08:06 -06:00 committed by Bjorn Helgaas
parent 4a10c2ac2f
commit f1c66c4678
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/pci/pci.c
View file

@ -3972,6 +3972,7 @@ int pcie_get_mps(struct pci_dev *dev)
return 128 << ((ctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
}
EXPORT_SYMBOL(pcie_get_mps);
/**
* pcie_set_mps - set PCI Express maximum payload size
@ -3996,6 +3997,7 @@ int pcie_set_mps(struct pci_dev *dev, int mps)
return pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_PAYLOAD, v);
}
EXPORT_SYMBOL(pcie_set_mps);
/**
* pcie_get_minimum_link - determine minimum link settings of a PCI device