diff options
Diffstat (limited to 'driver/compat.c')
-rw-r--r-- | driver/compat.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/driver/compat.c b/driver/compat.c deleted file mode 100644 index f28f527..0000000 --- a/driver/compat.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <linux/pci.h> - -int pcidriver_pcie_get_mps(struct pci_dev *dev) -{ - u16 ctl; - - pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl); - - return 128 << ((ctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5); -} - -int pcidriver_pcie_set_mps(struct pci_dev *dev, int mps) -{ - u16 v; - - if (mps < 128 || mps > 4096 || !is_power_of_2(mps)) - return -EINVAL; - - v = ffs(mps) - 8; - if (v > dev->pcie_mpss) - return -EINVAL; - v <<= 5; - - return pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_PAYLOAD, v); -} |