On Thursday 18 February 2010, Kenji Kaneshige wrote:Hi,
I'm sorry for the delayed comments.
+How about
+/**
+ * pcie_pme_interrupt_enable - Enable/disable PCIe PME interrupt generation.
+ * @dev: PCIe root port or event collector.
+ * @enable: Enable or disable the interrupt.
+ */
+static void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable)
+{
+ int rtctl_pos;
+ u16 rtctl;
+
+ rtctl_pos = pci_find_capability(dev, PCI_CAP_ID_EXP) + PCI_EXP_RTCTL;
rtctl_pos = pci_pcie_cap(dev) + PCI_EXP_RTCTL;
?
The pci_pcie_cap() returns PCIe capability offset saved in struct pci_dev.
By using this, we can avoid redundant search in PCI configuration space.
While I agree with the comment, I'd prefer to change this with a separate
patch, unless the entire patchset misses the merge window.