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authorJosue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com>2023-03-17 18:47:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-23 19:25:23 +0300
commit9abe15d55dccec92d361705741ee80f13b4d0888 (patch)
tree272a68b00e08db45e34ed3e692dd599abdd21a64 /drivers/usb/host/xhci-pci.c
parent0c540438c632005ce57f45436a25cafa499d977f (diff)
downloadlinux-9abe15d55dccec92d361705741ee80f13b4d0888.tar.xz
xhci: Move xhci MSI sync function to to xhci-pci
Move function to sync MSI from xhci.c to xhci-pci.c to decouple PCI specific code from generic xhci code. No functional changes, function is an exact copy [commit message rewording -Mathias] Signed-off-by: Josue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20230317154715.535523-15-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
-rw-r--r--drivers/usb/host/xhci-pci.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ef55cadc8d14..a53ecc8ff8c5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -88,6 +88,19 @@ static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
.update_hub_device = xhci_pci_update_hub_device,
};
+static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+{
+ struct usb_hcd *hcd = xhci_to_hcd(xhci);
+
+ if (hcd->msix_enabled) {
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+ int i;
+
+ for (i = 0; i < xhci->msix_count; i++)
+ synchronize_irq(pci_irq_vector(pdev, i));
+ }
+}
+
/* Free any IRQs and disable MSI-X */
static void xhci_cleanup_msix(struct xhci_hcd *xhci)
{
@@ -779,7 +792,6 @@ static void xhci_sparse_control_quirk(struct usb_hcd *hcd)
writel(reg, hcd->regs + SPARSE_CNTL_ENABLE);
}
-extern void xhci_msix_sync_irqs(struct xhci_hcd *xhci);
static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);