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Subject[PATCH] xhci: only define xhci_msix_sync_irqs() when CONFIG_PM is set
Date
xhci_msic_sync_irqs() function is only called during suspend, when
CONFIG_PM is set, so don't define it unconditionally.

Fixes: 9abe15d55dcc ("xhci: Move xhci MSI sync function to to xhci-pci")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
drivers/usb/host/xhci-pci.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index a53ecc8ff8c5..1e826a159b96 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -88,19 +88,6 @@ 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)
{
@@ -729,6 +716,20 @@ static void xhci_pci_remove(struct pci_dev *dev)
}

#ifdef CONFIG_PM
+
+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));
+ }
+}
+
/*
* In some Intel xHCI controllers, in order to get D3 working,
* through a vendor specific SSIC CONFIG register at offset 0x883c,
--
2.25.1
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