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-rw-r--r--drivers/usb/host/xhci-plat.c2
-rw-r--r--drivers/usb/host/xhci.c7
-rw-r--r--drivers/usb/host/xhci.h1
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 51e22bf89505..6eca5a536c0a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -24,7 +24,7 @@ static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
* here that the generic code does not try to make a pci_dev from our
* dev struct in order to setup MSI
*/
- xhci->quirks |= XHCI_BROKEN_MSI;
+ xhci->quirks |= XHCI_PLAT;
}
/* called during probe() after chip reset completes */
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9478caa2f71f..ead3555d6dba 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -343,9 +343,14 @@ static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci)
static int xhci_try_enable_msi(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
+ struct pci_dev *pdev;
int ret;
+ /* The xhci platform device has set up IRQs through usb_add_hcd. */
+ if (xhci->quirks & XHCI_PLAT)
+ return 0;
+
+ pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
/*
* Some Fresco Logic host controllers advertise MSI, but fail to
* generate interrupts. Don't even try to enable MSI.
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index c338741a675d..6ab1e600dc18 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1542,6 +1542,7 @@ struct xhci_hcd {
#define XHCI_SPURIOUS_REBOOT (1 << 13)
#define XHCI_COMP_MODE_QUIRK (1 << 14)
#define XHCI_AVOID_BEI (1 << 15)
+#define XHCI_PLAT (1 << 16)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */