usb: PS3 EHCI QH read work-around

[mirror_ubuntu-bionic-kernel.git] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index e0ca9955880b739f47b72bd68ac9d81d517bf348..9496b7d7ab25507cc86a6634f0989b6db9eb7a1e 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -670,6 +670,7 @@ static int ehci_init(struct usb_hcd *hcd)
        hw = ehci->async->hw;
        hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma);
        hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD);
+       hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7));    /* I = 1 */
        hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);
        hw->hw_qtd_next = EHCI_LIST_END(ehci);
        ehci->async->qh_state = QH_STATE_LINKED;