diff options
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 47763bed378a..582537689ebc 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1161,9 +1161,11 @@ static void handle_port_status(struct xhci_hcd *xhci, struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 port_id; u32 temp, temp1; - u32 __iomem *addr; int max_ports; int slot_id; + unsigned int faked_port_index; + u32 __iomem *port_array[15 + USB_MAXCHILDREN]; + int i; /* Port status change events always have a successful completion code */ if (GET_COMP_CODE(event->generic.field[2]) != COMP_SUCCESS) { @@ -1179,8 +1181,16 @@ static void handle_port_status(struct xhci_hcd *xhci, goto cleanup; } - addr = &xhci->op_regs->port_status_base + NUM_PORT_REGS * (port_id - 1); - temp = xhci_readl(xhci, addr); + for (i = 0; i < max_ports; i++) { + if (i < xhci->num_usb3_ports) + port_array[i] = xhci->usb3_ports[i]; + else + port_array[i] = + xhci->usb2_ports[i - xhci->num_usb3_ports]; + } + + faked_port_index = port_id; + temp = xhci_readl(xhci, port_array[faked_port_index]); if (hcd->state == HC_STATE_SUSPENDED) { xhci_dbg(xhci, "resume root hub\n"); usb_hcd_resume_root_hub(hcd); @@ -1200,7 +1210,7 @@ static void handle_port_status(struct xhci_hcd *xhci, temp = xhci_port_state_to_neutral(temp); temp &= ~PORT_PLS_MASK; temp |= PORT_LINK_STROBE | XDEV_U0; - xhci_writel(xhci, temp, addr); + xhci_writel(xhci, temp, port_array[faked_port_index]); slot_id = xhci_find_slot_id_by_port(xhci, port_id); if (!slot_id) { xhci_dbg(xhci, "slot_id is zero\n"); @@ -1209,10 +1219,10 @@ static void handle_port_status(struct xhci_hcd *xhci, xhci_ring_device(xhci, slot_id); xhci_dbg(xhci, "resume SS port %d finished\n", port_id); /* Clear PORT_PLC */ - temp = xhci_readl(xhci, addr); + temp = xhci_readl(xhci, port_array[faked_port_index]); temp = xhci_port_state_to_neutral(temp); temp |= PORT_PLC; - xhci_writel(xhci, temp, addr); + xhci_writel(xhci, temp, port_array[faked_port_index]); } else { xhci_dbg(xhci, "resume HS port %d\n", port_id); xhci->resume_done[port_id - 1] = jiffies + |