diff options
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 8c6eafe8966c..b7114c3f52aa 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2123,11 +2123,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, { u32 temp, port_offset, port_count; int i; - u8 major_revision; + u8 major_revision, minor_revision; struct xhci_hub *rhub; temp = readl(addr); major_revision = XHCI_EXT_PORT_MAJOR(temp); + minor_revision = XHCI_EXT_PORT_MINOR(temp); if (major_revision == 0x03) { rhub = &xhci->usb3_rhub; @@ -2141,7 +2142,9 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, return; } rhub->maj_rev = XHCI_EXT_PORT_MAJOR(temp); - rhub->min_rev = XHCI_EXT_PORT_MINOR(temp); + + if (rhub->min_rev < minor_revision) + rhub->min_rev = minor_revision; /* Port offset and count in the third dword, see section 7.2 */ temp = readl(addr + 2); |