Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[karo-tx-linux.git] / drivers / usb / host / xhci-mem.c

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 1f1687e888d623c33ffe2413fb5584f02c6b733e..fddf2731f798ea3a05a5b18bae7749c064eb4af7 100644 (file)
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2119,11 +2119,12 @@ 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;
@@ -2137,7 +2138,9 @@ 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);