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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-20 10:16:07 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-20 10:16:07 +0800
commit571949a40a9c00fdaa3d0256cf43c9e0c25ff2d1 (patch)
tree7edcc302961329a7a3c4d2942f6c2300b4765345 /drivers/usb/host/xhci-mem.c
parent21bdb3b071a7c6f34999545092bf15480ab95f49 (diff)
parent41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff)
Merge 4.12-rc6 into usb-next
We want the USB fixes in here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
-rw-r--r--drivers/usb/host/xhci-mem.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 7c2501a607c8..2a82c927ded2 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2050,11 +2050,12 @@ 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;
@@ -2068,7 +2069,9 @@ 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);