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authorLinus Torvalds <torvalds@linux-foundation.org>2019-06-21 10:16:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-06-21 10:16:41 -0700
commitcf24242189b935826a88feedb64761cbf483e42c (patch)
tree5de0f1d93fbffc029399e688aa3748b0bb5409fb /drivers/usb/host/xhci.h
parentc884d8ac7ffccc094e9674a3eb3be90d3b296c0a (diff)
parentd28bdaff5e260852621d45edd3af017cc5d16925 (diff)
Merge tag 'usb-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here are four small USB fixes for 5.2-rc6. They include two xhci bugfixes, a chipidea fix, and a small dwc2 fix. Nothing major, just nice things to get resolved for reported issues. All have been in linux-next with no reported issues" * tag 'usb-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: xhci: detect USB 3.2 capable host controllers correctly usb: xhci: Don't try to recover an endpoint if port is in error state. usb: dwc2: Use generic PHY width in params setup usb: chipidea: udc: workaround for endpoint conflict issue
Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7f8b950d1a73..92e764c54154 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1010,6 +1010,15 @@ struct xhci_virt_device {
u8 real_port;
struct xhci_interval_bw_table *bw_table;
struct xhci_tt_bw_info *tt_info;
+ /*
+ * flags for state tracking based on events and issued commands.
+ * Software can not rely on states from output contexts because of
+ * latency between events and xHC updating output context values.
+ * See xhci 1.1 section 4.8.3 for more details
+ */
+ unsigned long flags;
+#define VDEV_PORT_ERROR BIT(0) /* Port error, link inactive */
+
/* The current max exit latency for the enabled USB3 link states. */
u16 current_mel;
/* Used for the debugfs interfaces. */