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authorMathias Nyman <mathias.nyman@linux.intel.com>2016-10-20 18:09:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-20 18:54:55 +0300
commit7d3b016a6f5a0fa610dfd02b05654c08fa4ae514 (patch)
treebbf845e04695fde251775472d219915f73cda740 /drivers/usb
parent346e99736c3ce328fd42d678343b70243aca5f36 (diff)
downloadlinux-7d3b016a6f5a0fa610dfd02b05654c08fa4ae514.tar.xz
xhci: use default USB_RESUME_TIMEOUT when resuming ports.
USB2 host inititated resume, and system suspend bus resume need to use the same USB_RESUME_TIMEOUT as elsewhere. This resolves a device disconnect issue at system resume seen on Intel Braswell and Apollolake, but is in no way limited to those platforms. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> CC: <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/xhci-hub.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index c047362b3768..0ef16900efed 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1166,7 +1166,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_RESUME);
spin_unlock_irqrestore(&xhci->lock, flags);
- msleep(20);
+ msleep(USB_RESUME_TIMEOUT);
spin_lock_irqsave(&xhci->lock, flags);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
@@ -1447,7 +1447,7 @@ int xhci_bus_resume(struct usb_hcd *hcd)
if (need_usb2_u3_exit) {
spin_unlock_irqrestore(&xhci->lock, flags);
- msleep(20);
+ msleep(USB_RESUME_TIMEOUT);
spin_lock_irqsave(&xhci->lock, flags);
}