diff options
| author | Hemant Kumar <hemantk@codeaurora.org> | 2016-11-08 15:46:44 -0800 |
|---|---|---|
| committer | Hemant Kumar <hemantk@codeaurora.org> | 2016-11-08 15:47:53 -0800 |
| commit | ab1ac1288b530700542358152c456b78b0d32797 (patch) | |
| tree | 6f03361e7e9b43cd2bd2a6833de263043aee281c /drivers | |
| parent | cd316285c5cb5f72cff8cd4e65ff6154a2ff3a4b (diff) | |
usb: host: xhci: Replace msleep with usleep_range
Since usleep_range provides better accuracy in
comparison to msleep. This helps in reducing the
latency of host bus resume.
Change-Id: Id22104b9e5b63153731df9eb55759de9a86128c6
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 0f51d078416e..a7b055bc279a 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1165,7 +1165,7 @@ 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); + usleep_range(21000, 21500); spin_lock_irqsave(&xhci->lock, flags); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); @@ -1409,7 +1409,7 @@ int xhci_bus_resume(struct usb_hcd *hcd) if (need_usb2_u3_exit) { spin_unlock_irqrestore(&xhci->lock, flags); - msleep(20); + usleep_range(21000, 21500); spin_lock_irqsave(&xhci->lock, flags); } |