Merge tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB fixes and new device ids for 3.12-rc6

  The largest change here is a bunch of new device ids for the option
  USB serial driver for new Huawei devices.  Other than that, just some
  small bug fixes for issues that people have reported (run-time and
  build-time), nothing major"

* tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: usb_phy_gen: refine conditional declaration of usb_nop_xceiv_register
  usb: misc: usb3503: Fix compile error due to incorrect regmap depedency
  usb/chipidea: fix oops on memory allocation failure
  usb-storage: add quirk for mandatory READ_CAPACITY_16
  usb: serial: option: blacklist Olivetti Olicard200
  USB: quirks: add touchscreen that is dazzeled by remote wakeup
  Revert "usb: musb: gadget: fix otg active status flag"
  USB: quirks.c: add one device that cannot deal with suspension
  USB: serial: option: add support for Inovia SEW858 device
  USB: serial: ti_usb_3410_5052: add Abbott strip port ID to combined table as well.
  USB: support new huawei devices in option.c
  usb: musb: start musb on the udc side, too
  xhci: Fix spurious wakeups after S5 on Haswell
  xhci: fix write to USB3_PSSEN and XUSB2PRM pci config registers
  xhci: quirk for extra long delay for S4
  xhci: Don't enable/disable RWE on bus suspend/resume.

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1e36dbb48366..6e0d886bcce5 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -730,6 +730,9 @@ void xhci_shutdown(struct usb_hcd *hcd)
 
         spin_lock_irq(&xhci->lock);
         xhci_halt(xhci);
+        /* Workaround for spurious wakeups at shutdown with HSW */
+        if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+                xhci_reset(xhci);
         spin_unlock_irq(&xhci->lock);
 
         xhci_cleanup_msix(xhci);
@@ -737,6 +740,10 @@ void xhci_shutdown(struct usb_hcd *hcd)
         xhci_dbg_trace(xhci, trace_xhci_dbg_init,
                         "xhci_shutdown completed - status = %x",
                         xhci_readl(xhci, &xhci->op_regs->status));
+
+        /* Yet another workaround for spurious wakeups at shutdown with HSW */
+        if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+                pci_set_power_state(to_pci_dev(hcd->self.controller), PCI_D3hot);
 }
 
 #ifdef CONFIG_PM
@@ -839,6 +846,7 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
 int xhci_suspend(struct xhci_hcd *xhci)
 {
         int                     rc = 0;
+        unsigned int            delay = XHCI_MAX_HALT_USEC;
         struct usb_hcd          *hcd = xhci_to_hcd(xhci);
         u32                     command;
 
@@ -861,8 +869,12 @@ int xhci_suspend(struct xhci_hcd *xhci)
         command = xhci_readl(xhci, &xhci->op_regs->command);
         command &= ~CMD_RUN;
         xhci_writel(xhci, command, &xhci->op_regs->command);
+
+        /* Some chips from Fresco Logic need an extraordinary delay */
+        delay *= (xhci->quirks & XHCI_SLOW_SUSPEND) ? 10 : 1;
+
         if (xhci_handshake(xhci, &xhci->op_regs->status,
-                      STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
+                      STS_HALT, STS_HALT, delay)) {
                 xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
                 spin_unlock_irq(&xhci->lock);
                 return -ETIMEDOUT;