diff options
| author | Alek Du <alek.du@intel.com> | 2009-07-13 12:41:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-23 06:46:29 -0700 |
| commit | 331ac6b288d9f3689514ced1878041fb0df7e13c (patch) | |
| tree | c2a9d0187fea9224b81a0460b3fbe7f2e4ed0c21 /drivers/usb/host/ehci-hcd.c | |
| parent | 3807e26d69b9ad3864fe03224ebebc9610d5802e (diff) | |
| download | blackbird-op-linux-331ac6b288d9f3689514ced1878041fb0df7e13c.tar.gz blackbird-op-linux-331ac6b288d9f3689514ced1878041fb0df7e13c.zip | |
USB: EHCI: Add Intel Moorestown EHCI controller HOSTPCx extensions and support phy low power mode
The Intel Moorestown EHCI controller supports non-standard HOSTPCx register
extension. This register controls the LPM behaviour and controls the behaviour
of each USB port.
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Alek Du <alek.du@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 7bee1638dfd7..5fbc67c5a913 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -249,6 +249,12 @@ static int ehci_reset (struct ehci_hcd *ehci) retval = handshake (ehci, &ehci->regs->command, CMD_RESET, 0, 250 * 1000); + if (ehci->has_hostpc) { + ehci_writel(ehci, USBMODE_EX_HC | USBMODE_EX_VBPS, + (u32 __iomem *)(((u8 *)ehci->regs) + USBMODE_EX)); + ehci_writel(ehci, TXFIFO_DEFAULT, + (u32 __iomem *)(((u8 *)ehci->regs) + TXFILLTUNING)); + } if (retval) return retval; |
