ehci patches

[Sascha Hauer]

The following patches contain some changes for the ehci driver.
Most interesting for all ehci users is the speed up on initialization
based on a patch I found on the U-Boot list. Also, the i.MX53 LOCO
gets USB support.

Sascha

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Sascha Hauer (4):
      USB ehci: make cache handling simpler
      USB ehci: speed up initialization
      ARM i.MX53: Setup USB clocks
      ARM i.MX53 LOCO: Add USB support

 arch/arm/boards/freescale-mx53-loco/board.c |   17 +++++
 arch/arm/mach-imx/imx53.c                   |   17 ++++-
 drivers/usb/core/usb.c                      |    2 +-
 drivers/usb/host/ehci-hcd.c                 |   98 +++++++++------------------
 4 files changed, 63 insertions(+), 71 deletions(-)