Since the original Octeon2 USB support was merged, several timing and
electrical issues have been identified that prevent some USB devices
from operating with Octeon2 hosts.
The problems fixed are:
1/3) If the bootloader initializes USB clocks, reinitialization by the
kernel drivers leaves the EHCI/OHCI blocks inoperative.
2/2) Non-compliant 'eye' waveform diagram.
3/3) Incorrect SOF timing.
These are all to the Octeon2 specific clock initialization code and
will not affect any other hosts.
Please consider for 2.6.39
Thanks,
David Daney (3):
USB: octeon2-common: Don't reinitialize the clocks.
usb: octeon2-common.c: Configure ports for proper electrical
characteristics.
usb: Configure octeon2 glue logic for proper uSOF cycle period.
drivers/usb/host/octeon2-common.c | 45 ++++++++++++++++++++++++------------
1 files changed, 30 insertions(+), 15 deletions(-)
--
1.7.2.3
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