This series encorporates comments from Simon Glass [1] regarding the arguments types and return error types used in generic ULPI code. Adds a documentation for the new CONFIG_* options. In addition it improves the verbosity of the error path.
[1] http://www.mail-archive.com/u-boot@lists.denx.de/msg72060.html
Igor Grinberg (4): USB: ULPI: switch argument type from u8 to unsigned USB: ULPI: clean a mixup of return types USB: ULPI: increase error case verbosity README: add documentation for CONFIG_USB_ULPI*
README | 8 ++++++++ drivers/usb/ulpi/ulpi-viewport.c | 4 ++-- drivers/usb/ulpi/ulpi.c | 30 +++++++++++++++--------------- include/usb/ulpi.h | 8 ++++---- 4 files changed, 29 insertions(+), 21 deletions(-)