Linux SPI Driver

Ref [1] http://processors.wiki.ti.com/index.php/Omapl137_linux_spi_driver
Ref [2] Mail list about SPI Slave driver development -- http://www.mail-archive.com/spi-devel-general@lists.sourceforge.net/msg00384.html
Ref [3] Spi dev on sourceforge open source project -- http://spi-devel.sourceforge.net/documentation.shtml
Ref [4] Spi dev on blackfin project -- http://docs.blackfin.uclinux.org/doku.php?id=spi