1. d92799e spi: Add GPL-2.0+ SPDX-License-Identifier for missing files by Jagannadha Sutradharudu Teki · Mon Oct 14 13:31:24 2013 +0530
  2. d034a95 spi: Use spi_alloc_slave() in each SPI driver by Simon Glass · Mon Mar 18 19:23:40 2013 +0000
  3. e255427 spi: add new driver for OpenCores tiny_spi by Thomas Chou · Mon Apr 11 19:48:47 2011 +0000