DEFAULT_SPI_DMA_BUF_LEN  151 drivers/spi/spi-tegra114.c #define DEFAULT_SPI_DMA_BUF_LEN			(16*1024)
DEFAULT_SPI_DMA_BUF_LEN  137 drivers/spi/spi-tegra20-slink.c #define DEFAULT_SPI_DMA_BUF_LEN		(16*1024)