SPI_TRANSFER_BUF_LEN  174 drivers/net/can/spi/mcp251x.c #define SPI_TRANSFER_BUF_LEN	(6 + CAN_FRAME_MAX_DATA_LEN)
SPI_TRANSFER_BUF_LEN   41 drivers/net/ethernet/microchip/enc28j60.c #define SPI_TRANSFER_BUF_LEN	(4 + MAX_FRAMELEN)