TXEFS_EFFL_SHIFT  276 drivers/net/can/m_can/m_can.c #define TXEFS_EFFL_MASK		(0x3f << TXEFS_EFFL_SHIFT)
TXEFS_EFFL_SHIFT  887 drivers/net/can/m_can/m_can.c 			>> TXEFS_EFFL_SHIFT;