KW_I2C_IRQ_MASK 215 arch/powerpc/platforms/powermac/low_i2c.c isr = kw_read_reg(reg_isr) & KW_I2C_IRQ_MASK; KW_I2C_IRQ_MASK 459 arch/powerpc/platforms/powermac/low_i2c.c kw_write_reg(reg_ier, KW_I2C_IRQ_MASK);