pmac_low_i2c_lock 83 arch/powerpc/include/asm/pmac_low_i2c.h extern int pmac_low_i2c_lock(struct device_node *np); pmac_low_i2c_lock 1069 arch/powerpc/platforms/powermac/low_i2c.c EXPORT_SYMBOL_GPL(pmac_low_i2c_lock);