e1000_write_reg_io

Writes a value to one of the devices registers using port I/O (as opposed to

static void e1000_write_reg_io(
　　struct e1000_hw * hw
　　uint32_t offset
　　uint32_t value
)

hw

offset

value

Writes a value to one of the devices registers using port I/O (as opposed to
memory mapped I/O). Only 82544 and newer devices support port I/O.