Although the max DMA size supported by the hardware register is 22 bits (or
4M), the Linux driver for this device only supports transfers of up to 2M.
On a device with 8M total memory, I don't think it will make too much of a
difference.
Reported-by: NDamien Le Moal <Damien.LeMoal@wdc.com>
Signed-off-by: NSean Anderson <seanga2@gmail.com>
Reviewed-by: NRick Chen <rick@andestech.com>