From: Antoine Tenart <antoine.ten...@free-electrons.com>
Date: Fri, 29 Aug 2014 15:50:59 +0200
> +struct rx_desc {
> + u16 buf_size; /* Buffer size */
> + u16 byte_cnt; /* Descriptor buffer byte count */
...
> + u16 byte_cnt; /* buffer byte count */
> + u16 l4i_chk; /* CPU provided TCP checksum */
I'm really suspcious that you're ordering these two members differently
than that used by the mv643xx_eth driver.
Looking at a diff of the two drivers, most of the transmit and recieve paths
are largely the same.
WRT. register differences, adding indirection to handle that is a no-brainer
because the cost of the register access itself will absolutely dwarf whatever
it costs to do an indirect call or whatever to implement the register access.
I really think you should look into sharing code more seriously.
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