tree 5deb53b975439ce61e40bee57259c2d113df598a
parent 834324687d08e0f67b167934cb56406aa98ff8c6
author Linas Vepstas <linas@austin.ibm.com> 1166044019 -0600
committer Jeff Garzik <jeff@garzik.org> 1170712723 -0500

Spidernet DMA coalescing

The current driver code performs 512 DMA mappings of a bunch of
32-byte ring descriptor structures. This is silly, as they are
all in contiguous memory. This patch changes the code to
dma_map_coherent() each rx/tx ring as a whole.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: James K Lewis <jklewis@us.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>