| commit | 13cdf48ef15befbd36f8295091b9e0f9bd322963 | [log] [tgz] |
|---|---|---|
| author | Alex Dubov <oakad@yahoo.com> | Thu Apr 12 17:05:25 2007 +1000 |
| committer | Pierre Ossman <drzeus@drzeus.cx> | Tue May 01 13:04:15 2007 +0200 |
| tree | d1092ee1a8aaad0ee6feaf6e98f441315bc1f18e | |
| parent | 5897d657b58efb244b1f82a912ee93e5141ed14c [diff] |
tifm_sd: implement software scatter-gather It was found that delays associated with issue and completion of the commands severely limit performance of the new, fast SD cards. To alleviate this issue scatter-gather emulation in software is implemented for both dma and pio transfer modes. Non-block aligned and high memory sg entries are accounted for. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>