tree fb77a7a82cc62c9e788044cc7117b2cd72368c15
parent 93fc48c785f6266e67663b3cbbf24579b53fe5cf
author Pierre Ossman <drzeus@drzeus.cx> 1214670531 +0200
committer Pierre Ossman <drzeus@drzeus.cx> 1216124084 +0200

sdhci: scatter-gather (ADMA) support

Add support for the scatter-gather DMA mode present on newer controllers.
As the mode requires 32-bit alignment, non-aligned chunks are handled by
using a bounce buffer.

Also add some new quirks to handle controllers that have bugs in the
ADMA engine.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>