tree c53f47a5e3704e7a4012e7dd26c6ce34333bc923
parent 3fa8749e584b55f1180411ab1b51117190bac1e5
author Pierre Ossman <drzeus@drzeus.cx> 1216940948 +0200
committer Pierre Ossman <drzeus@drzeus.cx> 1223802267 +0200

sdhci: let the controller wait for busy state to end

The sdhci controllers can interrupt us when the busy state from the
card has ended, saving CPU cycles and power.

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