tree a7ae97193158e5a9d916141ac11ef1a3f9e5f1f9
parent 8b616edb118e37d05f6401389eaee1c636b22828
author Dave Liu <r63238@freescale.com> 1212485899 +0800
committer Wolfgang Denk <wd@denx.de> 1214856827 +0200

sata: wait for device updating signature to host

The driver need wait for the device updating signature to host.
If we don't wait for it, the driver can not detect the device(disk)
when the system powers up.

Signed-off-by: Dave Liu <daveliu@freescale.com>