From: Andrew Vasquez <andrew.vasquez@qlogic.com>

Rework driver DMA allocations to use the DMA pool APIs
to minimize potential run-time allocation failures.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>

Fixed up rejections and replaced the
schedule_timeout's in the patch with msleep
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>