From d44a5f98bb49b2c15348fa65cee73df4a157bfbf Mon Sep 17 00:00:00 2001
From: Dolev Raviv <draviv@codeaurora.org>
Date: Sun, 29 Jun 2014 09:40:17 +0300
Subject: [PATCH] ufs: query descriptor API

Introduces the API for sending queries with descriptors.
A descriptor is a block or page of parameters that describe the device.
The descriptors are classified into types and can range in size
from 2 bytes through 255 bytes.
All descriptors have a length value as their first element, and a type
identification element as their second byte.
All descriptors are readable and some may be write once.
They are accessed using their type, index and selector.

Signed-off-by: Dolev Raviv <draviv@codeaurora.org>
Signed-off-by: Raviv Shvili <rshvili@codeaurora.org>
Acked-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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