From: Seungwon Jeon <tgih.jun@samsung.com>
Date: Wed, 26 Jun 2013 17:09:29 +0000 (+0530)
Subject: [SCSI] ufs: rework link start-up process
X-Git-Tag: v3.11-rc1~88^2~6
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ccf44fe4cd7c45a33f571788890a299d8bca448;p=pandora-kernel.git

[SCSI] ufs: rework link start-up process

Link start-up requires long time with multiphase handshakes
between UFS host and device. This affects driver's probe time.
This patch let link start-up run asynchronously. Link start-up
will be executed at the end of prove separately.
Along with this change, the following is worked.

Defined completion time of uic command to avoid a permanent wait.
Added mutex to guarantee of uic command at a time.
Adapted some sequence of controller initialization after link statup
according to HCI standard.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Tested-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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