From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Subhash Jadavani <subhashj@codeaurora.org>
Cc: vinholikatti@gmail.com, jejb@linux.vnet.ibm.com,
martin.petersen@oracle.com,
linux-scsi@vger.kernel.org (open list:UNIVERSAL FLASH STORAGE
HOST CONTROLLER DRIVER), linux-kernel@vger.kernel.org (open list)
Subject: Re: [RESEND PATCH v3] scsi: ufshcd: fix possible unclocked register access
Date: Tue, 11 Oct 2016 17:55:16 -0400 [thread overview]
Message-ID: <yq160oyo8jf.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1475815702-8624-1-git-send-email-subhashj@codeaurora.org> (Subhash Jadavani's message of "Thu, 6 Oct 2016 21:48:22 -0700")
>>>>> "Subhash" == Subhash Jadavani <subhashj@codeaurora.org> writes:
Subhash> Vendor specific setup_clocks callback may require the clocks
Subhash> managed by ufshcd driver to be ON. So if the vendor specific
Subhash> setup_clocks callback is called while the required clocks are
Subhash> turned off, it could result into unclocked register access.
Subhash> To prevent possible unclock register access, this change adds
Subhash> one more argument to setup_clocks callback to let it know
Subhash> whether it is called pre/post the clock changes by core driver.
Applied to 4.10/scsi-queue.
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2016-10-11 21:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20161007044848epcas2p1aa83439d196cf352c36f1da4dbd18b1d@epcas2p1.samsung.com>
2016-10-07 4:48 ` Subhash Jadavani
2016-10-08 3:33 ` Kiwoong Kim
2016-10-11 21:55 ` Martin K. Petersen [this message]
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