From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Daniil Lunev <dlunev@chromium.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
Bart Van Assche <bvanassche@acm.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>, Bean Huo <beanhuo@micron.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
Jonathan Corbet <corbet@lwn.net>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Randy Dunlap <rdunlap@infradead.org>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: ufs: ufshcd: Read device property for ref clock
Date: Mon, 18 Jul 2022 22:50:10 -0400 [thread overview]
Message-ID: <yq1fsixq0it.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20220715210230.1.I365d113d275117dee8fd055ce4fc7e6aebd0bce9@changeid> (Daniil Lunev's message of "Fri, 15 Jul 2022 21:03:53 +1000")
Daniil,
> UFS storage devices require bRefClkFreq attribute to be set to operate
> correctly at high speed mode. The necessary value is determined by
> what the SoC / board supports. The standard doesn't specify a method
> to query the value, so the information needs to be fed in separately.
Applied to 5.20/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2022-07-19 2:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 11:03 [PATCH] scsi: ufs: ufshcd: Read device property for ref clock Daniil Lunev
2022-07-15 11:24 ` Adrian Hunter
2022-07-19 2:50 ` Martin K. Petersen [this message]
2022-07-27 3:15 ` Martin K. Petersen
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