From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Viswas G <Viswas.G@microchip.com.com>
Cc: <linux-scsi@vger.kernel.org>,
<Vasanthalakshmi.Tharmarajan@microchip.com>,
<Viswas.G@microchip.com>, <deepak.ukey@microchip.com>,
<martin.petersen@oracle.com>, <yuuzheng@google.com>,
<auradkar@google.com>, <vishakhavc@google.com>,
<bjashnani@google.com>, <radha@google.com>,
<akshatzen@google.com>
Subject: Re: [PATCH v8 2/2] pm80xx : Staggered spin up support.
Date: Tue, 01 Sep 2020 21:20:34 -0400 [thread overview]
Message-ID: <yq1k0xdf006.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20200820185123.27354-3-Viswas.G@microchip.com.com> (Viswas G.'s message of "Fri, 21 Aug 2020 00:21:23 +0530")
Viswas,
> As a part of drive discovery, driver will initaite the drive spin up.
> If all drives do spin up together, it will result in large power
> consumption. To reduce the power consumption, driver provide an option
> to make a small group of drives (say 3 or 4 drives together) to do the
> spin up. The delay between two spin up group and no of drives to spin
> up (group) can be programmed by the customer in seeprom and driver
> will use it to control the spinup.
Please implement this in libsas as several people have suggested.
Thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2020-09-02 1:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-20 18:51 [PATCH v8 0/2] pm80xx : Updates for the driver version 0.1.39 Viswas G
2020-08-20 18:51 ` [PATCH v8 1/2] pm80xx : Support for get phy profile functionality Viswas G
2020-09-02 1:19 ` Martin K. Petersen
2020-09-02 6:35 ` Viswas.G
2020-09-03 1:17 ` Martin K. Petersen
2020-09-09 10:15 ` Viswas.G
2020-08-20 18:51 ` [PATCH v8 2/2] pm80xx : Staggered spin up support Viswas G
2020-09-02 1:20 ` Martin K. Petersen [this message]
2020-09-02 6:38 ` Viswas.G
2020-09-11 5:41 ` Viswas.G
2020-09-11 7:30 ` John Garry
[not found] ` <SN6PR11MB348877970A45BA993C95D14D9D5B0@SN6PR11MB3488.namprd11.prod.outlook.com>
2020-09-02 14:05 ` Jinpu Wang
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