Thanks Martin. We will move this to libsas. Regards, Viswas G > -----Original Message----- > From: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > Sent: Wednesday, September 2, 2020 6:51 AM > To: Viswas G <Viswas.G@xxxxxxxxxxxxxxxxx> > Cc: linux-scsi@xxxxxxxxxxxxxxx; Vasanthalakshmi Tharmarajan - I30664 > <Vasanthalakshmi.Tharmarajan@xxxxxxxxxxxxx>; Viswas G - I30667 > <Viswas.G@xxxxxxxxxxxxx>; Deepak Ukey - I31172 > <Deepak.Ukey@xxxxxxxxxxxxx>; martin.petersen@xxxxxxxxxx; > yuuzheng@xxxxxxxxxx; auradkar@xxxxxxxxxx; vishakhavc@xxxxxxxxxx; > bjashnani@xxxxxxxxxx; radha@xxxxxxxxxx; akshatzen@xxxxxxxxxx > Subject: Re: [PATCH v8 2/2] pm80xx : Staggered spin up support. > > EXTERNAL EMAIL: Do not click links or open attachments unless you know > the content is safe > > 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
