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From: Avri Altman <Avri.Altman@wdc.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Bart Van Assche <bvanassche@acm.org>,
	yongmyung lee <ymhungry.lee@samsung.com>,
	Daejun Park <daejun7.park@samsung.com>,
	"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
	"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
	Zang Leigang <zangleigang@hisilicon.com>,
	Avi Shchislowski <Avi.Shchislowski@wdc.com>,
	Bean Huo <beanhuo@micron.com>,
	"cang@codeaurora.org" <cang@codeaurora.org>,
	"stanley.chu@mediatek.com" <stanley.chu@mediatek.com>
Subject: RE: [PATCH 1/8] scsi: ufshpb: Cache HPB Control mode on init
Date: Sun, 31 Jan 2021 07:08:00 +0000	[thread overview]
Message-ID: <DM6PR04MB65756785F53B6D9FDE581013FCB79@DM6PR04MB6575.namprd04.prod.outlook.com> (raw)
In-Reply-To: <YBGEh4cfPldXoQxI@kroah.com>

> >
> > +static enum UFSHPB_MODE ufshpb_mode;
> 
> How are you allowed to have a single variable for a device-specific
> thing?  What happens when you have two controllers or disks or whatever
> you are binding to here?  How does this work at all?
> 
> This should be per-device, right?
Right. Done.

Not being bickering,  AFAIK, there aren't, nor will be in the foreseen future, any multi-ufs-hosts designs.
There were some talks in the past about ufs cards, but this is officially off the table.

Thanks,
Avri

  reply	other threads:[~2021-01-31  7:10 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-27 15:12 [PATCH 0/8] Add Host control mode to HPB Avri Altman
2021-01-27 15:12 ` [PATCH 1/8] scsi: ufshpb: Cache HPB Control mode on init Avri Altman
2021-01-27 15:19   ` Greg KH
2021-01-31  7:08     ` Avri Altman [this message]
2021-01-31  7:13       ` Greg KH
2021-01-31  7:17         ` Avri Altman
2021-01-27 15:12 ` [PATCH 2/8] scsi: ufshpb: Add host control mode support to rsp_upiu Avri Altman
2021-01-27 15:20   ` Greg KH
2021-01-31  7:08     ` Avri Altman
2021-01-27 15:12 ` [PATCH 3/8] scsi: ufshpb: Add region's reads counter Avri Altman
2021-01-27 15:21   ` Greg KH
2021-01-31  7:25     ` Avri Altman
2021-01-31  7:35       ` Greg KH
2021-01-27 15:12 ` [PATCH 4/8] scsi: ufshpb: Make eviction depends on region's reads Avri Altman
2021-01-27 15:12 ` [PATCH 5/8] scsi: ufshpb: Region inactivation in host mode Avri Altman
2021-01-27 15:12 ` [PATCH 6/8] scsi: ufshpb: Add hpb dev reset response Avri Altman
2021-01-27 15:12 ` [PATCH 7/8] scsi: ufshpb: Add "Cold" regions timer Avri Altman
2021-01-27 15:23   ` Greg KH
2021-01-31  7:30     ` Avri Altman
2021-01-27 15:12 ` [PATCH 8/8] scsi: ufshpb: Add support for host control mode Avri Altman
     [not found] ` <CGME20210127151311epcas2p1696c2b73f3b4777ac0e7f603790b552f@epcms2p2>
2021-02-01  3:51   ` [PATCH 3/8] scsi: ufshpb: Add region's reads counter Daejun Park
2021-02-01  7:12     ` Avri Altman
2021-02-01  7:30       ` gregkh
2021-02-01  7:51         ` Avri Altman
2021-02-01  8:01           ` gregkh
2021-02-01  8:17             ` Avri Altman
2021-02-01  8:44               ` gregkh
2021-02-01  9:04                 ` Avri Altman
     [not found] ` <CGME20210127151318epcas2p1cdad0118807907e55b8d8277daec6f1a@epcms2p4>
2021-02-01  3:59   ` [PATCH 4/8] scsi: ufshpb: Make eviction depends on region's reads Daejun Park
2021-02-01  7:14     ` Avri Altman
     [not found] ` <CGME20210127151338epcas2p2c323a148587e311f7f5e19b4edbe43ec@epcms2p4>
2021-02-01  5:10   ` [PATCH 6/8] scsi: ufshpb: Add hpb dev reset response Daejun Park
2021-02-01  7:20     ` Avri Altman

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