Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-12-01 Thread nguyenb
On 2020-11-30 22:54, Stanley Chu wrote: Hi Asutosh, On Mon, 2020-11-30 at 19:07 -0800, Asutosh Das (asd) wrote: On 11/30/2020 5:25 PM, Stanley Chu wrote: > On Mon, 2020-11-30 at 15:54 -0800, Asutosh Das (asd) wrote: >> On 11/30/2020 3:14 PM, Bjorn Andersson wrote: >>> On Mon 30 Nov 16:51 CST

RE: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Avri Altman
> > Hi Stanley > > > > Thanks for the patch. Bao (nguyenb) was also working towards > something > > similar. > > Would it be possible for you to take into account the scenario in > which the > > same platform supports both 2.x and 3.x UFS devices? > > > >

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Stanley Chu
Hi Asutosh, On Mon, 2020-11-30 at 19:07 -0800, Asutosh Das (asd) wrote: > On 11/30/2020 5:25 PM, Stanley Chu wrote: > > On Mon, 2020-11-30 at 15:54 -0800, Asutosh Das (asd) wrote: > >> On 11/30/2020 3:14 PM, Bjorn Andersson wrote: > >>> On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: > >>>

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Bjorn Andersson
On Mon 30 Nov 21:19 CST 2020, Asutosh Das (asd) wrote: > On 11/30/2020 6:53 PM, Bjorn Andersson wrote: > > On Mon 30 Nov 17:54 CST 2020, Asutosh Das (asd) wrote: > > > > > On 11/30/2020 3:14 PM, Bjorn Andersson wrote: > > > > On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: > > > > > > >

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Can Guo
On 2020-12-01 11:19, Asutosh Das (asd) wrote: On 11/30/2020 6:53 PM, Bjorn Andersson wrote: On Mon 30 Nov 17:54 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 3:14 PM, Bjorn Andersson wrote: On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 1:16 AM, Stanley Chu wrote:

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Asutosh Das (asd)
On 11/30/2020 6:53 PM, Bjorn Andersson wrote: On Mon 30 Nov 17:54 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 3:14 PM, Bjorn Andersson wrote: On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 1:16 AM, Stanley Chu wrote: UFS specficication allows different VCC

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Asutosh Das (asd)
On 11/30/2020 5:25 PM, Stanley Chu wrote: On Mon, 2020-11-30 at 15:54 -0800, Asutosh Das (asd) wrote: On 11/30/2020 3:14 PM, Bjorn Andersson wrote: On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 1:16 AM, Stanley Chu wrote: UFS specficication allows different VCC

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Bjorn Andersson
On Mon 30 Nov 17:54 CST 2020, Asutosh Das (asd) wrote: > On 11/30/2020 3:14 PM, Bjorn Andersson wrote: > > On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: > > > > > On 11/30/2020 1:16 AM, Stanley Chu wrote: > > > > UFS specficication allows different VCC configurations for UFS devices, >

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Stanley Chu
On Mon, 2020-11-30 at 15:54 -0800, Asutosh Das (asd) wrote: > On 11/30/2020 3:14 PM, Bjorn Andersson wrote: > > On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: > > > >> On 11/30/2020 1:16 AM, Stanley Chu wrote: > >>> UFS specficication allows different VCC configurations for UFS devices, >

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Asutosh Das (asd)
On 11/30/2020 3:14 PM, Bjorn Andersson wrote: On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: On 11/30/2020 1:16 AM, Stanley Chu wrote: UFS specficication allows different VCC configurations for UFS devices, for example, (1). 2.70V - 3.60V (By default) (2). 1.70V -

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Bjorn Andersson
On Mon 30 Nov 16:51 CST 2020, Asutosh Das (asd) wrote: > On 11/30/2020 1:16 AM, Stanley Chu wrote: > > UFS specficication allows different VCC configurations for UFS devices, > > for example, > > (1). 2.70V - 3.60V (By default) > > (2). 1.70V - 1.95V (Activated if "vcc-supply-1p8" is

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Bjorn Andersson
On Mon 30 Nov 03:16 CST 2020, Stanley Chu wrote: > UFS specficication allows different VCC configurations for UFS devices, > for example, > (1). 2.70V - 3.60V (By default) > (2). 1.70V - 1.95V (Activated if "vcc-supply-1p8" is declared in > device tree) >

Re: [RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Asutosh Das (asd)
On 11/30/2020 1:16 AM, Stanley Chu wrote: UFS specficication allows different VCC configurations for UFS devices, for example, (1). 2.70V - 3.60V (By default) (2). 1.70V - 1.95V (Activated if "vcc-supply-1p8" is declared in device tree) (3).

[RFC PATCH v1] scsi: ufs: Remove pre-defined initial VCC voltage values

2020-11-30 Thread Stanley Chu
UFS specficication allows different VCC configurations for UFS devices, for example, (1). 2.70V - 3.60V (By default) (2). 1.70V - 1.95V (Activated if "vcc-supply-1p8" is declared in device tree) (3). 2.40V - 2.70V (Supported since UFS 3.x) With