ubject: Re: [PATCH 3/3] mmc: rtsx: Add SD Express mode support for RTS5261
>
> On Fri, Oct 23, 2020 at 02:12:19PM +0200, Ulf Hansson wrote:
> > SD spec mentions the write-protect switch on SD cards, while uSD cards
> > doesn't have one. In general, host drivers implement supp
On Fri, Oct 23, 2020 at 02:12:19PM +0200, Ulf Hansson wrote:
> SD spec mentions the write-protect switch on SD cards, while uSD cards
> doesn't have one. In general, host drivers implement support for it
> via a dedicated GPIO line routed to one of the pins in the SD slot.
>
> In this SD controlle
On Wed, 28 Oct 2020 at 11:05, 冯锐 wrote:
>
> >
> > >
> > > On Mon, 26 Oct 2020 at 09:22, 冯锐 wrote:
> > > >
> > > > >
> > > > > + Christoph (to help us understand if PCIe/NVMe devices can be
> > > > > + marked
> > > > > + read-only)
> > > > >
> > > > > On Thu, 22 Oct 2020 at 08:04, 冯锐 wrote:
> > >
On Tue, Oct 27, 2020 at 01:54:46PM +0100, Ulf Hansson wrote:
> > For information security purpose, some companies or business users set
> > their notebook SD as "read only".
> > Because a lot of "read only" requirements from those companies or business
> > users, notebook vendor controls reader w
On Mon, 26 Oct 2020 at 09:22, 冯锐 wrote:
>
> >
> > + Christoph (to help us understand if PCIe/NVMe devices can be marked
> > + read-only)
> >
> > On Thu, 22 Oct 2020 at 08:04, 冯锐 wrote:
> > >
> > > >
> > > > On Fri, 25 Sep 2020 at 03:57, wrote:
> > > > >
> > > > > From: Rui Feng
> > > > >
> > >
On Fri, Oct 23, 2020 at 02:12:19PM +0200, Ulf Hansson wrote:
> If I understand you correctly, you are saying that the controller
> should be able to communicate (upwards to the block layer) its known
> write protect state for the corresponding NVMe device, during
> initialization?
Yes.
On Fri, 23 Oct 2020 at 11:14, Christoph Hellwig wrote:
>
> On Fri, Oct 23, 2020 at 10:02:15AM +0200, Ulf Hansson wrote:
> > > > Is there no mechanism to support read-only PCIe/NVMe based storage
> > > > devices?
> > > > If that is the case, maybe it's simply better to not support the
> > > > rea
On Fri, Oct 23, 2020 at 10:02:15AM +0200, Ulf Hansson wrote:
> > > Is there no mechanism to support read-only PCIe/NVMe based storage
> > > devices?
> > > If that is the case, maybe it's simply better to not support the readonly
> > > option
> > > at all for SD express cards?
> > >
> > I think th
+ Christoph (to help us understand if PCIe/NVMe devices can be marked read-only)
On Thu, 22 Oct 2020 at 08:04, 冯锐 wrote:
>
> >
> > On Fri, 25 Sep 2020 at 03:57, wrote:
> > >
> > > From: Rui Feng
> > >
> > > RTS5261 support legacy SD mode and SD Express mode.
> > > In SD7.x, SD association intro
On Fri, 25 Sep 2020 at 03:57, wrote:
>
> From: Rui Feng
>
> RTS5261 support legacy SD mode and SD Express mode.
> In SD7.x, SD association introduce SD Express as a new mode.
> This patch makes RTS5261 support SD Express mode.
As per patch 2, can you please add some more information about what
c
On Tue, 20 Oct 2020 at 08:52, 冯锐 wrote:
>
> Hi All,
>
> A month has passed, do I need to modify these patches?
Unfortunately I didn't get the time to review them before the merge
window opened, but I am looking at them now. Allow me a day or two to
complete the review.
Kind regards
Ufffe
>
> Th
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