Thread (40 messages) 40 messages, 4 authors, 2021-05-11

Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management

From: Ulf Hansson <hidden>
Date: 2021-05-07 11:37:15
Also in: linux-mmc, lkml

On Fri, 7 May 2021 at 09:48, Shawn Lin [off-list ref] wrote:
On 2021/5/7 15:27, Ulf Hansson wrote:
quoted
On Fri, 7 May 2021 at 04:06, Shawn Lin [off-list ref] wrote:
quoted

On 2021/5/5 0:12, Ulf Hansson wrote:
quoted
In SD spec v4.x the SD function extension registers were introduced. A
I have a v4.0 spec and it doesn't state that v4.0 suppports reading
extension registers but just says TBD instead.  So I guess v4.x doesn't
include v4.0 ?
Good question. The v4.0 spec introduces the CMD48/49 and CMD58/59,
while in v4.10 the spec adds the power management extensions.

I can update the commit message to better reflect this, if you prefer!?
It would be better.
Sure, let me amend the change when applying.
And I downloaded the latest v8.00 spec, checked carefully with the new
features there to make sure we don't make any misinterpretations at
first.

For patch 9 -11 as well,

Reviewed-by: Shawn Lin <redacted>
Thanks!

[...]

Kind regards
Uffe
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