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
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. AI 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