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SubjectRe: [PATCH v2 1/3] bus: mhi: core: Clear devices when moving execution environments
Hi Mani,

On 2021-01-20 11:50 PM, Manivannan Sadhasivam wrote:
> On Thu, Jan 14, 2021 at 11:16:33AM -0800, Bhaumik Bhatt wrote:
>> When moving from SBL to mission mode execution environment, there
>> is no remove callback notification to MHI client drivers which
>> operate on SBL mode only. Client driver devices are being created
>> in SBL or AMSS(mission mode) and only destroyed after power down
>> or SYS_ERROR. If there exist any SBL-specific channels, those are
>> left open and client drivers are thus unaware of the new execution
>> environment where those channels cannot operate. Close the gap and
>> issue remove callbacks to SBL-specific client drivers once device
>> enters mission mode.
> What are the SBL specific channels and the client drivers operating on
> them?
> If this is something going to come in future, then this patch can come
> later.
> Thanks,
> Mani

Carl from Quectel (CC'd here) will need this patch as he works on EDL
and Flash
Programmer changes which also needs usage of QSAHARA server over SBL.

The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
a Linux Foundation Collaborative Project

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