[PATCH V1 0/3] Add notifier call chain to Embedded USB Debug(EUD) driver
Souradeep Chowdhury
quic_schowdhu at quicinc.com
Thu Jul 13 01:26:30 PDT 2023
On 7/12/2023 10:13 PM, Konrad Dybcio wrote:
>
>
> On 12.07.2023 10:22, Souradeep Chowdhury wrote:
>> This patch series adds the notifier chain to the Embedded USB Debug(EUD) driver.
>> The notifier chain is used to check the role switch status of EUD. Since EUD can
>> function only in device mode, other modules trying to do role-switch on the same
>> port have to first check the EUD status by calling this notifier chain and based
>> on the status proceed or block their role-switching step. The modules can call
>> the notifier through the call eud_notifier_call_chain and pass their own
>> role switch state as the argument. This chain will also be able to handle the
>> scenario of multiple modules switching roles on the same port since this can
>> create a priority and ordering among them for conflict resolution.
>>
>> Souradeep Chowdhury (3):
>> usb: misc: Add the interface for notifier call for Embedded USB
>> Debugger(EUD)
>> usb: misc: Add notifier call chain to Embedded USB Debug(EUD) driver
>> MAINTAINERS: Add the header file entry for Embedded USB debugger(EUD)
> Please actually CC all maintainers, as present in the MAINTAINERS file..
>
> Consider using b4:
>
> https://b4.docs.kernel.org/en/latest/index.html
Ack
>
> Konrad
>>
>> MAINTAINERS | 1 +
>> drivers/usb/misc/qcom_eud.c | 52 ++++++++++++++++++++++++++--
>> drivers/usb/misc/qcom_eud_notifier.h | 10 ++++++
>> 3 files changed, 61 insertions(+), 2 deletions(-)
>> create mode 100644 drivers/usb/misc/qcom_eud_notifier.h
>>
>> --
>> 2.17.1
>>
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