Re: [PATCH V1 0/3] Add notifier call chain to Embedded USB Debug(EUD) driver

From: Konrad Dybcio <konradybcio@kernel.org>
To: Souradeep Chowdhury <quic_schowdhu@quicinc.com>,
	linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Sibi Sankar <quic_sibis@quicinc.com>,
	Rajendra Nayak <quic_rjendra@quicinc.com>
Subject: Re: [PATCH V1 0/3] Add notifier call chain to Embedded USB Debug(EUD) driver
Date: Wed, 12 Jul 2023 18:43:59 +0200	[thread overview]
Message-ID: <c7ed2eb2-3b0a-a75e-bca9-641f802d6e15@kernel.org> (raw)
In-Reply-To: <cover.1689148711.git.quic_schowdhu@quicinc.com>


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

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
>