From: schowdhu@codeaurora.org
To: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org,
Bryan O'Donoghue <pure.logic@nexus-software.ie>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg KH <greg@kroah.com>,
linux-kernel@vger.kernel.org, ckadabi@codeaurora.org,
tsoni@codeaurora.org, bryanh@codeaurora.org,
psodagud@codeaurora.org, satyap@codeaurora.org,
pheragu@codeaurora.org, Rajendra Nayak <rnayak@codeaurora.org>,
Sibi Sankar <sibis@codeaurora.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Subject: Re: [PATCH V0 4/7] usb: common: eud: Added the driver support for Embedded USB Debugger(EUD)
Date: Tue, 05 Oct 2021 19:27:50 +0530 [thread overview]
Message-ID: <edb2e8a9f293bb4d55650cec983c9ced@codeaurora.org> (raw)
In-Reply-To: <73c1eb4f-6870-1c30-9b23-d991b8c8b35d@infradead.org>
On 2021-10-05 01:38, Randy Dunlap wrote:
> On 10/4/21 4:16 AM, Souradeep Chowdhury wrote:
>> Add support for control peripheral of EUD (Embedded USB Debugger) to
>> listen to events such as USB attach/detach, pet EUD to indicate
>> software
>
> I don't quite understand: what pets the EUD? how does it do that?
Pet EUD is an interrupt that the EUD driver receives periodically to
indicate if the software is functional. On getting the interrupt the
EUD driver first does a detach pet and then followed by the an attach
pet.
>
>> is functional.Reusing the platform device kobj, sysfs entry 'enable'
>> is
>
> functional. Reusing
Ack
>
>> created to enable or disable EUD.
>>
>> To enable the eud the following needs to be done
>> echo 1 >/sys/bus/platform/.../enable
>>
>> To disable eud, following is the command
>> echo 0 >/sys/bus/platform/.../enable
>>
>> Signed-off-by: Souradeep Chowdhury<schowdhu@codeaurora.org>
>> ---
>> Documentation/ABI/testing/sysfs-driver-eud | 7 +
>> drivers/usb/common/Kconfig | 9 +
>> drivers/usb/common/Makefile | 1 +
>> drivers/usb/common/qcom_eud.c | 256
>> +++++++++++++++++++++++++++++
>> 4 files changed, 273 insertions(+)
>> create mode 100644 Documentation/ABI/testing/sysfs-driver-eud
>> create mode 100644 drivers/usb/common/qcom_eud.c
>>
>> diff --git a/Documentation/ABI/testing/sysfs-driver-eud
>> b/Documentation/ABI/testing/sysfs-driver-eud
>> new file mode 100644
>> index 0000000..14a02da
>> --- /dev/null
>> +++ b/Documentation/ABI/testing/sysfs-driver-eud
>> @@ -0,0 +1,7 @@
>> +What: /sys/bus/platform/.../enable
>> +Date: October 2021
>> +Contact: Souradeep Chowdhury<schowdhu@codeaurora.org>
>> +Description:
>> + The Enable/Disable sysfs interface for Embedded
>> + USB Debugger(EUD).This enables and disables the
>
> Debugger (EUD). This enables
Ack
>
>> + EUD based on a 1 or a 0 value.
next prev parent reply other threads:[~2021-10-05 14:00 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-04 11:16 [PATCH V0 0/7] Add Embedded USB Debugger (EUD) driver Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 1/7] dt-bindings: connector: Add property for eud type c connector Souradeep Chowdhury
2021-10-04 16:37 ` Rob Herring
2021-10-05 13:11 ` schowdhu
2021-10-05 16:37 ` Bjorn Andersson
2021-10-07 9:25 ` schowdhu
2021-10-12 3:22 ` Bjorn Andersson
2021-11-02 9:20 ` schowdhu
2021-10-04 11:16 ` [PATCH V0 2/7] dt-bindings: usb: dwc3: Update dwc3 properties for EUD connector Souradeep Chowdhury
2021-10-04 15:50 ` Bjorn Andersson
2021-10-05 12:57 ` schowdhu
2021-10-04 11:16 ` [PATCH V0 3/7] usb: dwc3: drd: Register the eud connector child node for dwc3 Souradeep Chowdhury
2021-10-05 4:42 ` kernel test robot
2021-10-05 12:32 ` kernel test robot
2021-10-04 11:16 ` [PATCH V0 4/7] usb: common: eud: Added the driver support for Embedded USB Debugger(EUD) Souradeep Chowdhury
2021-10-04 11:31 ` Greg KH
2021-10-05 12:54 ` schowdhu
2021-10-04 16:42 ` Bjorn Andersson
2021-10-05 7:14 ` Joe Perches
2021-10-05 13:58 ` schowdhu
2021-10-05 13:01 ` schowdhu
2021-10-04 20:08 ` Randy Dunlap
2021-10-05 13:57 ` schowdhu [this message]
2021-10-04 11:16 ` [PATCH V0 5/7] arm64: dts: qcom: sc7280: Add EUD connector node Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 6/7] arm64: dts: qcom: sc7280: Set the default dr_mode for usb2 Souradeep Chowdhury
2021-10-04 11:16 ` [PATCH V0 7/7] MAINTAINERS: Add maintainer entry for EUD Souradeep Chowdhury
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