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From: Roger Quadros <rogerq@ti.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>,
	Felipe Balbi <balbi@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	linux-omap <linux-omap@vger.kernel.org>,
	<kernel@pyra-handheld.com>,
	Discussions about the Letux Kernel 
	<letux-kernel@openphoenux.org>
Subject: Re: omap5: dwc3 interface status in /sys
Date: Tue, 16 Oct 2018 13:27:39 +0300	[thread overview]
Message-ID: <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> (raw)
In-Reply-To: <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com>

Felipe,

On 16/10/2018 12:29, H. Nikolaus Schaller wrote:
> Hi,
> 
>> Am 17.09.2018 um 10:24 schrieb H. Nikolaus Schaller <hns@goldelico.com>:
>>
>> Hi Felipe,
>> I have made otg mode work on the omap5-uevm with help from Roger
>> and now I wonder how to read the interface status for GUI display.
>>
>> On omap3/twl4030 systems we can simply read
>>
>> 	/sys/bus/platform/devices/musb-hdrc.0.auto/mode
>>
>> and get reports e.g. "b_peripheral", "a_host", "b_idle" etc. which can easily
>> be translated into icons for GUI display.
>>
>> We have not found a similar attribute for dwc3 (except part of this information
>> in
>>
>> 	/sys/kernel/debug/4a030000.dwc3
>>
>> but mounting debugfs for GUI purposes isn't a good idea).
>>
>> So do you think it is possible to provide such information to
>>
>> 	/sys/devices/platform/44000000.ocp/4a020000.omap_dwc3/4a030000.dwc3?
> 
> any suggestions?

This question is not specific to omap5.
What is your opinion? If you think it is OK, I can provide a patch for it.

cheers,
-roger


-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

WARNING: multiple messages have this Message-ID (diff)
From: Roger Quadros <rogerq@ti.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>,
	Felipe Balbi <balbi@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	linux-omap <linux-omap@vger.kernel.org>,
	kernel@pyra-handheld.com,
	Discussions about the Letux Kernel <letux-kernel@openphoenux.org>
Subject: Re: omap5: dwc3 interface status in /sys
Date: Tue, 16 Oct 2018 13:27:39 +0300	[thread overview]
Message-ID: <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> (raw)
In-Reply-To: <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com>

Felipe,

On 16/10/2018 12:29, H. Nikolaus Schaller wrote:
> Hi,
> 
>> Am 17.09.2018 um 10:24 schrieb H. Nikolaus Schaller <hns@goldelico.com>:
>>
>> Hi Felipe,
>> I have made otg mode work on the omap5-uevm with help from Roger
>> and now I wonder how to read the interface status for GUI display.
>>
>> On omap3/twl4030 systems we can simply read
>>
>> 	/sys/bus/platform/devices/musb-hdrc.0.auto/mode
>>
>> and get reports e.g. "b_peripheral", "a_host", "b_idle" etc. which can easily
>> be translated into icons for GUI display.
>>
>> We have not found a similar attribute for dwc3 (except part of this information
>> in
>>
>> 	/sys/kernel/debug/4a030000.dwc3
>>
>> but mounting debugfs for GUI purposes isn't a good idea).
>>
>> So do you think it is possible to provide such information to
>>
>> 	/sys/devices/platform/44000000.ocp/4a020000.omap_dwc3/4a030000.dwc3?
> 
> any suggestions?

This question is not specific to omap5.
What is your opinion? If you think it is OK, I can provide a patch for it.

cheers,
-roger


-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

  reply	other threads:[~2018-10-16 10:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-17  8:24 omap5: dwc3 interface status in /sys H. Nikolaus Schaller
2018-10-16  9:29 ` H. Nikolaus Schaller
2018-10-16  9:29   ` H. Nikolaus Schaller
2018-10-16 10:27   ` Roger Quadros [this message]
2018-10-16 10:27     ` Roger Quadros
2018-10-18 10:50     ` Felipe Balbi
2018-10-18 10:57       ` Roger Quadros
2018-10-18 10:57         ` Roger Quadros

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