From: Roger Quadros <rogerq@ti.com>
To: Felipe Balbi <balbi@kernel.org>
Cc: <hns@goldelico.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
<kernel@pyra-handheld.com>, <letux-kernel@openphoenux.org>
Subject: Re: omap5: dwc3 interface status in /sys
Date: Thu, 18 Oct 2018 13:57:30 +0300 [thread overview]
Message-ID: <dc99d686-9b77-dabf-2d0d-81083e4f98ec@ti.com> (raw)
In-Reply-To: <CAH8TKc-0wDXg4VaOho3_uat3JGQSGa=dQyMu7fJEwi6Tce2Z3g@mail.gmail.com>
On 18/10/2018 13:50, Felipe Balbi wrote:
> Hi,
>
> On Tue, Oct 16, 2018 at 1:27 PM Roger Quadros <rogerq@ti.com> wrote:
>>
>> 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.
>
> sounds like this should be part of DRD/OTG core, no?
Yes Felipe.
--
cheers,
-roger
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
prev parent reply other threads:[~2018-10-18 10:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-17 8:24 H. Nikolaus Schaller
2018-10-16 9:29 ` H. Nikolaus Schaller
2018-10-16 10:27 ` Roger Quadros
2018-10-18 10:50 ` Felipe Balbi
2018-10-18 10:57 ` Roger Quadros [this message]
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