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Thu, 18 Oct 2018 05:57:33 -0500 Received: from DFLE113.ent.ti.com (10.64.6.34) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Thu, 18 Oct 2018 05:57:32 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Thu, 18 Oct 2018 05:57:32 -0500 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id w9IAvU82030732; Thu, 18 Oct 2018 05:57:31 -0500 Subject: Re: omap5: dwc3 interface status in /sys To: Felipe Balbi CC: , Kernel development list , Linux OMAP Mailing List , , References: <5ECC1431-E758-41E6-B751-D336A94433FA@goldelico.com> <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> From: Roger Quadros Openpgp: preference=signencrypt Autocrypt: addr=rogerq@ti.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-GB Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/10/2018 13:50, Felipe Balbi wrote: > Hi, > > On Tue, Oct 16, 2018 at 1:27 PM Roger Quadros wrote: >> >> Felipe, >> >> On 16/10/2018 12:29, H. Nikolaus Schaller wrote: >>> Hi, >>> >>>> Am 17.09.2018 um 10:24 schrieb H. Nikolaus Schaller : >>>> >>>> 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: omap5: dwc3 interface status in /sys Date: Thu, 18 Oct 2018 13:57:30 +0300 Message-ID: References: <5ECC1431-E758-41E6-B751-D336A94433FA@goldelico.com> <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-GB Sender: linux-kernel-owner@vger.kernel.org To: Felipe Balbi Cc: hns@goldelico.com, Kernel development list , Linux OMAP Mailing List , kernel@pyra-handheld.com, letux-kernel@openphoenux.org List-Id: linux-omap@vger.kernel.org On 18/10/2018 13:50, Felipe Balbi wrote: > Hi, > > On Tue, Oct 16, 2018 at 1:27 PM Roger Quadros wrote: >> >> Felipe, >> >> On 16/10/2018 12:29, H. Nikolaus Schaller wrote: >>> Hi, >>> >>>> Am 17.09.2018 um 10:24 schrieb H. Nikolaus Schaller : >>>> >>>> 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