From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75C3BC04EBD for ; Tue, 16 Oct 2018 10:28:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16E272083C for ; Tue, 16 Oct 2018 10:28:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="RWU0q5cl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 16E272083C Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727165AbeJPSRr (ORCPT ); Tue, 16 Oct 2018 14:17:47 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:59084 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726083AbeJPSRr (ORCPT ); Tue, 16 Oct 2018 14:17:47 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id w9GARiX1111297; Tue, 16 Oct 2018 05:27:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1539685664; bh=rWfFT1QZ4Xv+0FRdkFya2kpYyx4SjSBCbziJQWzTs1U=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=RWU0q5clz1eAwc+zqC19VzNgX+04M5qVe/5Bc/wp2t87O/a3/idTE/PSlF7lLY2jE qXW2zhLWOfr16HTbCwvtCIhzzn2nhvLKkXR71D8aAYfN1Tc/0WYp+ZzbWrppRrZlk/ 1OIS+tgKsn9FVMxFeyfY2Tr5hJOqaUpB/bag3/7M= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w9GARiTX014009; Tue, 16 Oct 2018 05:27:44 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Tue, 16 Oct 2018 05:27:41 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Tue, 16 Oct 2018 05:27:41 -0500 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w9GARdqS019713; Tue, 16 Oct 2018 05:27:39 -0500 Subject: Re: omap5: dwc3 interface status in /sys To: "H. Nikolaus Schaller" , Felipe Balbi CC: LKML , linux-omap , , Discussions about the Letux Kernel References: <5ECC1431-E758-41E6-B751-D336A94433FA@goldelico.com> <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> From: Roger Quadros Openpgp: preference=signencrypt Autocrypt: addr=rogerq@ti.com; prefer-encrypt=mutual; keydata= xsFNBFT1lPYBEADZlKgOS2lxNkDRlcROza/QPsYrS+V2YAXOd4rO/sshQDt1OgU4E8DD37t0 F4zipBkMVU1nQ6ZSomg2o9w17wD7sL0wNO+QZ0j5V2yy2SJIlK70lgmz90GlL93V3T/BFJNr YdtC6FBWvczrXXz6qIKq+3s9j+gMx4CFsZX8vq35xcsaNdyWzX2J7hqMKQ+vYuLvy3u2UMIc pgkwfx5CHXHmWVr4/qWPB+O9YtN9m1ezfPLwbZ73Ea5LpnvCGO6s4IHFLl2hPpDGUCHHV/1N qg3N5ztm4bhN9C0+1qdmhuFGhkfC3O4h/ncywTUNuxqk2Tux19GX3BeWiJF7QVVJb2iXttdo Zi44vp32I7LbcMcXYifHHGYwS5GeAudx6O19RTS+D7XQ1BkSmw8weaTleLhJwApVBon2KziB NscqXsj6CdKFwLFsDPkkvYCsEpWz3C9UUn8veOna2STk8oyk1GM+iVarBad6gs0n8NFNrR2n nLjIFuZ6GIwec3HNaX5Zk3ap1z7qsZ/BVou8r95FJw7cAQU3H5vgHZkGHy9xl6LmPvAf0tWT sO1a9mbf7gcC2u4ccHJ+hTvGk62/E/+AxbtzUDQI0D2ouS9DnwO92UZDJrJhj6m3u1c8mR45 W2CFvZSVPmDSxbyWm3ADzsjfRQlhLkzsV9BoDq8uRMzWUPd8IQARAQABzTRSb2dlciBRdWFk cm9zIChLZXkgZm9yIExpbnV4IGtlcm5lbCkgPHJvZ2VycUB0aS5jb20+wsF4BBMBAgAiBQJU 9ZT2AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRDSWmvTvnYwkwP2EACuDMmuKaYm rcMhjVcvrrWF7n1LGI4nrmVH93fAI8wZsLSpUwyHeLGNTwSOvJC6U4qLvJAejttdW/DCvU+8 cETqkeh36IQhvxNdp6HGXPD+hywZiDHZi54mfpLU7DTExGyuyKKbh7leH/5QvhZF/NkEXHIC g9caDvnmg0CI5VI6QsleiQPNFL7VYZ3neGKJRHjUGTbKPc/9InqzTCWH7ZI3W0aZoAFrOOYv 4bWSohSruEEYKwE6ebvflwESOj5ikVJY5cPmscYfR6LIBzXtTL4fg296sqkeNtvU99DMjKGX LTKmxPY5lnPkDY1YJbAJKoQ+8DYB5GnXA3CNscgXDQGIwbq2eKlGgLhMjyDVmjGHB0FOuuFQ 6W+PLP0FfYqQdQwJWbPfvXoku3IlljwxAN+gvzi0xD3Yqpl3VDjbn2n/2aRuqa8pVVCrsUnG 4LeoDJeMIHyddK61HXDhN0SoA4RNLm6ZW8E+2DH8ZbFbw8IkSyh9Op01LMzD9tr47JRcrGgv K4o1QOwSe1NIK7yQ/SrENiMvICTeAq4gqvc/maDWbylNsYZc3VO9VAhCCghbdk7kRfYWhzBg C/2RgkMGBBTAOVgMbPcDpFzD5Dukg+Jy4xn97bA/MSH8CyYcLZos0SaSzrjNVIvm+TN71k9+ Q2EhsrlhWj64+IjYmzVIFHyTmc7BTQRU9ZT2ARAA16PDhYuCNxXwcXAPlgpVIXC5ZxvB3xWK QifhimnqxvJsCNkNWt8I3jfY+GwjsjTldzA4jIbHTuaHhXgMMu9YoUVK/YBp5IZ/NiQ3yVL5 K5XU0q/BtG30yox9CPjWCA7OmT3mF+1vT9UrEEPCs8KpWER5ajk+rQpTc1WuwJqBB5WeIlZJ odjxuL3r1Zpgk7LxPwwaw15WutKPFY8ClvXqlmmkU4zlCC5s4oR39f6E6B31yun621fvgu8X LFY4i7aUkVYUleKd7L/GAV98Dnbrop48bQM+gDtyPODPh8fJylsPvZAYEqiapSsYiHvts3r/ nEw0RASNyjp5pNBWb5/JbBjboKhGCoBJzkDHcr5VbeOXuemymJHqgysbmDZY415olIOrYQGT b9p/zg5U/eGFsxKnAe4LquX9oAoEu6K/zkUbA/1LEjSTxu3xGCczxe2ZsKthdYztDkntsw+t U9bt2DCXhmabMCcYS1YP72ZVITpLk4qRfxcrtzgx/uGfuMZDuN7JVYqCz7AI+xEQBLlQWXhL cJ8dH0d+H/3Zs9LVaJAqoc9CiYo1yz8NUH+yHGxz437ccUic8HPB2lIiL/W6C4wVhUbm2w9F 4VdByWgWCCY5Ynhe188sqNL+mFqLAaIssqyYwTBJM+Go6tOuRnP6jrkf2Va/pIwIltzf9QOW cgEAEQEAAcLBXwQYAQIACQUCVPWU9gIbDAAKCRDSWmvTvnYwk8niEACcwBAfe1tTSqCCHkRj zgIrt+NPBBfxilf9JXPGTYqfUkrcVfiNqLGFgIDZKjkLfArxiSmpmtKf1O1VYO9XDgADUKJO RvmUQM/l3Q99QC5b8yUyZOsgfSBOsV6DeqiULO30cXH/uEpR2fUcbtyYXHouiF2UNdq/BV5h HBQkGYtTf7K26NPp4wXMS+YsBm2Gbms/wywJh4KgRPP6LuA+UE/7l0xqMD3pBQ/L1KLTqOQY CItcZ0YbEvlrJc25PRkCssHf1J2c2MXV+CRqsibW8UamBmOyzKHVK/CwvIndwBmcciJrOf+4 uxegvXEnwvYPuQ3wvBSkgbJRFNJemnp5KSczANr4R/aA5cEbxhbg7peLv0FdFyTFJXCsKeuO 1gKoKtOLyxRhDocprSuEamaDWDCy3TmX+6nWaBIPYXDFT7IcHT6l6TyZ6IMjkXiHSLhynTIj f2xjSrvKPljIUxcqjhyqWe+coe/Xwbqz69DsK150xoAaoS3rbNlhmalbg15HNTipNDI/k81A fwt7ncjxvjXVJnA2nqPBDIW3mZO/ED0blLrVdaMZjf5LvS+vvsMdH7dHtrAXA50egr74sX0A NO7iW+gkmFYwap531ipMXthHPWbo5x9xfb+a48xA80ePBJLBDyw9X+cOe40+N4Ybiwy5Q2La IwrfNkJOLj3CvocMIw== Message-ID: <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> Date: Tue, 16 Oct 2018 13:27:39 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> 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 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. 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: Tue, 16 Oct 2018 13:27:39 +0300 Message-ID: <7a765a99-f273-e92c-1437-f3e5535fbaaf@ti.com> References: <5ECC1431-E758-41E6-B751-D336A94433FA@goldelico.com> <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <33FDF48F-4B64-4CE4-BC95-43BAB70B6C37@goldelico.com> Content-Language: en-GB Sender: linux-kernel-owner@vger.kernel.org To: "H. Nikolaus Schaller" , Felipe Balbi Cc: LKML , linux-omap , kernel@pyra-handheld.com, Discussions about the Letux Kernel List-Id: linux-omap@vger.kernel.org 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. cheers, -roger -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki