From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1692720-1516626755-2-3195697384970813980 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no ("Email failed DMARC policy for domain") X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES enda, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: X-IgnoreVacation: yes ("Email failed DMARC policy for domain") X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-usb-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1516626755; b=Vi/R8e50aluhlWQAbUBsozNByy10j03ZofIRvV24+CIgavX x11A8lDak6NrL7r1wTwPIaWW2y5vhXRtslJ0OKuMefMKCwb/joQo5IpW76TVoLUq V4kjcCQxKRPkqx9zaupU5G7o2ibTy1g0oIqPJkPAju28nc7VCjErTqh1Mwh45tyU ElGJufpSmLjW7XqWobiPLwE2uYEC+fE6H/keiDOoSI3250pN4zuuELiz7mFphVcz u1U8GsWPCvTKlKOPwr9AFahwecp/H+sYQgXqMwRAOsssxLHW9NXAzfJrPNrF7+1k eNkFrx4ykMLIwOZf8BOgCqvsaTU4kHik4k82dvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1516626755; bh=E3GVU8iWHL7NtvsZIqYGd70m0y UMMeugfaJDIpk8/Vs=; b=bAvKKy+ci/TPnEGW+n2U+7SpxWCvY2L7RHE3RuhbUw WG2lgmwsOR9jGFGX1+AR9dvolJk6VfWIjwg9zKAZ/3oNOM3dP4Ujvon3B8cLA21h l4Cq64UDHxXn9gxMC8wzYGLMgJ5MvSoZ6AVXmnT/2EEQYwZSdm/DJlGU3/ocmQlo QgkUoHFT2B72xvcQQgZh6p1POwfvlFugpi9rpPyASWWHpXRPCtGHRqD9jpLm7oUb /yXv3iU9ccPEZGKaL3K6n/2Ir2uN7hr0uGi9jks+2zc6n+ItPE2wvWqPj6PsONxP BudHRYA2GXrmvqKienVg2+l9oTDQdLhVUfGDQ+oFleDw== ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 1024-bit rsa key sha256) header.d=ti.com header.i=@ti.com header.b=JUypxj5W x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=ti-com-17Q1; dmarc=fail (p=quarantine,has-list-id=yes,d=quarantine) header.from=ti.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=ti.com header.result=pass header_is_org_domain=yes Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 1024-bit rsa key sha256) header.d=ti.com header.i=@ti.com header.b=JUypxj5W x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=ti-com-17Q1; dmarc=fail (p=quarantine,has-list-id=yes,d=quarantine) header.from=ti.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=ti.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751314AbeAVNMb (ORCPT ); Mon, 22 Jan 2018 08:12:31 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:18677 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751116AbeAVNLg (ORCPT ); Mon, 22 Jan 2018 08:11:36 -0500 From: Roger Quadros To: CC: , , Roger Quadros Subject: [PATCH 1/4] usb: dwc3: prevent setting PRTCAP to OTG from debugfs Date: Mon, 22 Jan 2018 15:11:25 +0200 Message-ID: <1516626688-2302-2-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516626688-2302-1-git-send-email-rogerq@ti.com> References: <1516626688-2302-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: We don't support PRTCAP == OTG so prevent user from setting it via debugfs. Signed-off-by: Roger Quadros --- drivers/usb/dwc3/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 85388dd..2929b1d 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -119,6 +119,9 @@ static void __dwc3_set_mode(struct work_struct *work) if (dwc->dr_mode != USB_DR_MODE_OTG) return; + if (dwc->desired_dr_role == DWC3_GCTL_PRTCAP_OTG) + return; + switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_HOST: dwc3_host_exit(dwc); -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki