Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp145408pxb; Tue, 24 Aug 2021 23:00:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzHRjVdCmgPv/ly967N2wNnnHG+TTytlARSDqXtoKi+IpYNl/ZYkzJkvDz27XI/6yycnjEK X-Received: by 2002:aa7:cb86:: with SMTP id r6mr47120243edt.181.1629871229164; Tue, 24 Aug 2021 23:00:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629871229; cv=none; d=google.com; s=arc-20160816; b=GBhOdE1PpD39gnlWvc4d/G/0vUnDunUUDhkM/Gjk6wpwM1J+K4m3n5Fl3GMm4JWKVf KKJLIZXATMzmFZ2EjM69iieWGHMFRJZsvs5p91beGohVaiCJPQIB078CgPxF5Wc7q/3x 2Gz0BAzHeevBg4H9qUiEBcCNWb2fHuZJZS3S2Org5ojSA64kq8CTmOQi7nj9PDV/8szY SL4UHSBEvThdZnj+w3YwcCeGRFISDJzU+/yhr+gOw52MT7p4JiCHA+9o5BSaXLOqVl1T brVzSeBsMmbxvzbt+jHSPKSztU9nVLiZBONJCd62nNskrHsHPDLDlb7O52gG6W4e65hG YULg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:in-reply-to:date:subject :cc:to:from:user-agent:references:dkim-signature; bh=u8TkIasdmgqlsYEP0tjIJ9Y44iCqFmFUPgpMtXDpg0Y=; b=K96VXsdIib1tpmBkVkQD+rl1Oup/kJvNCXIHSI8DyTMVWlRyEedqCL5GPrRXugtmr7 E/xQjlQbxuIvycK7Rog/XodKh5ItweHX5cZJEF7AqNYoguov9UshzrpdcMWx5A/rM3w0 /x+bhVZw1p5rQQRQNs3x/fmsHPokhFaDdlwy7dcM1w65k3TayMiDUa1p7l9Qz0lTJhQT RNhgIbzJO3UaJe+PTYIcTEGjlttsmZ0vMB0FsnWcKUsqS71M6O9B0gCqanlLM1PXsv3r weoxjsMqy+4ZVBVEg9PjMdShQ+OG1A8RP//HonA6VGEKhL/nelS3KExS4UI3DzAIAY05 K9nA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=HK1iek2l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p26si21450581edu.78.2021.08.24.23.00.05; Tue, 24 Aug 2021 23:00:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=HK1iek2l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238139AbhHYF5c (ORCPT + 99 others); Wed, 25 Aug 2021 01:57:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:38626 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232480AbhHYF5c (ORCPT ); Wed, 25 Aug 2021 01:57:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3742561368; Wed, 25 Aug 2021 05:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629871006; bh=bXZkN6k3XEMl7FDzf2tMZzyrQD4N5vHCpFDaMnkAodY=; h=References:From:To:Cc:Subject:Date:In-reply-to:From; b=HK1iek2lH0x/FEbafzj3DMADTPdEAlkCBFBFtiEsczBVKNyfaJqkM+xn4NgNV5acY k5pBhKBwdpqU2lERDjwU//+Po67VOnCPoFio10eTJ69yHgWFJLR+E1haksVQAFAcme Vl/MYhU7dgHBPUYzVSepSOGq9bIErnJkHjPKYy1i0oZy6NUn0mCU5OjEMXwYbIIsIp jazxD+wC3XTp8DwAzEMsvgro5V9/GOmQEdpsvUfw+vY17KVpXJQkiK1P3xDqA48WT2 xZUo4J7qQI430zGGXztKQwTmDnbOKxGlTcxCUSSL0bFdpZ9I20w2uLI6nriBZbFRYl snuG6hlPVKZxg== References: <20210824192337.3100288-1-Nehal-Bakulchandra.shah@amd.com> User-agent: mu4e 1.6.4; emacs 27.2 From: Felipe Balbi To: Nehal Bakulchandra Shah , Heikki Krogerus Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kun.liu2@amd.com, alexander.deucher@amd.com Subject: Re: [RESEND PATCH 2/2] usb: dwc3: pci add property to allow user space role switch Date: Wed, 25 Aug 2021 08:55:41 +0300 In-reply-to: <20210824192337.3100288-1-Nehal-Bakulchandra.shah@amd.com> Message-ID: <87ilzu5ap0.fsf@kernel.org> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Nehal Bakulchandra Shah writes: > For AMD platform there is a requirement to enable user space role > switch from host to device and device to host as customer platform is not > completely capable of OTG i.e. with type C controller it does not have PD > to support role switching. Hence, based ACPI/EC interrupt role switch is > triggered by the usemode script running in background. usermode ? > Signed-off-by: Nehal Bakulchandra Shah I'm okay with this, just wondering if we need to Document the property somewhere. @Heikki, is there a place to document these private properties that's not on DT binding document? -- balbi