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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id g17-20020a170902e39100b00159071f2c80si9567037ple.593.2022.05.09.05.07.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 May 2022 05:07:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=l+zaoFZF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B3A201CE621; Mon, 9 May 2022 04:30:48 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232838AbiEILeX (ORCPT + 99 others); Mon, 9 May 2022 07:34:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231319AbiEILeS (ORCPT ); Mon, 9 May 2022 07:34:18 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA87A1D2FCE; Mon, 9 May 2022 04:30:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=3Qp60fjaH432wSsrjBdzucmsGuUGlPT7M8ehJp5svCQ=; b=l+zaoFZFhtXgoRQOqkDfYTiCjz Tr0WZdiPIQzZ6ScfuCWMCGWSvvFpVonRZiq6VcHt4sC4VCUJk7MHkcsce4Cejs2SJKsHKUbStu8qh lyEvpivJbxNOOdD6lQWh2jUqfY7WlGpQTMO/aMg5zOwWrQemJ1vIZxpXVlvXirRSRoSkYATU4ZMBu PzJ//zL6cSefV/qH+OYVn9nNkZgs9awICReZsJC6gqJytVf3DFOhumUFUUKnHQmuvXBZJsOsTa2Bn CbkqnTlS3NmFj3xjMyUiXPNPHuFgrXVUieCV25I+xXAOdmvHmTBzMnhHKvxL8zQ/s3FqaI7TH7vLv HdZl4L5g==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1no1ac-00E6ow-G3; Mon, 09 May 2022 11:30:10 +0000 Date: Mon, 9 May 2022 04:30:10 -0700 From: Christoph Hellwig To: Krzysztof Kozlowski Cc: Daehwan Jung , Felipe Balbi , Greg Kroah-Hartman , Alim Akhtar , Mathias Nyman , Lukas Bulwahn , Tony Lindgren , Juergen Gross , Arnd Bergmann , Matthias Kaehlcke , open list , "open list:DESIGNWARE USB3 DRD IP DRIVER" , "moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "open list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , sc.suh@samsung.com, taehyun.cho@samsung.com, jh0801.jung@samsung.com, eomji.oh@samsung.com Subject: Re: [PATCH RFC v5 6/6] usb: dwc3: dwc3-exynos: add host init Message-ID: References: <1651818679-10594-1-git-send-email-dh10.jung@samsung.com> <1651818679-10594-7-git-send-email-dh10.jung@samsung.com> <584df17c-3ffc-4290-a2dd-c803987dccfe@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <584df17c-3ffc-4290-a2dd-c803987dccfe@linaro.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 06, 2022 at 08:45:39AM +0200, Krzysztof Kozlowski wrote: > On 06/05/2022 08:31, Daehwan Jung wrote: > > This is for xHCI Host Controller driver on Exynos SOC. > > https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95 > > > It registers vendor ops before loading xhci platform driver. > > It does not explain why do you need it, why do you do it, what is this > going to achieve or give us. Nver mind that the whole concept if "vendor" ops doesnt make any sense whatsoever, as I've repeatedly pointed out. The "vendor" is completely irrelevant for a Linux driver.