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[23.128.96.33]) by mx.google.com with ESMTPS id h2-20020a631202000000b00557531eafb0si17704851pgl.559.2023.09.28.05.07.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Sep 2023 05:07:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=JWn+F8Rp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 54DC18057E36; Thu, 28 Sep 2023 04:56:58 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232165AbjI1L4J (ORCPT + 99 others); Thu, 28 Sep 2023 07:56:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232128AbjI1L4H (ORCPT ); Thu, 28 Sep 2023 07:56:07 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D8CF121; Thu, 28 Sep 2023 04:56:06 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EB8DC433C9; Thu, 28 Sep 2023 11:56:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695902165; bh=5b+JFvT9DiouyTUTSqMvYLxQB37vJpbM/wYpqa0N+1Y=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=JWn+F8RprkQZi3B0bDtJqjDmMM8RUdXBlvsOTsWYDU+p9o7nFpcB+kaaJs/bW4fj3 86MFWePufY/fd6Wb72TyvR1SS8DJTdhsNOzy+Z6u/F+WohhRj4FFcwbb1JnKzGuGXk GC4Iduf266O3HekLcoS1mC625s+iPJFHJMVz+5S9M3gtgO68Tim+3fHjQh1XLD6+BO ZX4pSlwTk2q/o6dBjwgqgyRwNH3ewBZWnBAjzLj0sPd4ec+S0sSoBZ9/r7+iSOoM59 SRvfRl4uEEqMhVMd/CGd+7B4JQLm1Ashwmoiz+JwZ2BpWEv78DjLD7yMrLLEGw7VKv bqlpSigxz9UtA== From: Vinod Koul To: Dave Jiang , Fenghua Yu Cc: dmaengine@vger.kernel.org, linux-kernel , Michael Prinke In-Reply-To: <20230924162232.1409454-1-fenghua.yu@intel.com> References: <20230924162232.1409454-1-fenghua.yu@intel.com> Subject: Re: [PATCH] dmaengine: idxd: Register dsa_bus_type before registering idxd sub-drivers Message-Id: <169590216388.152265.6921600433276753022.b4-ty@kernel.org> Date: Thu, 28 Sep 2023 17:26:03 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.12.3 X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 28 Sep 2023 04:56:59 -0700 (PDT) On Sun, 24 Sep 2023 09:22:32 -0700, Fenghua Yu wrote: > idxd sub-drivers belong to bus dsa_bus_type. Thus, dsa_bus_type must be > registered in dsa bus init before idxd drivers can be registered. > > But the order is wrong when both idxd and idxd_bus are builtin drivers. > In this case, idxd driver is compiled and linked before idxd_bus driver. > Since the initcall order is determined by the link order, idxd sub-drivers > are registered in idxd initcall before dsa_bus_type is registered > in idxd_bus initcall. idxd initcall fails: > > [...] Applied, thanks! [1/1] dmaengine: idxd: Register dsa_bus_type before registering idxd sub-drivers commit: 88928addeec577386e8c83b48b5bc24d28ba97fd Best regards, -- ~Vinod