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[2620:137:e000::1:20]) by mx.google.com with ESMTP id y28-20020a637d1c000000b0039da2fa740esi3840095pgc.109.2022.04.13.06.45.52; Wed, 13 Apr 2022 06:46:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=j845OEhK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 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 S233694AbiDMK5S (ORCPT + 99 others); Wed, 13 Apr 2022 06:57:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbiDMK5R (ORCPT ); Wed, 13 Apr 2022 06:57:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27BF75A085 for ; Wed, 13 Apr 2022 03:54:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B8BEA61BBE for ; Wed, 13 Apr 2022 10:54:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C379C385A3; Wed, 13 Apr 2022 10:54:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1649847296; bh=YRSjE5SEipQF3+7DHWCXcFxSxmoQRKjQ24qGlk4pUQ8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=j845OEhK0aDGEHuDBHxDdmbqtiETHCGXzmxb3tReLr7XQgKNzxqFk3B7aO07rHgKE XxdD3n2IBI6pYfOekFajFfjT77arlDL/sH+zdsSgVmBrX8IIS+OV4yH04nCI+zVt/O 7HpYQNk/DTTQgkSO7ZeqkCeNXhKSdLWcrcFCiUOHDGI5+fkugPvGdnzbvfwOcdFoRI IbwOT0M1XLOnczZppimPiTDjTuuMASAxeSRWms34wPBI+ZPbQgOJfXIB0JhUWG44eS et3nSpmWpIeVcCi1IuSyEbOvOIUriLmc5lk9DCvO/tpjptO9jjGItbmXBf55leBIZ/ mafbYtarUsgyg== Date: Wed, 13 Apr 2022 16:24:51 +0530 From: Vinod Koul To: Miaoqian Lin Cc: Kishon Vijay Abraham I , Tony Lindgren , linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe Message-ID: References: <20220105123947.17946-1-linmq006@gmail.com> <20220301024615.31899-1-linmq006@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220301024615.31899-1-linmq006@gmail.com> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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 01-03-22, 02:46, Miaoqian Lin wrote: > The pm_runtime_enable will increase power disable depth. > If the probe fails, we should use pm_runtime_disable() to balance > pm_runtime_enable(). And use pm_runtime_dont_use_autosuspend() to > undo pm_runtime_use_autosuspend() > In the PM Runtime docs: > Drivers in ->remove() callback should undo the runtime PM changes done > in ->probe(). Usually this means calling pm_runtime_disable(), > pm_runtime_dont_use_autosuspend() etc. > > We should do this in error handling. Applied, thanks -- ~Vinod