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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ga30-20020a1709070c1e00b007ab349af9f9si4734566ejc.158.2022.10.28.05.25.16; Fri, 28 Oct 2022 05:25:42 -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=Plm1piAR; 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 S229482AbiJ1MN3 (ORCPT + 99 others); Fri, 28 Oct 2022 08:13:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbiJ1MN1 (ORCPT ); Fri, 28 Oct 2022 08:13:27 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D2C0DD3A6; Fri, 28 Oct 2022 05:13:26 -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 4185262406; Fri, 28 Oct 2022 12:13:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DEA3DC433D6; Fri, 28 Oct 2022 12:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666959205; bh=ljENQ8jydh0IcG06Xm/fdMGM4Az0YuRelUKmmofFzjc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Plm1piARSo7IubRh36oP78LkgH4juDqvMHiWDWGE7asHDeRamzm0Gku59kcSFbUJK gSx30rrHdMUXu+6e0DqZU1POvpBAf+T1QbsZEan60w5zzWXQ7tQUTK+QvtYi93Ks4o a+eldyaB8d06aqy94fAv4IQ+j8pU3TvRWKZ0LV1+IVEP3F8OBhj2K2X6oFRagOw3uQ 7n2RLV9EyzjSmxQUcPShLljXPkkjleE/KqtmrsTtBxRSAz3lrtG3twbKN9vXZWFhG+ sIhqd1Mz4HMNDLtmReFJMx4LcJhqNp1cqyLzj9OfqgLXpHyY6/0GSwYhUhIzE4tvhG k5zRn+3P7eeMg== Date: Fri, 28 Oct 2022 17:43:21 +0530 From: Vinod Koul To: Vidya Sagar Cc: lpieralisi@kernel.org, robh@kernel.org, kw@linux.com, bhelgaas@google.com, thierry.reding@gmail.com, jonathanh@nvidia.com, kishon@ti.com, mani@kernel.org, Sergey.Semin@baikalelectronics.ru, ffclaire1224@gmail.com, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, kthota@nvidia.com, mmaddireddy@nvidia.com, sagar.tv@gmail.com Subject: Re: [PATCH V3 08/21] phy: tegra: p2u: Set ENABLE_L2_EXIT_RATE_CHANGE in calibration Message-ID: References: <20221013183854.21087-1-vidyas@nvidia.com> <20221013183854.21087-9-vidyas@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221013183854.21087-9-vidyas@nvidia.com> X-Spam-Status: No, score=-7.6 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 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 14-10-22, 00:08, Vidya Sagar wrote: > Set ENABLE_L2_EXIT_RATE_CHANGE register bit to request UPHY PLL rate change > to Gen1 during initialization. This helps in the below surprise link down > cases, > - Surprise link down happens at Gen3/Gen4 link speed. > - Surprise link down happens and external REFCLK is cut off, which causes > UPHY PLL rate to deviate to an invalid rate. Applied, thanks -- ~Vinod