From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30BC7FA3740 for ; Fri, 28 Oct 2022 12:13:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=u9ZfjdSYyG7d8QnQfXdyw7uc5yGsLaxzLFa6SZ1+WeQ=; b=36EV7g7SN8O95M S6x/uGz1T5g4g1dexr+29KUo52nMRQ72cgG2O0OVyDp8BPY2ukV8dDoyz9YW8zbEjLXq8FhynfNHn iWIJqNsNLVebbQQHi4GWU1T6xuPZU+Uq9NkPg/EvWUHxTMJzEN9dhmCQSGLcOqokG6mcJh4WmvmD8 XfTuSpgScN1qmfYcGUGg0U5SSXrmATWC99r3LKnUlvaIACvdEkgWQPnQ3V8oVAMtGhroMncqfo4/8 85AqjLRsu0YzgJENxn8N5zaXjnzvnlsl8u4Dopm9CBFTS6UeVl6KimjUhVJY7hSCI1XmOuP9kLKdk uaesKr47zdlXwgtX4ndQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ooOEr-00H4Mc-Fs; Fri, 28 Oct 2022 12:13:29 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ooOEo-00H4Li-NO for linux-phy@lists.infradead.org; Fri, 28 Oct 2022 12:13:27 +0000 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 48E1162818; 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-Disposition: inline In-Reply-To: <20221013183854.21087-9-vidyas@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221028_051326_816904_46C2E1B7 X-CRM114-Status: UNSURE ( 6.57 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.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 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy