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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F88EC4167B for ; Wed, 8 Nov 2023 05:34:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234348AbjKHFea (ORCPT ); Wed, 8 Nov 2023 00:34:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229835AbjKHFe1 (ORCPT ); Wed, 8 Nov 2023 00:34:27 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E7EA1A4; Tue, 7 Nov 2023 21:34:25 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD713C433C7; Wed, 8 Nov 2023 05:34:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699421665; bh=QCMb8LNvrw0v1n2WKL+qqMTAtgJkKYzYKLDoK7dEVho=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=INFPOU7QgqLQwfvrQ2zSmvcDkpJuMTs/mqrdkxsp5CJh3g4qm6cPnm7zqAv6AaJXC /slMj1Ht504mIuErcYlVfbIWwxPzRF+WGeIHYZCcFGZkNjikncQShyQ7AfZVr/2BLL 27mIl+jpDNxTpJCAweeSX4ICRZJnuOmdOueyTmgr9VFJdbfeqyGYXjX+fvZgkH/ya1 jW/Eo+5Kcz1Go/uRsCU51gHMhvjvQ+1Sr2URUMV2VduBebwh4z/3ckrXLQbUWbaBcs TusYJpgcxgeXwo5pcRx+dUd2HRBaRaHWhQ4J6lB011K+aW1JOAxRKm5cxXLyZZqP1d Uu5FryDZ9/pjQ== Date: Wed, 8 Nov 2023 11:04:15 +0530 From: Manivannan Sadhasivam To: Can Guo Cc: quic_cang@quicinc.com, bvanassche@acm.org, stanley.chu@mediatek.com, adrian.hunter@intel.com, beanhuo@micron.com, avri.altman@wdc.com, junwoo80.lee@samsung.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , "open list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER..." , open list Subject: Re: [PATCH v2 5/7] scsi: ufs: ufs-qcom: Set initial PHY gear to max HS gear for HW ver 5 and newer Message-ID: <20231108053415.GE3296@thinkpad> References: <1699332374-9324-1-git-send-email-cang@qti.qualcomm.com> <1699332374-9324-6-git-send-email-cang@qti.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1699332374-9324-6-git-send-email-cang@qti.qualcomm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 06, 2023 at 08:46:11PM -0800, Can Guo wrote: > From: Can Guo > > Set the initial PHY gear to max HS gear for hosts with HW ver 5 and newer. > How about, "For UFSHC >= 5.0, set the initial PHY gear based on the gear value returned by ufs_qcom_get_hs_gear(). For the rest, use the existing default value of G2." > This patch is not changing any functionalities or logic but only a > preparation patch for the next patch in this series. > You are also moving the default phy_gear code to ufs_qcom_set_host_params(). So it should be mentioned in the commit message. > Signed-off-by: Can Guo > --- > drivers/ufs/host/ufs-qcom.c | 14 ++++++++------ > 1 file changed, 8 insertions(+), 6 deletions(-) > > diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c > index 55ee31d..94d34b5 100644 > --- a/drivers/ufs/host/ufs-qcom.c > +++ b/drivers/ufs/host/ufs-qcom.c > @@ -1069,6 +1069,14 @@ static void ufs_qcom_set_host_params(struct ufs_hba *hba) > > /* This driver only supports symmetic gear setting i.e., hs_tx_gear == hs_rx_gear */ > host_params->hs_tx_gear = host_params->hs_rx_gear = ufs_qcom_get_hs_gear(hba); > + host->phy_gear = host_params->hs_tx_gear; > + > + /* > + * Power up the PHY using the minimum supported gear (UFS_HS_G2). > + * Switching to max gear will be performed during reinit if supported. > + */ This comment should be moved inside the "if" condition here as done in the next patch. - Mani > + if (host->hw_ver.major < 0x5) > + host->phy_gear = UFS_HS_G2; > } > > static void ufs_qcom_set_caps(struct ufs_hba *hba) > @@ -1313,12 +1321,6 @@ static int ufs_qcom_init(struct ufs_hba *hba) > dev_warn(dev, "%s: failed to configure the testbus %d\n", > __func__, err); > > - /* > - * Power up the PHY using the minimum supported gear (UFS_HS_G2). > - * Switching to max gear will be performed during reinit if supported. > - */ > - host->phy_gear = UFS_HS_G2; > - > return 0; > > out_variant_clear: > -- > 2.7.4 > -- மணிவண்ணன் சதாசிவம்