| Message ID | 20221123074826.95369-20-manivannan.sadhasivam@linaro.org |
|---|---|
| State | New |
| Headers |
Return-Path: <linux-kernel-owner@vger.kernel.org>
Delivered-To: ouuuleilei@gmail.com
Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2649778wrr;
Tue, 22 Nov 2022 23:55:10 -0800 (PST)
X-Google-Smtp-Source:
AA0mqf7rQYZsNKnDpt6a8gGbEJbNVHbkSOCK7x81x1SFu87A+b92N+NLvIlYYNea1HXMUkwTXpGe
X-Received: by 2002:a17:903:264c:b0:17c:f013:8fae with SMTP id
je12-20020a170903264c00b0017cf0138faemr21020833plb.138.1669190110684;
Tue, 22 Nov 2022 23:55:10 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; t=1669190110; cv=none;
d=google.com; s=arc-20160816;
b=VmX9dsABAKxz4VnVuARzFSVV7DQvJr0WS7ffoLtk0eHXtfvsOX89Z2sFh7dI/3WHRp
CCNASUkMaSgjOq2gWFXLDaU4P5+FrKQbRHbgvRvTnmbGcNE7zpT3YwOpjOYCYaTDp8qc
/Dyb+clX0s5c0Z66h280152O2Vg9+kEXmSD1bgRjLBpY8HZvUFOcA9igkFmKZm4cMM0c
wI1bgoD6tEq+YOnEhfKtGLW7eQfN2EoW0HgYX6gbTpQaqVCOax4XV+glhs6BD5ooZuZ8
WUk200rsnMD6iMHCf3ZBLGyIoH9lRfmIWs6Ptew+d3qZu27yi+wUwvSE+bVEzBG5ooNV
t/uw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com;
s=arc-20160816;
h=list-id:precedence:content-transfer-encoding:mime-version
:references:in-reply-to:message-id:date:subject:cc:to:from
:dkim-signature;
bh=glMEmrKRq4os3IrGzZuvFW519vUHu5A1N8n6PQVGzlQ=;
b=JV3aIxZyb0XLVvVq7TkdAepYScbF6zz+kJRv4tXKiSfjzOFXm/aSND49ZcZeUHdXn8
lAaByurvY6r6VDIKbdZUDj4KmkXnlxGB+Qk10mYmhArsC6iCgmJvKZDTuMEoPdb6kQ/e
cvPFO4bVcOLBNv4NHrIinmcMcqLWqNX/mM30EJ1eM3ZGPfPhZYnTeEGREhr28324cHKw
gq6k8F4erFeaJhjWlyPaCvJOBX6gX9IRW3EHK8MSXIiFDK55QJzznaShHJwwVZSKpBQH
bNA/oVtq+z5j4IpIqmjjcLVVhs29q7ab7fqp6qTGp4QGp5RPMQnOMkqa7FLH41MAbXYL
nNPA==
ARC-Authentication-Results: i=1; mx.google.com;
dkim=pass header.i=@linaro.org header.s=google header.b=BOIqJRhD;
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=linaro.org
Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20])
by mx.google.com with ESMTP id
j3-20020a170902da8300b00186a2d376afsi1686700plx.273.2022.11.22.23.54.57;
Tue, 22 Nov 2022 23:55:10 -0800 (PST)
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=@linaro.org header.s=google header.b=BOIqJRhD;
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=linaro.org
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S236433AbiKWHwU (ORCPT <rfc822;cjcooper78@gmail.com> + 99 others);
Wed, 23 Nov 2022 02:52:20 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53366 "EHLO
lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S236406AbiKWHv1 (ORCPT
<rfc822;linux-kernel@vger.kernel.org>);
Wed, 23 Nov 2022 02:51:27 -0500
Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com
[IPv6:2607:f8b0:4864:20::530])
by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5853DFBAAC
for <linux-kernel@vger.kernel.org>;
Tue, 22 Nov 2022 23:50:28 -0800 (PST)
Received: by mail-pg1-x530.google.com with SMTP id 62so16063948pgb.13
for <linux-kernel@vger.kernel.org>;
Tue, 22 Nov 2022 23:50:28 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=linaro.org; s=google;
h=content-transfer-encoding:mime-version:references:in-reply-to
:message-id:date:subject:cc:to:from:from:to:cc:subject:date
:message-id:reply-to;
bh=glMEmrKRq4os3IrGzZuvFW519vUHu5A1N8n6PQVGzlQ=;
b=BOIqJRhDIjAKXMdP0E72f+a3Mm553ME26QYgvjzRlnw5V6BDIRXLMaF1se86tGbYQB
ZKJSBLv7ClSBzIHeOGPty5hmKbwaBrkAZyu5V7cAXRjG5/gkyz6zJVwZsudzNbC9l4sX
xGxB/hxYu0PBYiO+yoCyjYeMiJMGg99bn5EY+aEng7GPz83FRjYFs/kI3QkayzRoFvhW
wfs9iSr4xEj+gPjd1lE6V0ENFCIGqFFvmzEws69pHbHcVtxSZqsQQo4soZY0JUzY4sMe
KDFqmpqix67JN0Z5Q/X7RLjj2iVbNpbHIil8wCaS62qxF0o21h88N9YOigHsix7vCpN1
62LA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20210112;
h=content-transfer-encoding:mime-version:references:in-reply-to
:message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc
:subject:date:message-id:reply-to;
bh=glMEmrKRq4os3IrGzZuvFW519vUHu5A1N8n6PQVGzlQ=;
b=76pRlo23PA1x+2f7TPyGoeQFZ/r11kAO2faWmzC4BVHgAX/PAU/cgEg00grhH0vcJK
EpxK2zQhKa9z4qbMUANPu1gWdSV3hq/Q6MNYo3mm09iMWNw79SZuT+Tg1xtk33d2jMVj
qpP3+ud8g06mobGUBQAcmsUnhYHAb2qLFqFB4c/WWe/lVeIk8V+J1SiauZ2G5/8GYifT
K9lRwBJbIA2u9AGyd4lBQli8zX2z3vw7ePGsgDa8K16VzTVGKNK9fqiqFIEuBU6mX1rD
Aufml0jT5wbnbybvkmmEmwLdNsLntjuRZBbgJUOGrdxGt300n9binyGDuTnw16ozWlD7
9Zag==
X-Gm-Message-State: ANoB5pndQcmLKJmNMTzzpa22LC/v8SJWIFnNJp2mGA7Hp5j1XD0F/d0z
tJ5rNLGJIklWDT4biIcLU1fX
X-Received: by 2002:a63:5359:0:b0:46f:3dfb:87e1 with SMTP id
t25-20020a635359000000b0046f3dfb87e1mr9010367pgl.290.1669189827640;
Tue, 22 Nov 2022 23:50:27 -0800 (PST)
Received: from localhost.localdomain ([117.202.191.0])
by smtp.gmail.com with ESMTPSA id
s16-20020a170902a51000b001869f2120a5sm13334059plq.34.2022.11.22.23.50.22
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Tue, 22 Nov 2022 23:50:26 -0800 (PST)
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: martin.petersen@oracle.com, jejb@linux.ibm.com,
andersson@kernel.org, vkoul@kernel.org
Cc: quic_cang@quicinc.com, quic_asutoshd@quicinc.com,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org,
dmitry.baryshkov@linaro.org, ahalaney@redhat.com,
abel.vesa@linaro.org,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH v3 19/20] scsi: ufs: ufs-qcom: Add support for finding max
gear on new platforms
Date: Wed, 23 Nov 2022 13:18:25 +0530
Message-Id: <20221123074826.95369-20-manivannan.sadhasivam@linaro.org>
X-Mailer: git-send-email 2.25.1
In-Reply-To: <20221123074826.95369-1-manivannan.sadhasivam@linaro.org>
References: <20221123074826.95369-1-manivannan.sadhasivam@linaro.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
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
lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?=
X-GMAIL-THRID: =?utf-8?q?1750272689065923688?=
X-GMAIL-MSGID: =?utf-8?q?1750272689065923688?=
|
| Series |
ufs: qcom: Add HS-G4 support
|
|
Commit Message
Manivannan Sadhasivam
Nov. 23, 2022, 7:48 a.m. UTC
Starting from Qcom UFS version 4.0, vendor specific REG_UFS_PARAM0 register can be used to determine the maximum gear supported by the controller. Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- drivers/ufs/host/ufs-qcom.c | 2 ++ drivers/ufs/host/ufs-qcom.h | 4 ++++ 2 files changed, 6 insertions(+)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 3efef2f36e69..607fddb7b4c3 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -291,6 +291,8 @@ static u32 ufs_qcom_get_hs_gear(struct ufs_hba *hba) * Hence downgrade the maximum supported gear to HS-G2. */ return UFS_HS_G2; + } else if (host->hw_ver.major >= 0x4) { + return UFS_QCOM_MAX_GEAR(ufshcd_readl(hba, REG_UFS_PARAM0)); } /* Default is HS-G3 */ diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index 4b00c67e9d7f..dd3abd23ec22 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -94,6 +94,10 @@ enum { #define TMRLUT_HW_CGC_EN BIT(6) #define OCSC_HW_CGC_EN BIT(7) +/* bit definitions for REG_UFS_PARAM0 */ +#define MAX_HS_GEAR_MASK GENMASK(6, 4) +#define UFS_QCOM_MAX_GEAR(x) FIELD_GET(MAX_HS_GEAR_MASK, (x)) + /* bit definition for UFS_UFS_TEST_BUS_CTRL_n */ #define TEST_BUS_SUB_SEL_MASK GENMASK(4, 0) /* All XXX_SEL fields are 5 bits wide */