From patchwork Wed Jul 14 07:11:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanho Park X-Patchwork-Id: 477808 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3673AC11F6A for ; Wed, 14 Jul 2021 07:12:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10425613C2 for ; Wed, 14 Jul 2021 07:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238281AbhGNHPA (ORCPT ); Wed, 14 Jul 2021 03:15:00 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:21030 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238211AbhGNHO6 (ORCPT ); Wed, 14 Jul 2021 03:14:58 -0400 Received: from epcas2p2.samsung.com (unknown [182.195.41.54]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20210714071202epoutp032cb958740e8cd1a58d0f64cdd209ecca~Rlsci-3BJ1952519525epoutp035 for ; Wed, 14 Jul 2021 07:12:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20210714071202epoutp032cb958740e8cd1a58d0f64cdd209ecca~Rlsci-3BJ1952519525epoutp035 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1626246722; bh=kLp8JXy2THeuVplpTPaDlDYNhkGSfgHHsgtP8hixo6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mAxIcD5wbvo/+EmyGUetwfeg3IYzfOA4MWiSXM7HVD/tcajcwhwKKzU/dEuZuRZqP xsvyhOPPfOyvWVlBL5deNbSAE7uUxD7F4tbq+BYLsQjufwqFtBLsjG5BZg2iEEP3NI h6VBVT9eFKQJ3De30bzMkVfeqdY9UoB+bXWczk1Q= Received: from epsnrtp1.localdomain (unknown [182.195.42.162]) by epcas2p3.samsung.com (KnoxPortal) with ESMTP id 20210714071201epcas2p3f38dd696582f064d8722919bf057f0c2~Rlsb3c9bK2291022910epcas2p3Y; Wed, 14 Jul 2021 07:12:01 +0000 (GMT) Received: from epsmges2p1.samsung.com (unknown [182.195.40.187]) by epsnrtp1.localdomain (Postfix) with ESMTP id 4GPpbM6T3wz4x9QC; Wed, 14 Jul 2021 07:11:59 +0000 (GMT) Received: from epcas2p3.samsung.com ( [182.195.41.55]) by epsmges2p1.samsung.com (Symantec Messaging Gateway) with SMTP id 31.42.09921.F3E8EE06; Wed, 14 Jul 2021 16:11:59 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p2.samsung.com (KnoxPortal) with ESMTPA id 20210714071159epcas2p2ae981fb3b91b0eba23060de5de104ec0~RlsZfoYbW1836418364epcas2p2B; Wed, 14 Jul 2021 07:11:59 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210714071159epsmtrp224c40fa2c30796e84eb7d3b2ac61cee2~RlsZdT0dZ0755107551epsmtrp2l; Wed, 14 Jul 2021 07:11:59 +0000 (GMT) X-AuditID: b6c32a45-f9dff700000026c1-0c-60ee8e3fac1a Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 63.43.08394.F3E8EE06; Wed, 14 Jul 2021 16:11:59 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.51]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210714071158epsmtip2f0c19f0fdc5c5c4779c29d5edf3b471e~RlsZQonon2388323883epsmtip2S; Wed, 14 Jul 2021 07:11:58 +0000 (GMT) From: Chanho Park To: Krzysztof Kozlowski , Alim Akhtar , "James E . J . Bottomley" , "Martin K . Petersen" Cc: Can Guo , Jaegeuk Kim , Kiwoong Kim , Avri Altman , Adrian Hunter , Christoph Hellwig , Bart Van Assche , jongmin jeong , Gyunghoon Kwon , linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org, Chanho Park Subject: [PATCH v2 05/15] scsi: ufs: ufs-exynos: get sysreg regmap for io-coherency Date: Wed, 14 Jul 2021 16:11:21 +0900 Message-Id: <20210714071131.101204-6-chanho61.park@samsung.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210714071131.101204-1-chanho61.park@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLJsWRmVeSWpSXmKPExsWy7bCmua5937sEg5f7DSxOPlnDZvFg3jY2 i5c/r7JZTPvwk9ni0/plrBaX92tb9Ox0tjg9YRGTxZP1s5gtFt3YxmSx8pqFxfnzG9gtbm45 ymIx4/w+Jovu6zvYLJYf/8fkIOBx+Yq3x+W+XiaPzSu0PBbvecnksWlVJ5vHhEUHGD0+Pr3F 4tG3ZRWjx+dNch7tB7qZAriicmwyUhNTUosUUvOS81My89JtlbyD453jTc0MDHUNLS3MlRTy EnNTbZVcfAJ03TJzgP5QUihLzCkFCgUkFhcr6dvZFOWXlqQqZOQXl9gqpRak5BQYGhboFSfm Fpfmpesl5+daGRoYGJkCVSbkZCxvf8dccECwYuKSz6wNjGv4uhg5OCQETCSWffHsYuTiEBLY wSjx+cMSFgjnE6PEzN/L2LoYOYGcb4wSr5p1QWyQhplftjBCFO1llDi58DUrhPMRqL13LxNI FZuArsSW56/AqkRA5q5afBdsLrPASWaJ0wsOsoNUCQuESqxYsIIV5BAWAVWJh0fKQcK8AvYS 0w9sY4FYJy9xatlBsKGcAg4SBzd8YISoEZQ4OfMJWA0zUE3z1tnMIPMlBM5wSJzdtJYZotlF 4s2ET6wQtrDEq+Nb2CFsKYnP7/ayQTR0M0q0PvoPlVjNKNHZ6ANh20v8mr4F7DhmAU2J9bv0 IQGmLHHkFtRePomOw3/ZIcK8Eh1tQhCN6hIHtk+HOl9WonvOZ1aIEg+JDRNiIGE1mVFi64sN zBMYFWYh+WYWkm9mIexdwMi8ilEstaA4Nz212KjAEDmCNzGC07WW6w7GyW8/6B1iZOJgPMQo wcGsJMK71OhtghBvSmJlVWpRfnxRaU5q8SFGU2BQT2SWEk3OB2aMvJJ4Q1MjMzMDS1MLUzMj CyVxXg72QwlCAumJJanZqakFqUUwfUwcnFINTPOOHPLWzTr7x0r67RTrkKTs/9t3X+m8bXDs WKWy2TuLq/q8y10Nnl6boDA3x7bJwVv2J+uuLol5MXozrD40hoSULfffWOyR7yBpku36Yv6i PQfizTkO/5/YMd3nwLOD+febnkj8q1Bra7gduWdyzabO+DeJ9RdvrdvqL6P28fOTxctf+FTt vddo+03t7stFFzi1+TLM9NXr3T3v7ePomTPd5l7axCcX9vzoyTmz23ViWtOZ48ynfQOafFT5 jHID/OSTP2sf3yX9WOPGJOZytSR+4XWdluYKr//a9Lz/2MrbNIv11eVta6Mbp5x8v1Qt38bz 4rOJN//HLi2s0Ojq27zi8t4uAwPWWNnD61vfeSuxFGckGmoxFxUnAgBlEqa+YAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupgkeLIzCtJLcpLzFFi42LZdlhJXte+712CwZ0DrBYnn6xhs3gwbxub xcufV9kspn34yWzxaf0yVovL+7UtenY6W5yesIjJ4sn6WcwWi25sY7JYec3C4vz5DewWN7cc ZbGYcX4fk0X39R1sFsuP/2NyEPC4fMXb43JfL5PH5hVaHov3vGTy2LSqk81jwqIDjB4fn95i 8ejbsorR4/MmOY/2A91MAVxRXDYpqTmZZalF+nYJXBnL298xFxwQrJi45DNrA+Mavi5GTg4J AROJmV+2MHYxcnEICexmlJh4+hE7REJW4tm7HVC2sMT9liOsILaQwHtGiT9LSkFsNgFdiS3P X4E1iwjsYpQ4fOYwO4jDLHCZWeLbtCvMIFXCAsES2678AUpwcLAIqEo8PFIOEuYVsJeYfmAb C8QCeYlTyw4ygdicAg4SBzd8YIRYZi/xb9tqNoh6QYmTM5+A1TMD1Tdvnc08gVFgFpLULCSp BYxMqxglUwuKc9Nziw0LDPNSy/WKE3OLS/PS9ZLzczcxgiNLS3MH4/ZVH/QOMTJxMB5ilOBg VhLhXWr0NkGINyWxsiq1KD++qDQntfgQozQHi5I474Wuk/FCAumJJanZqakFqUUwWSYOTqkG JrE2w4re0JhvR37uFd2dLlCZaPFvygJWE5uVm/6Wu7gyWf/Yz/0tllkv5fAylfyJvJNlJdfv 57jJy7Ly/3GhR+e+7rRPSCoUuJh258LLhwobHBnMahzajU/mlB66rlQlMdNw7qIZJ1vOCq5p mJJcONFtXwTPZ6NCk/B1R1l3GNby3N7IcMnxX2nwbI+udbtVG5dkp//zvH/o5uYHRx617Sx+ KBJmrfDI73bYOw+Z+/dVP16OY2z7t4g5clH8VT63wwLmxdoh079c8lV21jknytExx9ll1o1J r23ji9OCd12tDVf6ua40WvTubTt9b/b9c/MKvKOZroQUPvwU/E9C+IThgj/mm5l6Nb89efzt uBJLcUaioRZzUXEiAFMj+RMbAwAA X-CMS-MailID: 20210714071159epcas2p2ae981fb3b91b0eba23060de5de104ec0 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210714071159epcas2p2ae981fb3b91b0eba23060de5de104ec0 References: <20210714071131.101204-1-chanho61.park@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org UFS_EMBD sharability register of fsys block provides "sharability" setting of ufs-exynos. It can be set via syscon and regmap. Signed-off-by: Chanho Park --- .../devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 5 +++++ drivers/scsi/ufs/ufs-exynos.c | 5 +++++ drivers/scsi/ufs/ufs-exynos.h | 1 + 3 files changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml index 38193975c9f1..d3e31b23b62d 100644 --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml @@ -54,6 +54,11 @@ properties: phy-names: const: ufs-phy + sysreg: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: phandle for FSYS sysreg interface, used to control + sysreg register bit for UFS IO Coherency + required: - compatible - reg diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index db5892901cc0..da02ad3b036c 100644 --- a/drivers/scsi/ufs/ufs-exynos.c +++ b/drivers/scsi/ufs/ufs-exynos.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -906,6 +907,10 @@ static int exynos_ufs_parse_dt(struct device *dev, struct exynos_ufs *ufs) goto out; } + ufs->sysreg = syscon_regmap_lookup_by_phandle(np, "sysreg"); + if (IS_ERR(ufs->sysreg)) + ufs->sysreg = NULL; + ufs->pclk_avail_min = PCLK_AVAIL_MIN; ufs->pclk_avail_max = PCLK_AVAIL_MAX; diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h index 7bf2053f6e90..a46f30639f38 100644 --- a/drivers/scsi/ufs/ufs-exynos.h +++ b/drivers/scsi/ufs/ufs-exynos.h @@ -191,6 +191,7 @@ struct exynos_ufs { struct ufs_phy_time_cfg t_cfg; ktime_t entry_hibern8_t; const struct exynos_ufs_drv_data *drv_data; + struct regmap *sysreg; u32 opts; #define EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL BIT(0)