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Thread-Topic: [PATCH v5 00/10] Introduced new Cadence USBSSP DRD Driver. Thread-Index: AQHWzIV6F7b4cz4k60+SiLt/tGCHOKnvgIwA Date: Thu, 10 Dec 2020 00:39:05 +0000 Message-ID: <20201210003835.GA8047@b29397-desktop> References: <20201207103227.606-1-pawell@cadence.com> In-Reply-To: <20201207103227.606-1-pawell@cadence.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mutt/1.9.4 (2018-02-28) authentication-results: cadence.com; dkim=none (message not signed) header.d=none;cadence.com; dmarc=none action=none header.from=nxp.com; x-originating-ip: [119.31.174.67] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 768be27d-d06b-4149-6788-08d89ca3ff8e x-ms-traffictypediagnostic: DBBPR04MB7787: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: JSkYuOJb/PSdaoy/HsQc1GFbTg9efS37BU6PjY5QsyJ0KQnu7yOse8rerFfkXYPOXBt5poB766NcoESj8vzVn+nka1nNMXR3LBSRkhWVMKVXDDr6nNEX8Jv7L6CxOCiELqjL77LO2WdT+E5XsoMDz+V9L/m4KQ56PD6ViTxT8AyHwfsqSRm3dIvaR+2iHhSelgMY04ccZjwZ65Sw/S6ZGRH6elhoe+qAFVP8AwQvUXbjOszTP1TxYPcOhR89B0YYKTgUbhDYJEa/qgO22uBxHsDX1CoNr9+qxg3afqV+H8NKHmus1KKGVfGjV3tLI7Cmd+cKkbjXARtQzRelGreVHg== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DBBPR04MB7979.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(7916004)(376002)(366004)(346002)(136003)(66476007)(66556008)(83380400001)(8936002)(9686003)(33716001)(44832011)(6506007)(53546011)(7416002)(4326008)(66446008)(508600001)(6916009)(64756008)(2906002)(8676002)(5660300002)(66946007)(1076003)(76116006)(6512007)(186003)(91956017)(26005)(86362001)(6486002)(54906003)(71200400001)(33656002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?us-ascii?Q?IZ6UgRWc30ZPzmsFQDvcTasrfpGBpFsrWM5iRpCGIgczPaL51+mlYjxL/cp1?= =?us-ascii?Q?MuZyVCJuhlAJ/9IXIh38DN4CEHa/2hHoeE4BUhCSLr+OsMSb9wMaHPKXkbzm?= =?us-ascii?Q?msWuKIALjNnpH+PZ/UOPlY8nyg9gnfqqxPdbczp0K0NxBAZVOiUNSX4y85lq?= =?us-ascii?Q?Ru6soF6feb2KdNnq5wdcIfo87FsOjhPdgxM7uk2FcRYmh6diBClH2IqPCzrD?= =?us-ascii?Q?QV6cRKM/Jjk4oJZp7QWQpy2CYRhNz1SJQ6dJikesSypVWtO+WkTYySm0Vt/6?= =?us-ascii?Q?SdhBduE6DmOHpewAtO93DYvtDczXzDuwtHwdi+brOatAD+zS5A6k89RwptBz?= =?us-ascii?Q?Danm7P8QEvzTgB5TTLwU20sbUR75Gs9liv93Go3fOCMWSdlKD013whQuJthy?= =?us-ascii?Q?he9AG1izikBQnCVfDXi+er5vVelmBsSvFUhOvGtyNcaLKp9Av2iQmAT8YRMv?= =?us-ascii?Q?kFSPrvt8bg86/bhZnGnErQiLoejzWNUyo8YTj1eUjd3S7hqSOpdGI1N8z0vx?= =?us-ascii?Q?dFQo7H0qN3Lzkx1eFAscfsOFEDwTGf79D6Ao1gAQ/ywDob3KYRBtSxRRNy8I?= =?us-ascii?Q?BBt4GnEJTv4A4H4Jfx3855tEWqah05xABhYmjDHop5k7iSrmxvLrOR8BFx02?= =?us-ascii?Q?XUmtXyYx3Ij3Wngc7EeYldlwTsLAUKjHh9oPNTqWHYXHgexLlaKK+MYVkiF4?= =?us-ascii?Q?+652Y5LNJS8h0fHa/a1LNA8SMkik/1CNhn6VIzfKwV+he9luzRc1cq/Kc9wc?= =?us-ascii?Q?opOnUct7pxTVd0NMybE/b/FNVgf1PBG2vVT3GBYVn7JgWx0QtN+TcK4dnBDV?= =?us-ascii?Q?zx7aLJmjnXRgrKYJO/V64xTy+mqdFGQwJBk7jmJnRclNNqSTvSGav+aDTFUZ?= =?us-ascii?Q?JnBGu62YzN0w4Kw3TZ8z9XLx12zC+sNunDA/tQQWnzWx4wNA5ZOl5XMSSQLR?= =?us-ascii?Q?lfz/nTf8wijvLPWQQrH336YlJ+0cjwCT84BHz8okCY2O637wiyV9ZF1Bj8kb?= =?us-ascii?Q?aUZG?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DBBPR04MB7979.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 768be27d-d06b-4149-6788-08d89ca3ff8e X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Dec 2020 00:39:05.2875 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ATdQ0GRPxpxroQ+C3Vv/P1gFeX8iYM08yCiu9LIsgWzUR85OhTmzukFznvaxDHdPtGEI/ipEkKXSk1RkPWTCjg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBBPR04MB7787 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20-12-07 11:32:17, Pawel Laszczak wrote: > This patch introduce new Cadence USBSS DRD driver to linux kernel. >=20 > The Cadence USBSS DRD Controller is a highly configurable IP Core which > can be instantiated as Dual-Role Device (DRD), Peripheral Only and > Host Only (XHCI)configurations. >=20 > The current driver has been validated with FPGA burned. We have support > for PCIe bus, which is used on FPGA prototyping. >=20 > The host side of USBSS-DRD controller is compliance with XHCI > specification, so it works with standard XHCI Linux driver. >=20 > The device side of USBSS DRD controller is compliant with XHCI. > The architecture for device side is almost the same as for host side, > and most of the XHCI specification can be used to understand how > this controller operates. >=20 > This controller and driver support Full Speed, Hight Speed, Supper Speed > and Supper Speed Plus USB protocol. >=20 > The prefix cdnsp used in driver has chosen by analogy to cdn3 driver. > The last letter of this acronym means PLUS. The formal name of controller > is USBSSP but it's to generic so I've decided to use CDNSP. >=20 > The patch 1: adds support for DRD CDNSP. > The patch 2: separates common code that can be reusable by cdnsp driver. > The patch 3: moves reusable code to separate module. > The patch 4: changes prefixes in reusable code from cdns3 to common cdns. > The patch 5: adopts gadget_dev pointer in cdns structure to make possible= =20 > use it in both drivers. > The patches 6-8: add the main part of driver and has been intentionally > split into 3 part. In my opinion such division should not > affect understanding and reviewing the driver, and cause tha= t > main patch (7/8) is little smaller. Patch 6 introduces main > header file for driver, 7 is the main part that implements a= ll > functionality of driver and 8 introduces tracepoints. > The patch 9: Adds cdns3 prefixes to files related with USBSS driver. > the patch 10: Adds USBSSP DRD IP driver entry to MAINTAINERS file. Pawel, there are several issues are reported for this patch set after I add it to my -next tree, and the merge windows is near. I drop this set for v5.11-rc1, but keep it at my -next tree. Peter >=20 > Changlog from v4: > - fixed bug in cdns3_plat_runtime_resume as suggested by Peter Chen > - fixed bug in cdns3_plat_suspend as suggested by Peter Chen > - some typos have been removed >=20 > Changlog from v3: > - added 'T' to MAINTAINERS file for CDNSP entry > - updated common code with latest cdns3 fixes >=20 > Changlog from v2: > - removed not used pdev parameter from cdnsp_read/wite_64 functions > - fixed incorrect value assigned to CDNSP_ENDPOINTS_NUM (32 -> 31) > - replaced some constant value with CDNSP_ENDPOINTS_NUM macro > - replaced 'true' with '1' in bits description in cdnsp-gadget.h file > - fixed some typos > - some other less important changes suggested by Peter Chen >=20 > Changlog from v1: > - updated common code to latest cdns3 driver > - moved cdnsp driver files to cdns3 as suggested by Peter Chen > - removed duplicate code from cdnsp_ep0_set_config function > - added cdns3 prefixes to file related with USBSS driver > - updated MAINTAINERS file > - fixed issue with U1 > - fixed issue with L1 > - some less improtant changes suggested by Chunfeng Yun > --- >=20 > Pawel Laszczak (10): > usb: cdns3: Add support for DRD CDNSP > usb: cdns3: Split core.c into cdns3-plat and core.c file > usb: cdns3: Moves reusable code to separate module > usb: cdns3: Refactoring names in reusable code > usb: cdns3: Changed type of gadget_dev in cdns structure > usb: cdnsp: Device side header file for CDNSP driver > usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver > usb: cdnsp: Add tracepoints for CDNSP driver > usb: cdns3: Change file names for cdns3 driver. > MAINTAINERS: add Cadence USBSSP DRD IP driver entry >=20 > MAINTAINERS | 9 + > drivers/usb/Makefile | 2 + > drivers/usb/cdns3/Kconfig | 61 +- > drivers/usb/cdns3/Makefile | 30 +- > drivers/usb/cdns3/{debug.h =3D> cdns3-debug.h} | 0 > drivers/usb/cdns3/{ep0.c =3D> cdns3-ep0.c} | 4 +- > .../usb/cdns3/{gadget.c =3D> cdns3-gadget.c} | 28 +- > .../usb/cdns3/{gadget.h =3D> cdns3-gadget.h} | 0 > drivers/usb/cdns3/cdns3-imx.c | 2 +- > drivers/usb/cdns3/cdns3-plat.c | 315 +++ > drivers/usb/cdns3/{trace.c =3D> cdns3-trace.c} | 2 +- > drivers/usb/cdns3/{trace.h =3D> cdns3-trace.h} | 6 +- > drivers/usb/cdns3/cdnsp-debug.h | 583 ++++ > drivers/usb/cdns3/cdnsp-ep0.c | 495 ++++ > drivers/usb/cdns3/cdnsp-gadget.c | 2017 ++++++++++++++ > drivers/usb/cdns3/cdnsp-gadget.h | 1600 +++++++++++ > drivers/usb/cdns3/cdnsp-mem.c | 1325 +++++++++ > drivers/usb/cdns3/cdnsp-pci.c | 255 ++ > drivers/usb/cdns3/cdnsp-ring.c | 2439 +++++++++++++++++ > drivers/usb/cdns3/cdnsp-trace.c | 12 + > drivers/usb/cdns3/cdnsp-trace.h | 840 ++++++ > drivers/usb/cdns3/core.c | 455 +-- > drivers/usb/cdns3/core.h | 54 +- > drivers/usb/cdns3/drd.c | 222 +- > drivers/usb/cdns3/drd.h | 94 +- > drivers/usb/cdns3/gadget-export.h | 22 +- > drivers/usb/cdns3/host-export.h | 13 +- > drivers/usb/cdns3/host.c | 22 +- > 28 files changed, 10400 insertions(+), 507 deletions(-) > rename drivers/usb/cdns3/{debug.h =3D> cdns3-debug.h} (100%) > rename drivers/usb/cdns3/{ep0.c =3D> cdns3-ep0.c} (99%) > rename drivers/usb/cdns3/{gadget.c =3D> cdns3-gadget.c} (99%) > rename drivers/usb/cdns3/{gadget.h =3D> cdns3-gadget.h} (100%) > create mode 100644 drivers/usb/cdns3/cdns3-plat.c > rename drivers/usb/cdns3/{trace.c =3D> cdns3-trace.c} (89%) > rename drivers/usb/cdns3/{trace.h =3D> cdns3-trace.h} (99%) > create mode 100644 drivers/usb/cdns3/cdnsp-debug.h > create mode 100644 drivers/usb/cdns3/cdnsp-ep0.c > create mode 100644 drivers/usb/cdns3/cdnsp-gadget.c > create mode 100644 drivers/usb/cdns3/cdnsp-gadget.h > create mode 100644 drivers/usb/cdns3/cdnsp-mem.c > create mode 100644 drivers/usb/cdns3/cdnsp-pci.c > create mode 100644 drivers/usb/cdns3/cdnsp-ring.c > create mode 100644 drivers/usb/cdns3/cdnsp-trace.c > create mode 100644 drivers/usb/cdns3/cdnsp-trace.h >=20 > --=20 > 2.17.1 >=20 --=20 Thanks, Peter Chen=