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Fri, 24 Apr 2020 06:00:55 +0000 From: Yoshihiro Shimoda To: Prabhakar Mahadev Lad , Kishon Vijay Abraham I , Lorenzo Pieralisi , Bjorn Helgaas , Rob Herring , Andrew Murray , Tom Joseph , Jingoo Han , Gustavo Pimentel , Marek Vasut , Shawn Lin , Heiko Stuebner CC: Geert Uytterhoeven , "linux-pci@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-rockchip@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" , Lad Prabhakar , Prabhakar Mahadev Lad Subject: RE: [PATCH v9 5/8] PCI: endpoint: Add support to handle multiple base for mapping outbound memory Thread-Topic: [PATCH v9 5/8] PCI: endpoint: Add support to handle multiple base for mapping outbound memory Thread-Index: AQHWGZzF+cKabKHIWkeGz+yNhrFZUKiHx8vQ Date: Fri, 24 Apr 2020 06:00:54 +0000 Message-ID: References: <1587666159-6035-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> <1587666159-6035-6-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: <1587666159-6035-6-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=yoshihiro.shimoda.uh@renesas.com; 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x-microsoft-antispam-message-info: scKlVwxNmZz8gmL/XNFYG9f+k3/DSvlQuvIM/lLvTnhpiHDWRjm+up3uU9V6uG2jEqwtNBSSe//LLJIHnzab0N0/x0i/qfosTg81GOxXvyaGcDRwu+HeUoy1rlhitPXLprhW2IOqdscr3PZUiO78/yCtPNiKyuThBn+Ryd8O79yFW8GCS2ta8pYzC9ZYovHHsfJ5vyE6EU90bCrg79eTTkglcciiCo5BrFFF2WTUn5y9c3GohOVbenURAUaPgv/wKT/iQiiMPbMmDVh31QH/d7r2sipg2FveWCOBjRED4IoJq1VG/HWmRCcVALAYKZJh1HE0P1w6tLd9HEPzTFtDDTKSQl+TyLP4Y+5pJ+muS88vyukwSv3YeDKIfRYBzjduMS5jwGEO2TiIxxrSJ9HXR90ciHv3O2ENa6aTb1kAl4UyQn4/KSs9mndu0H8kTTv3mPVGSZ47JzvD0qbwFDgV0Qv0MQeMHrDOM8yUsaDKZBw= x-ms-exchange-antispam-messagedata: KKHXrCBdgsGDevSr/AlEJ8cPmLsR0VZoQud8SZsGbkvL4IWEpwukplUA7LQc8NMsKgXEAVEuuEtiQ11fHOLyMi4cptANaJ5n+A6Cy+lrgeu/+e2ihJY49IfZoSjNdwOk+m74gFDzxJ3CfXOAaOdbag== Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-Network-Message-Id: 435d2937-ad98-4854-f66f-08d7e814d9fb X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Apr 2020 06:00:54.8673 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tzqqeabqdOQ4k++kSWt6Z7f82tDMuExTyc/SHplOzi/YDfT/NAsQvqH2/zsj0CmB2gDSSEqUA79OGNPOSG1jrua2mWdPNqahCdUHpw1LGXV4H7XnSQrrjvAxSDO3Ehvn X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYAPR01MB5340 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Prabhakar-san, > From: Lad Prabhakar, Sent: Friday, April 24, 2020 3:23 AM >=20 > R-Car PCIe controller has support to map multiple memory regions for > mapping the outbound memory in local system also the controller limits > single allocation for each region (that is, once a chunk is used from the > region it cannot be used to allocate a new one). This features inspires t= o > add support for handling multiple memory bases in endpoint framework. >=20 > With this patch pci_epc_mem_init() initializes address space for endpoint > controller which support single window and pci_epc_multi_mem_init() > initializes multiple windows supported by endpoint controller. >=20 > Signed-off-by: Lad Prabhakar Thank you for the patch! Reviewed-by: Yoshihiro Shimoda Best regards, Yoshihiro Shimoda