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Fri, 31 Jul 2020 12:10:47 +1200 Received: from svr-chch-ex1.atlnz.lc ([fe80::409d:36f5:8899:92e8]) by svr-chch-ex1.atlnz.lc ([fe80::409d:36f5:8899:92e8%12]) with mapi id 15.00.1497.006; Fri, 31 Jul 2020 12:10:47 +1200 From: Chris Packham To: "robh+dt@kernel.org" , "frowand.list@gmail.com" , "mpe@ellerman.id.au" , "benh@kernel.crashing.org" , "paulus@samba.org" , "christophe.leroy@c-s.fr" CC: "linuxppc-dev@lists.ozlabs.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: OF: Can't handle multiple dma-ranges with different offsets Thread-Topic: OF: Can't handle multiple dma-ranges with different offsets Thread-Index: AQHWX99COSKGYTheAUmvWcrnzVaQa6kTYRWAgAy0FoA= Date: Fri, 31 Jul 2020 00:10:47 +0000 Message-ID: <0fc927d8-2610-3948-fe15-7a7a38be2ccf@alliedtelesis.co.nz> References: <5cb3aaa7-e05e-5fbc-db42-60e07acdaf05@alliedtelesis.co.nz> <961bc990-c815-1a19-c349-8b03065d5aab@alliedtelesis.co.nz> In-Reply-To: <961bc990-c815-1a19-c349-8b03065d5aab@alliedtelesis.co.nz> Accept-Language: en-NZ, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.32.1.11] Content-Type: text/plain; charset="utf-8" Content-ID: <23755236B4410A4A8453EBD9327E9135@atlnz.lc> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQpPbiAyMy8wNy8yMCAxMDoxMSBhbSwgQ2hyaXMgUGFja2hhbSB3cm90ZToNCj4NCj4gT24gMjIv MDcvMjAgNDoxOSBwbSwgQ2hyaXMgUGFja2hhbSB3cm90ZToNCj4+IEhpLA0KPj4NCj4+IEkndmUg anVzdCBmaXJlZCB1cCBsaW51eCBrZXJuZWwgdjUuNyBvbiBhIHAyMDQwIGJhc2VkIHN5c3RlbSBh bmQgSSdtIA0KPj4gZ2V0dGluZyB0aGUgZm9sbG93aW5nIG5ldyB3YXJuaW5nDQo+Pg0KPj4gT0Y6 IENhbid0IGhhbmRsZSBtdWx0aXBsZSBkbWEtcmFuZ2VzIHdpdGggZGlmZmVyZW50IG9mZnNldHMg b24gDQo+PiBub2RlKC9wY2llQGZmZTIwMjAwMCkNCj4+IE9GOiBDYW4ndCBoYW5kbGUgbXVsdGlw bGUgZG1hLXJhbmdlcyB3aXRoIGRpZmZlcmVudCBvZmZzZXRzIG9uIA0KPj4gbm9kZSgvcGNpZUBm ZmUyMDIwMDApDQo+Pg0KPj4gVGhlIHdhcm5pbmcgaXRzZWxmIHdhcyBhZGRlZCBpbiBjb21taXQg OWQ1NWJlYmQ5ODE2ICgib2YvYWRkcmVzczogDQo+PiBTdXBwb3J0IG11bHRpcGxlICdkbWEtcmFu Z2VzJyBlbnRyaWVzIikgYnV0IEkgZ2F0aGVyIGl0J3MgcG9pbnRpbmcgDQo+PiBvdXQgc29tZXRo aW5nIGFib3V0IHRoZSBkdHMuIE15IGJvYXJkcyBkdHMgaXMgYmFzZWQgaGVhdmlseSBvbiANCj4+ IHAyMDQxcmRiLmR0cyBhbmQgdGhlIHJlbGV2YW50IHBjaTIgc2VjdGlvbiBpcyBpZGVudGljYWwg KHJlcHJvZHVjZWQgDQo+PiBiZWxvdyBmb3IgcmVmZXJlbmNlKS4NCj4+DQo+PiDCoMKgwqAgcGNp MjogcGNpZUBmZmUyMDIwMDAgew0KPj4gwqDCoMKgIMKgwqDCoCByZWcgPSA8MHhmIDB4ZmUyMDIw MDAgMCAweDEwMDA+Ow0KPj4gwqDCoMKgIMKgwqDCoCByYW5nZXMgPSA8MHgwMjAwMDAwMCAwIDB4 ZTAwMDAwMDAgMHhjIDB4NDAwMDAwMDAgMCAweDIwMDAwMDAwDQo+PiDCoMKgwqAgwqDCoMKgIMKg wqDCoCDCoCAweDAxMDAwMDAwIDAgMHgwMDAwMDAwMCAweGYgMHhmODAyMDAwMCAwIDB4MDAwMTAw MDA+Ow0KPj4gwqDCoMKgIMKgwqDCoCBwY2llQDAgew0KPj4gwqDCoMKgIMKgwqDCoCDCoMKgwqAg cmFuZ2VzID0gPDB4MDIwMDAwMDAgMCAweGUwMDAwMDAwDQo+PiDCoMKgwqAgwqDCoMKgIMKgwqDC oCDCoMKgwqAgwqAgMHgwMjAwMDAwMCAwIDB4ZTAwMDAwMDANCj4+IMKgwqDCoCDCoMKgwqAgwqDC oMKgIMKgwqDCoCDCoCAwIDB4MjAwMDAwMDANCj4+DQo+PiDCoMKgwqAgwqDCoMKgIMKgwqDCoCDC oMKgwqAgwqAgMHgwMTAwMDAwMCAwIDB4MDAwMDAwMDANCj4+IMKgwqDCoCDCoMKgwqAgwqDCoMKg IMKgwqDCoCDCoCAweDAxMDAwMDAwIDAgMHgwMDAwMDAwMA0KPj4gwqDCoMKgIMKgwqDCoCDCoMKg wqAgwqDCoMKgIMKgIDAgMHgwMDAxMDAwMD47DQo+PiDCoMKgwqAgwqDCoMKgIH07DQo+PiDCoMKg wqAgfTsNCj4+DQo+PiBJIGhhdmVuJ3Qgbm90aWNlZCBhbnkgaWxsIGVmZmVjdCAoYXNpZGUgZnJv bSB0aGUgc2NhcnkgbWVzc2FnZSkuIEknbSANCj4+IG5vdCBzdXJlIGlmIHRoZXJlJ3Mgc29tZXRo aW5nIG1pc3NpbmcgaW4gdGhlIGR0cyBvciBpbiB0aGUgY29kZSB0aGF0IA0KPj4gY2hlY2tzIHRo ZSByYW5nZXMuIEFueSBndWlkYW5jZSB3b3VsZCBiZSBhcHByZWNpYXRlZC4NCj4NCj4gSSd2ZSBh bHNvIGp1c3QgY2hlY2tlZCB0aGUgVDIwODBSREIgb24gdjUuNy45IHdoaWNoIHNob3dzIGEgc2lt aWxhciBpc3N1ZQ0KPg0KPiBPRjogQ2FuJ3QgaGFuZGxlIG11bHRpcGxlIGRtYS1yYW5nZXMgd2l0 aCBkaWZmZXJlbnQgb2Zmc2V0cyBvbiANCj4gbm9kZSgvcGNpZUBmZmUyNTAwMDApDQo+IE9GOiBD YW4ndCBoYW5kbGUgbXVsdGlwbGUgZG1hLXJhbmdlcyB3aXRoIGRpZmZlcmVudCBvZmZzZXRzIG9u IA0KPiBub2RlKC9wY2llQGZmZTI1MDAwMCkNCj4gcGNpZXBvcnQgMDAwMDowMDowMC4wOiBJbnZh bGlkIHNpemUgMHhmZmZmZjkgZm9yIGRtYS1yYW5nZQ0KPiBwY2llcG9ydCAwMDAwOjAwOjAwLjA6 IEFFUjogZW5hYmxlZCB3aXRoIElSUSAyMQ0KPiBPRjogQ2FuJ3QgaGFuZGxlIG11bHRpcGxlIGRt YS1yYW5nZXMgd2l0aCBkaWZmZXJlbnQgb2Zmc2V0cyBvbiANCj4gbm9kZSgvcGNpZUBmZmUyNzAw MDApDQo+IE9GOiBDYW4ndCBoYW5kbGUgbXVsdGlwbGUgZG1hLXJhbmdlcyB3aXRoIGRpZmZlcmVu dCBvZmZzZXRzIG9uIA0KPiBub2RlKC9wY2llQGZmZTI3MDAwMCkNCj4gcGNpZXBvcnQgMDAwMTow MDowMC4wOiBJbnZhbGlkIHNpemUgMHhmZmZmZjkgZm9yIGRtYS1yYW5nZQ0KPiBwY2llcG9ydCAw MDAxOjAwOjAwLjA6IEFFUjogZW5hYmxlZCB3aXRoIElSUSAyMw0KDQpJJ3ZlIGJlZW4gZG9pbmcg YSBiaXQgbW9yZSBkaWdnaW5nLiBUaGUgZG1hLXJhbmdlcyBwcm9wZXJ0eSBpcyBub3QgaW4gDQp0 aGUgZHRzL2R0Yi4gSXQncyBhY3R1YWxseSBpbnNlcnRlZCBieSB1LWJvb3QgdmlhIGZ0X2ZzbF9w Y2lfc2V0dXAoKS4NCg0KSGVyZSdzIHNvbWUgb3V0cHV0IGZyb20gbXkgVDIwODBSREINCg0Kcm9v dEBsaW51eGJveCB+XSMgeHhkIC1nNCANCi9zeXMvZmlybXdhcmUvZGV2aWNldHJlZS9iYXNlL3Bj aWVAZmZlMjQwMDAwL2RtYS1yYW5nZXMNCjAwMDAwMDA6IDAyMDAwMDAwIDAwMDAwMDAwIGRmMDAw MDA3IDAwMDAwMDBmwqAgLi4uLi4uLi4uLi4uLi4uLg0KMDAwMDAxMDogZmUwMDAwMDAgMDAwMDAw MDAgMDBmZmZmZjkgNDIwMDAwMDDCoCAuLi4uLi4uLi4uLi5CLi4uDQowMDAwMDIwOiAwMDAwMDAw MCAwMDAwMDAwMCAwMDAwMDAwMCAwMDAwMDAwMMKgIC4uLi4uLi4uLi4uLi4uLi4NCjAwMDAwMzA6 IDAwMDAwMDAwIGRmMDAwMDA3IDQzMDAwMDAwIDAwMDAwMDEwwqAgLi4uLi4uLi5DLi4uLi4uLg0K MDAwMDA0MDogMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDHCoCAuLi4uLi4uLi4u Li4uLi4uDQowMDAwMDUwOiAwMDAwMDAwMMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIC4uLi4NCg0KSSdtIHN0aWxsIHdvbmRlcmluZyBob3cg YmVzdCB0byBkZWFsIHdpdGggdGhpcy4gSG9wZWZ1bGx5IHdpdGhvdXQgDQpuZWVkaW5nIHRvIGRl cGxveSBhIHUtYm9vdCB1cGRhdGUuDQo=