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Mon, 25 Jun 2018 08:45:44 -0700 (PDT) Received: from DE02WEHTCB.internal.synopsys.com (10.225.19.94) by US01WXQAHTC1.internal.synopsys.com (10.12.238.230) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 25 Jun 2018 08:45:44 -0700 Received: from DE02WEMBXB.internal.synopsys.com ([fe80::95ce:118a:8321:a099]) by DE02WEHTCB.internal.synopsys.com ([::1]) with mapi id 14.03.0361.001; Mon, 25 Jun 2018 17:45:41 +0200 From: Alexey Brodkin To: Eugeniy Paltsev , "hch@lst.de" CC: "linux-kernel@vger.kernel.org" , "linux-arch@vger.kernel.org" , Vineet Gupta , "linux-snps-arc@lists.infradead.org" Subject: Re: [RFC] ARC: allow to use IOC and non-IOC DMA devices simultaneously Thread-Topic: [RFC] ARC: allow to use IOC and non-IOC DMA devices simultaneously Thread-Index: AQHUBKiNKzhGZzesPUyAsKt+FXE7PaRmg2uAgAW8xACABMwZAA== Date: Mon, 25 Jun 2018 15:45:40 +0000 Message-ID: <456ab2264aa42d575e7ca5d28d34466aea082f14.camel@synopsys.com> References: <20180615125819.527-1-Eugeniy.Paltsev@synopsys.com> <563bd0ab-e40c-f9ad-4e9c-dbf5b13358b5@synopsys.com> <1529677805.31605.28.camel@synopsys.com> In-Reply-To: <1529677805.31605.28.camel@synopsys.com> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.9.128.69] Content-Type: text/plain; charset="utf-8" Content-ID: <46EF566A114CC7499888C8D82F3672F4@internal.synopsys.com> 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 SGkgRXVnZW5peSwNCg0KT24gRnJpLCAyMDE4LTA2LTIyIGF0IDE2OjMwICswMjAwLCBFdWdlbml5 IFBhbHRzZXYgd3JvdGU6DQo+IEhpIFZpbmVldCwgQ2hyaXN0b3BoLA0KPiB0aGFua3MgZm9yIHJl c3BvbmRpbmcuDQoNCltzbmlwXQ0KDQo+ID4gPiAoQlRXOiBjdXJyZW50IEFSQyBkbWFfbm9uY29o ZXJlbnRfb3BzIGltcGxlbWVudGF0aW9uIGFsc28gaGFzIHNhbWUNCj4gPiA+IHByb2JsZW0gaWYg SU9DIGFuZCBISUdITUVNIGFyZSBlbmFibGVkLikNCj4gPiANCj4gPiBDYW4gd2UgaGlnaGxpZ2h0 IHRoaXMgZmFjdCwgYWRkIGVycm9yIHByaW50cyBzb21ld2hlcmUgPw0KPiANCj4gVGhlIGVhc2ll c3Qgc29sdXRpb24gaXMgdG8gcGFuaWMgaWYgYm90aCBJT0MgYW5kIFpPTkVfSElHSE1FTSBlbmFi bGVkLg0KDQpJIGRvbid0IHRoaW5rIGl0J3MgdGhlIGJlc3QgaWRlYSAtIEkgd291bGQgZXhwZWN0 IHRvIGdldCBQQUU0MCBlbmFibGVkDQpieSBkZWZhdWx0IG9yIGF0IGxlYXN0IHRvIGJlIHVzZWQg cXVpdGUgb2Z0ZW4gb24gYm90aCBBWFMxMDMgYW5kIEhTREsNCmFuZCBzbyByZXN0cmljdGluZyB1 c2FnZSBvZiBJT0Mgb24gc3VjaCBjb25maWd1cmF0aW9ucyB3aWxsIGJlIHF1aXRlDQpjb25mdXNp bmcuDQoNClRoYXQgc2FpZCB3ZSBuZWVkIHRvIGZpZ3VyZSBvdXQgaG93IHRvIGdldCBJT0MgKyBI SUdITUVNL1BBRSB3b3JraW5nDQpyZWxpYWJseSBpZiB0aGF0J3MgcG9zc2libGUgYXQgYWxsLg0K DQpDaHJpc3RvcGgsIGRvIHlvdSB0aGluayBpZiB0aGlzIGlzIGRvYWJsZT8NClRoZSBtYWluIGNv bmNlcm4gaGVyZSBpczogc29tZSByYW5kb20gZGF0YSBidWZmZXIgbWlnaHQgYmUgYWxsb2NhdGVk DQppbiBhbnkgYXZhaWxhYmxlIG1lbW9yeSBbYW5kIGluIEhJR0hNRU0vUEFFIGlmIGl0IGV4aXN0 cyBlc3NlbnRpYWxseV0gYW5kDQp3aGVuIGl0IGNvbWVzIHRvIERNQSBleGNoYW5nZSB0aGF0IGlu dm9sdmVzIHRoYXQgYnVmZmVyIHdoYXQgc2hvdWxkIHdlIGRvPw0KDQpUaGUgb25seSB0aGluZyBJ IG1heSB0aGluayBvZiBjb3VsZCBiZSBhIGJvdW5jZS1idWZmZXIgaW4gWk9ORV9OT1JNQUwuDQpJ cyBpdCB1c2VkIGJ5IGFueWJvZHk/IEFyZSB0aGVyZSBhbnkgYmV0dGVyIGlkZWFzPyANCg0KLUFs ZXhleQ==