From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Gong Subject: Re: [PATCH v5 0/7] add virt-dma support for imx-sdma Date: Mon, 2 Jul 2018 02:32:05 +0000 Message-ID: <1530527489.15665.22.camel@nxp.com> References: <1529427424-12321-1-git-send-email-yibin.gong@nxp.com> <1530025442.9910.44.camel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1530025442.9910.44.camel@pengutronix.de> Content-Language: en-US Content-ID: <0BECDD57B9DFA645AD0B258DF54ACD41@eurprd04.prod.outlook.com> Sender: linux-kernel-owner@vger.kernel.org To: "l.stach@pengutronix.de" , "s.hauer@pengutronix.de" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "gregkh@linuxfoundation.org" , "jslaby@suse.com" Cc: "linux-serial@vger.kernel.org" , "dmaengine@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , dl-linux-imx List-Id: linux-serial@vger.kernel.org SGkgVmlub2QsDQoJRG8geW91IGhhdmUgYW55IGNvbW1lbnQgZm9yIHRoaXMgcGF0Y2hzZXQ/IEx1 Y2FzIGFuZCBTYXNjaGENCmFja2VkIGl0IGFuZCB0dHkgcGF0Y2ggYWxyZWFkeSBtZXJnZWQgaW4u DQoNCk9uIOS6jCwgMjAxOC0wNi0yNiBhdCAxNzowNCArMDIwMCwgTHVjYXMgU3RhY2ggd3JvdGU6 DQo+IEhpIFJvYmluLA0KPiANCj4gSSd2ZSB0ZXN0ZWQgdGhpcyB3aG9sZSBzZXJpZXMgd2l0aCB0 aGUgU0RNQSBiZWluZyB1c2VkIGZvciBTUEksIFVBUlQNCj4gYW5kIFNTSSB3aXRoIG5vIHJlZ3Jl c3Npb25zIHNwb3R0ZWQuIEFzIHRoaXMgc2hvdWxkIGNvdmVyIG1vc3QgY29tbW9uDQo+IHVzZS1j YXNlcywgSSB0aGluayB0aGlzIHNlcmllcyBpcyBnb29kIHRvIGdvIGluLg0KPiANCj4gVGVzdGVk LWJ5OiBMdWNhcyBTdGFjaCA8bC5zdGFjaEBwZW5ndXRyb25peC5kZT4NCj4gDQo+IFJlZ2FyZHMs DQo+IEx1Y2FzDQo+IA0KPiBBbSBNaXR0d29jaCwgZGVuIDIwLjA2LjIwMTgsIDAwOjU2ICswODAw IHNjaHJpZWIgUm9iaW4gR29uZzoNCj4gPiANCj4gPiBUaGUgbGVnYWN5IHNkbWEgZHJpdmVyIGhh cyBiZWxvdyBsaW1pdGF0aW9ucyBvciBkcmF3YmFja3M6DQo+ID4gwqAgMS4gSGFyZGNvZGUgdGhl IG1heCBCRHMgbnVtYmVyIGFzICJQQUdFX1NJWkUgLyBzaXplb2YoKikiLCBhbmQNCj4gPiBhbGxv Yw0KPiA+IMKgwqDCoMKgwqBvbmUgcGFnZSBzaXplIGZvciBvbmUgY2hhbm5lbCByZWdhcmRsZXNz IG9mIG9ubHkgZmV3IEJEcw0KPiA+IG5lZWRlZA0KPiA+IMKgwqDCoMKgwqBtb3N0IHRpbWUuIEJ1 dCBpbiBmZXcgY2FzZXMsIHRoZSBtYXggUEFHRV9TSVpFIG1heWJlIG5vdA0KPiA+IGVub3VnaC4N Cj4gPiDCoCAyLiBPbmUgU0RNQSBjaGFubmVsIGNhbid0IHN0b3AgaW1tZWRpYXRsZXkgb25jZSBj aGFubmVsIGRpc2FibGVkDQo+ID4gd2hpY2gNCj4gPiDCoMKgwqDCoMKgbWVhbnMgU0RNQSBpbnRl cnJ1cHQgbWF5IGNvbWUgaW4gYWZ0ZXIgdGhpcyBjaGFubmVsDQo+ID4gdGVybWluYXRlZC5UaGVy ZQ0KPiA+IMKgwqDCoMKgwqBhcmUgc29tZSBwYXRjaGVzIGZvciB0aGlzIGNvcm5lciBjYXNlIHN1 Y2ggYXMgY29tbWl0DQo+ID4gIjI3NDZlMmMzODlmOSIsDQo+ID4gwqDCoMKgwqDCoGJ1dCBub3Qg Y292ZXIgbm9uLWN5Y2xpYy4NCj4gPiANCj4gPiBUaGUgY29tbW9uIHZpcnQtZG1hIG92ZXJjb21l cyB0aGUgYWJvdmUgbGltaXRhdGlvbnMuIEl0IGNhbiBhbGxvYw0KPiA+IGJkDQo+ID4gZHluYW1p Y2FsbHkgYW5kIGZyZWUgYmQgb25jZSB0aGlzIHR4IHRyYW5zZmVyIGRvbmUuIE5vIG1lbW9yeQ0K PiA+IHdhc3RlZCBvcg0KPiA+IG1heGltdW0gbGltaXRpdGF0aW9uIGhlcmUsIG9ubHkgZGVwZW5k cyBvbiBob3cgbWFueSBtZW1vcnkgY2FuIGJlDQo+ID4gcmVxdWVzdGVkDQo+ID4gZnJvbSBrZXJu ZWwuIEZvciBOby4yLCBzdWNoIGlzc3VlIGNhbiBiZSB3b3JrYXJvdW5kIGJ5IGNoZWNraW5nIGlm DQo+ID4gdGhlcmUNCj4gPiBpcyBhdmFpbGFibGUgZGVzY3JpcHQoInNkbWFjLT5kZXNjIikgbm93 IG9uY2UgdGhlIHVud2FudGVkDQo+ID4gaW50ZXJydXB0DQo+ID4gY29taW5nLiBBdCBsYXN0IHRo ZSBjb21tb24gdmlydC1kbWEgaXMgZWFzaWVyIGZvciBzZG1hIGRyaXZlcg0KPiA+IG1haW50YWlu Lg0KPiA+IA0KPiA+IENoYW5nZSBmcm9tIHY0Og0KPiA+IMKgIDEuIGlkZW50aWZ5IGxvY2tkZXAg aXNzdWUgd2hpY2ggY2F1c2VkIGJ5IGFsbG9jYXRlIG1lbW9yeSB3aXRoDQo+ID4gwqDCoMKgwqDC oCdHRlBfS0VSTkVMJywgY2hhbmdlIHRvICdHRlBfTk9XQUlUJyBpbnN0ZWFkIHNvIHRoYXQgbG9j a2RlcA0KPiA+IMKgwqDCoMKgwqBpZ25vcmUgY2hlY2suIFRoYXQgYWxzbyBtYWtlIHNlbnNlIHNp bmNlIEF1ZGlvL3VhcnQgZHJpdmVyIG1heQ0KPiA+IMKgwqDCoMKgwqBjYWxsIGRtYSBmdW5jdGlv biBhZnRlciBzcGluX2xvY2tfaXJxc2F2ZSgpLi4uDQo+ID4gwqAgMi4gdXNlIGRtYSBwb29sIGlu c3RlYWQgZm9yIGJkIGRlc2NyaXB0aW9uIGFsbG9jYXRlZCxzaW5jZSBhdWRpbw0KPiA+IMKgwqDC oMKgwqBkcml2ZXIgbWF5IGNhbGwgZG1hX3Rlcm1pbmF0ZV9hbGwgaW4gaXJxLiBQbGVhc2UgcmVm ZXIgdG8gNy83Lg0KPiA+IMKgIDMuIHJlbW92ZSA3Lzcgc2VyaWFsIHBhdGNoIGluIHY0LCBzaW5j ZSBsb2NrZGVwIGlzc3VlZCBmaXhlZCBieQ0KPiA+IE5vLjHCoA0KPiA+IA0KPiA+IENoYW5nZSBm cm9tIHYzOg0KPiA+IMKgIDEuIGFkZCB0d28gdWFydCBwYXRjaGVzIHdoaWNoIGltcGFjdGVkIGJ5 IHRoaXMgcGF0Y2hzZXQuDQo+ID4gwqAgMi4gdW5sb2NrICd2Yy5sb2NrJyBiZWZvcmUgY3ljbGlj IGRtYSBjYWxsYmFjayBhbmQgbG9jayBhZ2Fpbg0KPiA+IGFmdGVyDQo+ID4gwqDCoMKgwqDCoGl0 IGJlY2F1c2Ugc29tZSBkcml2ZXIgc3VjaCBhcyB1YXJ0IHdpbGwgY2FsbA0KPiA+IGRtYWVuZ2lu ZV90eF9zdGF0dXMNCj4gPiDCoMKgwqDCoMKgd2hpY2ggd2lsbCBhY3F1aXJlICd2Yy5sb2NrJyBh Z2FpbiBhbmQgZGVhZCBsb2NrIGNvbWVzIG91dC4NCj4gPiDCoCAzLiByZW1vdmUgJ1JldmVydCBj b21taXQnIHN0dWZmIHNpbmNlIHRoYXQgcGF0Y2ggaXMgbm90IHdyb25nIGFuZA0KPiA+IMKgwqDC oMKgwqBjb21iaW5lIHR3byBwYXRjaCBpbnRvIG9uZSBwYXRjaCBhcyBTYXNjaGEncyBjb21tZW50 Lg0KPiA+IA0KPiA+IENoYW5nZSBmcm9tIHYyOg0KPiA+IMKgIDEuIGluY2x1ZGUgU2FzY2hhJ3Mg cGF0Y2ggdG8gbWFrZSB0aGUgbWFpbiBwYXRjaCBlYXNpZXIgdG8NCj4gPiByZXZpZXcuDQo+ID4g wqDCoMKgwqDCoFRoYW5rcyBTYWNoYS4NCj4gPiDCoCAyLiByZW1vdmUgdXNlbGVzcyAnZGVzYycv J2NoYW4nIGluIHN0cnVjdCBzZG1hX2NoYW5uZS4NCj4gPiANCj4gPiBDaGFuZ2UgZnJvbSB2MToN Cj4gPiDCoCAxLiBzcGxpdCB2MSBwYXRjaCBpbnRvIDUgcGF0Y2hlcy4NCj4gPiDCoCAyLiByZW1v dmUgc29tZSB1bm5lY2Vzc2FyeSBjb25kaXRpb24gY2hlY2suDQo+ID4gwqAgMy4gcmVtb3ZlIHVu bmVjZXNzYXJ5ICdwZW5kaW5nJyBsaXN0Lg0KPiA+IA0KPiA+IFJvYmluIEdvbmcgKDYpOg0KPiA+ IMKgIHR0eTogc2VyaWFsOiBpbXg6IGNvcnJlY3QgZG1hIGNvb2tpZSBzdGF0dXMNCj4gPiDCoCBk bWFlbmdpbmU6IGlteC1zZG1hOiBhZGQgdmlydC1kbWEgc3VwcG9ydA0KPiA+IMKgIGRtYWVuZ2lu ZTogaW14LXNkbWE6IHJlbW92ZSB1c2VsZXNzICdsb2NrJyBhbmQgJ2VuYWJsZWQnIGluDQo+ID4g J3N0cnVjdA0KPiA+IMKgwqDCoMKgc2RtYV9jaGFubmVsJw0KPiA+IMKgIGRtYWVuZ2luZTogaW14 LXNkbWE6IHJlbW92ZSB0aGUgbWF4aW11bSBsaW1pdGF0aW9uIGZvciBiZCBudW1iZXJzDQo+ID4g wqAgZG1hZW5naW5lOiBpbXgtc2RtYTogYWRkIHNkbWFfdHJhbnNmZXJfaW5pdCB0byBkZWNyZWFz ZSBjb2RlDQo+ID4gb3ZlcmxhcA0KPiA+IMKgIGRtYWVuZ2luZTogaW14LXNkbWE6IGFsbG9jbGF0 ZSBiZCBtZW1vcnkgZnJvbSBkbWEgcG9vbA0KPiA+IA0KPiA+IFNhc2NoYSBIYXVlciAoMSk6DQo+ ID4gwqAgZG1hZW5naW5lOiBpbXgtc2RtYTogZmFjdG9yIG91dCBhIHN0cnVjdCBzZG1hX2Rlc2Mg ZnJvbSBzdHJ1Y3QNCj4gPiDCoMKgwqDCoHNkbWFfY2hhbm5lbA0KPiA+IA0KPiA+IMKgZHJpdmVy cy9kbWEvS2NvbmZpZ8KgwqDCoMKgwqDCoHzCoMKgwqAxICsNCj4gPiDCoGRyaXZlcnMvZG1hL2lt eC1zZG1hLmPCoMKgwqB8IDQwMCArKysrKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0NCj4g PiAtLS0tLS0tLS0tLS0tLQ0KPiA+IMKgZHJpdmVycy90dHkvc2VyaWFsL2lteC5jIHzCoMKgwqAy ICstDQo+ID4gwqAzIGZpbGVzIGNoYW5nZWQsIDIzNSBpbnNlcnRpb25zKCspLCAxNjggZGVsZXRp b25zKC0pDQo+ID4g