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Wed, 1 Jul 2020 17:01:47 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 1 Jul 2020 17:01:48 +0800 Message-ID: <1593594109.26931.2.camel@mtkswgap22> Subject: Re: [PATCH v5 3/4] dmaengine: mediatek-cqdma: add dma mask for capability From: EastL To: Matthias Brugger CC: Sean Wang , , , , , , , , , Date: Wed, 1 Jul 2020 17:01:49 +0800 In-Reply-To: <54703443-fb01-5aa2-089c-5c7616404b7a@gmail.com> References: <1592553902-30592-1-git-send-email-EastL.Lee@mediatek.com> <1592553902-30592-4-git-send-email-EastL.Lee@mediatek.com> <54703443-fb01-5aa2-089c-5c7616404b7a@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org T24gRnJpLCAyMDIwLTA2LTE5IGF0IDExOjM5ICswMjAwLCBNYXR0aGlhcyBCcnVnZ2VyIHdyb3Rl Og0KPiANCj4gT24gMTkvMDYvMjAyMCAxMDowNSwgRWFzdEwgd3JvdGU6DQo+ID4gVGhpcyBwYXRj aCBhZGQgZG1hIG1hc2sgZm9yIGNhcGFiaWxpdHkuDQo+ID4gDQo+ID4gU2lnbmVkLW9mZi1ieTog RWFzdEwgPEVhc3RMLkxlZUBtZWRpYXRlay5jb20+DQo+ID4gLS0tDQo+ID4gIGRyaXZlcnMvZG1h L21lZGlhdGVrL210ay1jcWRtYS5jIHwgMTcgKysrKysrKysrKysrKysrKysNCj4gPiAgMSBmaWxl IGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKykNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9kbWEvbWVkaWF0ZWsvbXRrLWNxZG1hLmMgYi9kcml2ZXJzL2RtYS9tZWRpYXRlay9tdGstY3Fk bWEuYw0KPiA+IGluZGV4IDkwNWJiY2IuLmVkMzNjNjQgMTAwNjQ0DQo+ID4gLS0tIGEvZHJpdmVy cy9kbWEvbWVkaWF0ZWsvbXRrLWNxZG1hLmMNCj4gPiArKysgYi9kcml2ZXJzL2RtYS9tZWRpYXRl ay9tdGstY3FkbWEuYw0KPiA+IEBAIC0xMTcsNiArMTE3LDcgQEAgc3RydWN0IG10a19jcWRtYV92 Y2hhbiB7DQo+ID4gICAqIEBjbGs6ICAgICAgICAgICAgICAgICAgICBUaGUgY2xvY2sgdGhhdCBk ZXZpY2UgaW50ZXJuYWwgaXMgdXNpbmcNCj4gPiAgICogQGRtYV9yZXF1ZXN0czogICAgICAgICAg IFRoZSBudW1iZXIgb2YgVkNzIHRoZSBkZXZpY2Ugc3VwcG9ydHMgdG8NCj4gPiAgICogQGRtYV9j aGFubmVsczogICAgICAgICAgIFRoZSBudW1iZXIgb2YgUENzIHRoZSBkZXZpY2Ugc3VwcG9ydHMg dG8NCj4gPiArICogQGRtYV9tYXNrOiAgICAgICAgICAgICAgIEEgbWFzayBmb3IgRE1BIGNhcGFi aWxpdHkNCj4gPiAgICogQHZjOiAgICAgICAgICAgICAgICAgICAgIFRoZSBwb2ludGVyIHRvIGFs bCBhdmFpbGFibGUgVkNzDQo+ID4gICAqIEBwYzogICAgICAgICAgICAgICAgICAgICBUaGUgcG9p bnRlciB0byBhbGwgdGhlIHVuZGVybHlpbmcgUENzDQo+ID4gICAqLw0KPiA+IEBAIC0xMjYsNiAr MTI3LDcgQEAgc3RydWN0IG10a19jcWRtYV9kZXZpY2Ugew0KPiA+ICANCj4gPiAgCXUzMiBkbWFf cmVxdWVzdHM7DQo+ID4gIAl1MzIgZG1hX2NoYW5uZWxzOw0KPiA+ICsJdTMyIGRtYV9tYXNrOw0K PiA+ICAJc3RydWN0IG10a19jcWRtYV92Y2hhbiAqdmM7DQo+ID4gIAlzdHJ1Y3QgbXRrX2NxZG1h X3BjaGFuICoqcGM7DQo+ID4gIH07DQo+ID4gQEAgLTYwNyw2ICs2MDksMjEgQEAgc3RhdGljIGlu dCBtdGtfY3FkbWFfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikNCj4gPiAgCQlj cWRtYS0+ZG1hX2NoYW5uZWxzID0gTVRLX0NRRE1BX05SX1BDSEFOUzsNCj4gPiAgCX0NCj4gPiAg DQo+ID4gKwlpZiAocGRldi0+ZGV2Lm9mX25vZGUpDQo+ID4gKwkJZXJyID0gb2ZfcHJvcGVydHlf cmVhZF91MzIocGRldi0+ZGV2Lm9mX25vZGUsDQo+ID4gKwkJCQkJICAgImRtYS1jaGFubmVsLW1h c2siLA0KPiA+ICsJCQkJCSAgICZjcWRtYS0+ZG1hX21hc2spOw0KPiA+ICsJaWYgKGVycikgew0K PiA+ICsJCWRldl93YXJuKCZwZGV2LT5kZXYsDQo+ID4gKwkJCSAiVXNpbmcgMCBhcyBtaXNzaW5n IGRtYS1jaGFubmVsLW1hc2sgcHJvcGVydHlcbiIpOw0KPiA+ICsJCWNxZG1hLT5kbWFfbWFzayA9 IDA7DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICsJaWYgKGRtYV9zZXRfbWFzaygmcGRldi0+ZGV2LCBE TUFfQklUX01BU0soY3FkbWEtPmRtYV9tYXNrKSkpIHsNCj4gPiArCQlkZXZfd2FybigmcGRldi0+ ZGV2LCAiRE1BIHNldCBtYXNrIGZhaWxcbiIpOw0KPiANCj4gZmFpbCAtPiBmYWlsZWQNCj4gDQo+ IFdpdGggdGhpczoNCj4gUmV2aWV3ZWQtYnk6IE1hdHRoaWFzIEJydWdnZXIgPG1hdHRoaWFzLmJn Z0BnbWFpbC5jb20+DQoNCk9LLg0KPiANCj4gPiArCQlyZXR1cm4gLUVJTlZBTDsNCj4gPiArCX0N Cj4gPiArDQo+ID4gIAljcWRtYS0+cGMgPSBkZXZtX2tjYWxsb2MoJnBkZXYtPmRldiwgY3FkbWEt PmRtYV9jaGFubmVscywNCj4gPiAgCQkJCSBzaXplb2YoKmNxZG1hLT5wYyksIEdGUF9LRVJORUwp Ow0KPiA+ICAJaWYgKCFjcWRtYS0+cGMpDQo+ID4gDQoNCg==