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Sat, 19 Sep 2020 23:26:52 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 19 Sep 2020 23:26:50 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 19 Sep 2020 23:26:42 +0800 Message-ID: <1600529204.7002.0.camel@mtksdaap41> Subject: Re: [PATCH v2 4/5] spi: spi-mtk-nor: support 36bit dma addressing to mediatek From: Yingjoe Chen To: Ikjoon Jang CC: Rob Herring , Mark Brown , , , , Matthias Brugger , , , Date: Sat, 19 Sep 2020 23:26:44 +0800 In-Reply-To: <20200918162834.v2.4.Id1cb208392928afc7ceed4de06924243c7858cd0@changeid> References: <20200918083124.3921207-1-ikjn@chromium.org> <20200918162834.v2.4.Id1cb208392928afc7ceed4de06924243c7858cd0@changeid> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 46E17E8B4D077AB8C9950FBED0B79A5B30E2719458EBEF71FDC429C6B020E84F2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org T24gRnJpLCAyMDIwLTA5LTE4IGF0IDE2OjMxICswODAwLCBJa2pvb24gSmFuZyB3cm90ZToNCj4g VGhpcyBwYXRjaCBlbmFibGVzIDM2Yml0IGRtYSBhZGRyZXNzIHN1cHBvcnQgdG8gc3BpLW10ay1u b3IuDQo+IEN1cnJlbnRseSAzNmJpdCBkbWEgYWRkcmVzc2luZyBpcyBlbmFibGVkIG9ubHkgZm9y IG10ODE5Mi1ub3IuDQo+IA0KPiBTaWduZWQtb2ZmLWJ5OiBJa2pvb24gSmFuZyA8aWtqbkBjaHJv bWl1bS5vcmc+DQo+IC0tLQ0KPiANCj4gKG5vIGNoYW5nZXMgc2luY2UgdjEpDQo+IA0KPiAgZHJp dmVycy9zcGkvc3BpLW10ay1ub3IuYyB8IDE5ICsrKysrKysrKysrKysrKysrKy0NCj4gIDEgZmls ZSBjaGFuZ2VkLCAxOCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9zcGkvc3BpLW10ay1ub3IuYyBiL2RyaXZlcnMvc3BpL3NwaS1tdGstbm9y LmMNCj4gaW5kZXggZTE0Nzk4YTZlN2QwLi45OWRkNWRjYTc0NGUgMTAwNjQ0DQo+IC0tLSBhL2Ry aXZlcnMvc3BpL3NwaS1tdGstbm9yLmMNCj4gKysrIGIvZHJpdmVycy9zcGkvc3BpLW10ay1ub3Iu Yw0KPiBAQCAtNzgsNiArNzgsOCBAQA0KPiAgI2RlZmluZSBNVEtfTk9SX1JFR19ETUFfRkFEUgkJ MHg3MWMNCj4gICNkZWZpbmUgTVRLX05PUl9SRUdfRE1BX0RBRFIJCTB4NzIwDQo+ICAjZGVmaW5l IE1US19OT1JfUkVHX0RNQV9FTkRfREFEUgkweDcyNA0KPiArI2RlZmluZSBNVEtfTk9SX1JFR19E TUFfREFEUl9IQgkJMHg3MzgNCj4gKyNkZWZpbmUgTVRLX05PUl9SRUdfRE1BX0VORF9EQURSX0hC CTB4NzNjDQo+ICANCj4gICNkZWZpbmUgTVRLX05PUl9QUkdfTUFYX1NJWkUJCTYNCj4gIC8vIFJl YWRpbmcgRE1BIHNyYy9kc3QgYWRkcmVzc2VzIGhhdmUgdG8gYmUgMTYtYnl0ZSBhbGlnbmVkDQo+ IEBAIC0xMDIsNiArMTA0LDcgQEAgc3RydWN0IG10a19ub3Igew0KPiAgCXVuc2lnbmVkIGludCBz cGlfZnJlcTsNCj4gIAlib29sIHdidWZfZW47DQo+ICAJYm9vbCBoYXNfaXJxOw0KPiArCWJvb2wg aGlnaF9kbWE7DQo+ICAJc3RydWN0IGNvbXBsZXRpb24gb3BfZG9uZTsNCj4gIH07DQo+ICANCj4g QEAgLTI5MSw2ICsyOTQsMTEgQEAgc3RhdGljIGludCByZWFkX2RtYShzdHJ1Y3QgbXRrX25vciAq c3AsIHUzMiBmcm9tLCB1bnNpZ25lZCBpbnQgbGVuZ3RoLA0KPiAgCXdyaXRlbChkbWFfYWRkciwg c3AtPmJhc2UgKyBNVEtfTk9SX1JFR19ETUFfREFEUik7DQo+ICAJd3JpdGVsKGRtYV9hZGRyICsg bGVuZ3RoLCBzcC0+YmFzZSArIE1US19OT1JfUkVHX0RNQV9FTkRfREFEUik7DQo+ICANCj4gKwlp ZiAoc3AtPmhpZ2hfZG1hKSB7DQo+ICsJCXdyaXRlbChkbWFfYWRkciA+PiAzMiwgc3AtPmJhc2Ug KyBNVEtfTk9SX1JFR19ETUFfREFEUl9IQik7DQo+ICsJCXdyaXRlbCgoZG1hX2FkZHIgKyBsZW5n dGgpID4+IDMyLCBzcC0+YmFzZSArIE1US19OT1JfUkVHX0RNQV9FTkRfREFEUl9IQik7DQo+ICsJ fQ0KPiArDQo+ICAJaWYgKHNwLT5oYXNfaXJxKSB7DQo+ICAJCXJlaW5pdF9jb21wbGV0aW9uKCZz cC0+b3BfZG9uZSk7DQo+ICAJCW10a19ub3Jfcm13KHNwLCBNVEtfTk9SX1JFR19JUlFfRU4sIE1U S19OT1JfSVJRX0RNQSwgMCk7DQo+IEBAIC01OTQsNyArNjAyLDggQEAgc3RhdGljIGNvbnN0IHN0 cnVjdCBzcGlfY29udHJvbGxlcl9tZW1fb3BzIG10a19ub3JfbWVtX29wcyA9IHsNCj4gIH07DQo+ ICANCj4gIHN0YXRpYyBjb25zdCBzdHJ1Y3Qgb2ZfZGV2aWNlX2lkIG10a19ub3JfbWF0Y2hbXSA9 IHsNCj4gLQl7IC5jb21wYXRpYmxlID0gIm1lZGlhdGVrLG10ODE3My1ub3IiIH0sDQo+ICsJeyAu Y29tcGF0aWJsZSA9ICJtZWRpYXRlayxtdDgxOTItbm9yIiwgLmRhdGEgPSAodm9pZCAqKTM2IH0s DQo+ICsJeyAuY29tcGF0aWJsZSA9ICJtZWRpYXRlayxtdDgxNzMtbm9yIiwgLmRhdGEgPSAodm9p ZCAqKTMyIH0sDQo+ICAJeyAvKiBzZW50aW5lbCAqLyB9DQo+ICB9Ow0KPiAgTU9EVUxFX0RFVklD RV9UQUJMRShvZiwgbXRrX25vcl9tYXRjaCk7DQo+IEBAIC02MDcsNiArNjE2LDcgQEAgc3RhdGlj IGludCBtdGtfbm9yX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpDQo+ICAJdTgg KmJ1ZmZlcjsNCj4gIAlzdHJ1Y3QgY2xrICpzcGlfY2xrLCAqY3Rscl9jbGs7DQo+ICAJaW50IHJl dCwgaXJxOw0KPiArCXVuc2lnbmVkIGxvbmcgZG1hX2JpdHM7DQo+ICANCj4gIAliYXNlID0gZGV2 bV9wbGF0Zm9ybV9pb3JlbWFwX3Jlc291cmNlKHBkZXYsIDApOw0KPiAgCWlmIChJU19FUlIoYmFz ZSkpDQo+IEBAIC02MjMsNiArNjMzLDEzIEBAIHN0YXRpYyBpbnQgbXRrX25vcl9wcm9iZShzdHJ1 Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQ0KPiAgCWJ1ZmZlciA9IGRldm1fa21hbGxvYygmcGRl di0+ZGV2LA0KPiAgCQkJICAgICAgTVRLX05PUl9CT1VOQ0VfQlVGX1NJWkUgKyBNVEtfTk9SX0RN QV9BTElHTiwNCj4gIAkJCSAgICAgIEdGUF9LRVJORUwpOw0KPiArDQo+ICsJZG1hX2JpdHMgPSAo dW5zaWduZWQgbG9uZylvZl9kZXZpY2VfZ2V0X21hdGNoX2RhdGEoJnBkZXYtPmRldik7DQo+ICsJ aWYgKGRtYV9zZXRfbWFza19hbmRfY29oZXJlbnQoJnBkZXYtPmRldiwgRE1BX0JJVF9NQVNLKGRt YV9iaXRzKSkpIHsNCj4gKwkJZGV2X2VycigmcGRldi0+ZGV2LCAiZmFpbGVkIHRvIHNldCBkbWEg bWFzayglbHUpXG4iLCBkbWFfYml0cyk7DQo+ICsJCXJldHVybiAtRUlOVkFMOw0KPiArCX0NCj4g Kw0KDQpEbyB3ZSBuZWVkIHRvIHNldCBzcC0+aGlnaF9kbWEgd2hlbiB3ZSBoYXZlID4zMmJpdHMg RE1BPw0KDQpKb2UuQw0K