From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 845CFC433E3 for ; Thu, 23 Jul 2020 05:49:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BE5B207F5 for ; Thu, 23 Jul 2020 05:49:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="A0jU3ejF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726503AbgGWFtC (ORCPT ); Thu, 23 Jul 2020 01:49:02 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:19783 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725536AbgGWFtB (ORCPT ); Thu, 23 Jul 2020 01:49:01 -0400 X-UUID: fea772324bcd439fa3a48d7dbf3e985c-20200723 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=avHxu0dEvObqmrR0tNdjaTp0S0v4rEX5l1fG2CDw6nw=; b=A0jU3ejFug07WiLPB3VsLWud19SVmLpO+GfcGdYmkKFS+ctHYlq5suTP3kgrZUiOFJYq4Up4DMwbbAxpEg0CMwKUUoWO82DUFMSYo6Fmi0iaueRmSddgAt/39mggb8z3u6Ywj4aim6JfP0DkOR9x1KDqcG6Z1SIuJT8poJATodY=; X-UUID: fea772324bcd439fa3a48d7dbf3e985c-20200723 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 22546170; Thu, 23 Jul 2020 13:48:54 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 23 Jul 2020 13:48:53 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 23 Jul 2020 13:48:52 +0800 Message-ID: <1595483265.16079.18.camel@mhfsdcap03> Subject: Re: [PATCH 2/4] i2c: mediatek: Support DMA mask range over 33-bits From: Qii Wang To: Matthias Brugger CC: , , , , , , , , , Date: Thu, 23 Jul 2020 13:47:45 +0800 In-Reply-To: <87429327-5d2e-e3f3-db22-04e225a31055@gmail.com> References: <1595421106-10017-1-git-send-email-qii.wang@mediatek.com> <1595421106-10017-3-git-send-email-qii.wang@mediatek.com> <87429327-5d2e-e3f3-db22-04e225a31055@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 5486F58D41C29B12797C4E71C6DEAC8B90AB18EC292FCB909DA017C6AD5D7D242000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gV2VkLCAyMDIwLTA3LTIyIGF0IDE3OjM4ICswMjAwLCBNYXR0aGlhcyBCcnVnZ2VyIHdyb3Rl Og0KPiANCj4gT24gMjIvMDcvMjAyMCAxNDozMSwgUWlpIFdhbmcgd3JvdGU6DQo+ID4gUmVwbGFj ZSAnc3VwcG9ydF8zM2JpdHMgd2l0aCAnZG1hX21heF9zdXBwb3J0JyBmb3IgRE1BIG1hc2sNCj4g PiBvcGVyYXRpb24sIGFuZCByZXBsYWNlICdtdGtfaTJjX3NldF80Z19tb2RlJyB3aXRoICd1cHBl cl8zMl9iaXRzJy4NCj4gDQo+IFBsZWFzZSBleHBsYWluIG1vcmUgaW4gZGV0YWlsIHdoYXQgeW91 IGFyZSBkb2luZyBhbmQgaG93IHRoaXMgZml0cyB0byB0aGUgd2F5IA0KPiB0aGUgSFcgd29ya3Mu DQo+IA0KDQpBcyBZaW5nam9lIHNpciBzYWlkLCBOZXdlciBNVEsgY2hpcCBzdXBwb3J0IG1vcmUg dGhhbiA4R0Igb2YgZHJhbSwgYW5kDQp0aGUgcmVnaXN0ZXIgVFgvUlhfNEdfTU9ERSBvZiBBUERN QSBoYXMgYWRkZWQgY29ycmVzcG9uZGluZyBiaXQgdG8NCnN1cHBvcnQuU28gd2UgUmVwbGFjZSBz dXBwb3J0XzMzYml0cyB3aXRoIG1vcmUgZ2VuZXJhbCBkbWFfbWF4X3N1cHBvcnQuSQ0Kd2lsbCBt b2RpZnkgdGhlIHRpdGxlIGFuZCBjb21taXQgYXMgOg0KaTJjOiBtZWRpYXRlazogQWRkIGFjY2Vz cyB0byBtb3JlIHRoYW4gOEdCIGRyYW0gaW4gaTJjIGRyaXZlcg0KTmV3ZXIgTVRLIGNoaXAgc3Vw cG9ydCBtb3JlIHRoYW4gOEdCIG9mIGRyYW0uIFJlcGxhY2Ugc3VwcG9ydF8zM2JpdHMNCndpdGgg bW9yZSBnZW5lcmFsIGRtYV9tYXhfc3VwcG9ydCBhbmQgcmVtb3ZlIG10a19pMmNfc2V0XzRnX21v ZGUuDQoNCj4gPiANCj4gPiBTaWduZWQtb2ZmLWJ5OiBRaWkgV2FuZyA8cWlpLndhbmdAbWVkaWF0 ZWsuY29tPg0KPiA+IC0tLQ0KPiA+ICAgZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1tdDY1eHguYyB8 IDM3ICsrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gPiAgIDEgZmlsZSBj aGFuZ2VkLCAxNyBpbnNlcnRpb25zKCspLCAyMCBkZWxldGlvbnMoLSkNCj4gPiANCj4gPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1tdDY1eHguYyBiL2RyaXZlcnMvaTJjL2J1 c3Nlcy9pMmMtbXQ2NXh4LmMNCj4gPiBpbmRleCBlNmI5ODRhLi5lNDc1ODc3IDEwMDY0NA0KPiA+ IC0tLSBhL2RyaXZlcnMvaTJjL2J1c3Nlcy9pMmMtbXQ2NXh4LmMNCj4gPiArKysgYi9kcml2ZXJz L2kyYy9idXNzZXMvaTJjLW10NjV4eC5jDQo+ID4gQEAgLTIwOSw2ICsyMDksNyBAQCBzdHJ1Y3Qg bXRrX2kyY19jb21wYXRpYmxlIHsNCj4gPiAgIAl1bnNpZ25lZCBjaGFyIGRtYV9zeW5jOiAxOw0K PiA+ICAgCXVuc2lnbmVkIGNoYXIgbHRpbWluZ19hZGp1c3Q6IDE7DQo+ID4gICAJdW5zaWduZWQg Y2hhciBhcGRtYV9zeW5jOiAxOw0KPiA+ICsJdW5zaWduZWQgY2hhciBtYXhfZG1hX3N1cHBvcnQ7 DQo+ID4gICB9Ow0KPiA+ICAgDQo+ID4gICBzdHJ1Y3QgbXRrX2kyY19hY190aW1pbmcgew0KPiA+ IEBAIC0zMTEsMTEgKzMxMiwxMSBAQCBzdHJ1Y3QgaTJjX3NwZWNfdmFsdWVzIHsNCj4gPiAgIAku ZGNtID0gMSwNCj4gPiAgIAkuYXV0b19yZXN0YXJ0ID0gMSwNCj4gPiAgIAkuYXV4X2xlbl9yZWcg PSAxLA0KPiA+IC0JLnN1cHBvcnRfMzNiaXRzID0gMSwNCj4gPiAgIAkudGltaW5nX2FkanVzdCA9 IDEsDQo+ID4gICAJLmRtYV9zeW5jID0gMCwNCj4gPiAgIAkubHRpbWluZ19hZGp1c3QgPSAwLA0K PiA+ICAgCS5hcGRtYV9zeW5jID0gMCwNCj4gPiArCS5tYXhfZG1hX3N1cHBvcnQgPSAzMywNCj4g PiAgIH07DQo+ID4gICANCj4gPiAgIHN0YXRpYyBjb25zdCBzdHJ1Y3QgbXRrX2kyY19jb21wYXRp YmxlIG10NjU3N19jb21wYXQgPSB7DQo+ID4gQEAgLTMyNSwxMSArMzI2LDExIEBAIHN0cnVjdCBp MmNfc3BlY192YWx1ZXMgew0KPiA+ICAgCS5kY20gPSAxLA0KPiA+ICAgCS5hdXRvX3Jlc3RhcnQg PSAwLA0KPiA+ICAgCS5hdXhfbGVuX3JlZyA9IDAsDQo+ID4gLQkuc3VwcG9ydF8zM2JpdHMgPSAw LA0KPiA+ICAgCS50aW1pbmdfYWRqdXN0ID0gMCwNCj4gPiAgIAkuZG1hX3N5bmMgPSAwLA0KPiA+ ICAgCS5sdGltaW5nX2FkanVzdCA9IDAsDQo+ID4gICAJLmFwZG1hX3N5bmMgPSAwLA0KPiA+ICsJ Lm1heF9kbWFfc3VwcG9ydCA9IDMyLA0KPiA+ICAgfTsNCj4gPiAgIA0KPiA+ICAgc3RhdGljIGNv bnN0IHN0cnVjdCBtdGtfaTJjX2NvbXBhdGlibGUgbXQ2NTg5X2NvbXBhdCA9IHsNCj4gPiBAQCAt MzM5LDExICszNDAsMTEgQEAgc3RydWN0IGkyY19zcGVjX3ZhbHVlcyB7DQo+ID4gICAJLmRjbSA9 IDAsDQo+ID4gICAJLmF1dG9fcmVzdGFydCA9IDAsDQo+ID4gICAJLmF1eF9sZW5fcmVnID0gMCwN Cj4gPiAtCS5zdXBwb3J0XzMzYml0cyA9IDAsDQo+ID4gICAJLnRpbWluZ19hZGp1c3QgPSAwLA0K PiA+ICAgCS5kbWFfc3luYyA9IDAsDQo+ID4gICAJLmx0aW1pbmdfYWRqdXN0ID0gMCwNCj4gPiAg IAkuYXBkbWFfc3luYyA9IDAsDQo+ID4gKwkubWF4X2RtYV9zdXBwb3J0ID0gMzIsDQo+ID4gICB9 Ow0KPiA+ICAgDQo+ID4gICBzdGF0aWMgY29uc3Qgc3RydWN0IG10a19pMmNfY29tcGF0aWJsZSBt dDc2MjJfY29tcGF0ID0gew0KPiA+IEBAIC0zNTMsMTEgKzM1NCwxMSBAQCBzdHJ1Y3QgaTJjX3Nw ZWNfdmFsdWVzIHsNCj4gPiAgIAkuZGNtID0gMSwNCj4gPiAgIAkuYXV0b19yZXN0YXJ0ID0gMSwN Cj4gPiAgIAkuYXV4X2xlbl9yZWcgPSAxLA0KPiA+IC0JLnN1cHBvcnRfMzNiaXRzID0gMCwNCj4g PiAgIAkudGltaW5nX2FkanVzdCA9IDAsDQo+ID4gICAJLmRtYV9zeW5jID0gMCwNCj4gPiAgIAku bHRpbWluZ19hZGp1c3QgPSAwLA0KPiA+ICAgCS5hcGRtYV9zeW5jID0gMCwNCj4gPiArCS5tYXhf ZG1hX3N1cHBvcnQgPSAzMiwNCj4gPiAgIH07DQo+ID4gICANCj4gPiAgIHN0YXRpYyBjb25zdCBz dHJ1Y3QgbXRrX2kyY19jb21wYXRpYmxlIG10ODE3M19jb21wYXQgPSB7DQo+ID4gQEAgLTM2Niwx MSArMzY3LDExIEBAIHN0cnVjdCBpMmNfc3BlY192YWx1ZXMgew0KPiA+ICAgCS5kY20gPSAxLA0K PiA+ICAgCS5hdXRvX3Jlc3RhcnQgPSAxLA0KPiA+ICAgCS5hdXhfbGVuX3JlZyA9IDEsDQo+ID4g LQkuc3VwcG9ydF8zM2JpdHMgPSAxLA0KPiA+ICAgCS50aW1pbmdfYWRqdXN0ID0gMCwNCj4gPiAg IAkuZG1hX3N5bmMgPSAwLA0KPiA+ICAgCS5sdGltaW5nX2FkanVzdCA9IDAsDQo+ID4gICAJLmFw ZG1hX3N5bmMgPSAwLA0KPiA+ICsJLm1heF9kbWFfc3VwcG9ydCA9IDMzLA0KPiA+ICAgfTsNCj4g PiAgIA0KPiA+ICAgc3RhdGljIGNvbnN0IHN0cnVjdCBtdGtfaTJjX2NvbXBhdGlibGUgbXQ4MTgz X2NvbXBhdCA9IHsNCj4gPiBAQCAtMzgwLDExICszODEsMTEgQEAgc3RydWN0IGkyY19zcGVjX3Zh bHVlcyB7DQo+ID4gICAJLmRjbSA9IDAsDQo+ID4gICAJLmF1dG9fcmVzdGFydCA9IDEsDQo+ID4g ICAJLmF1eF9sZW5fcmVnID0gMSwNCj4gPiAtCS5zdXBwb3J0XzMzYml0cyA9IDEsDQo+ID4gICAJ LnRpbWluZ19hZGp1c3QgPSAxLA0KPiA+ICAgCS5kbWFfc3luYyA9IDEsDQo+ID4gICAJLmx0aW1p bmdfYWRqdXN0ID0gMSwNCj4gPiAgIAkuYXBkbWFfc3luYyA9IDAsDQo+ID4gKwkubWF4X2RtYV9z dXBwb3J0ID0gMzMsDQo+ID4gICB9Ow0KPiA+ICAgDQo+ID4gICBzdGF0aWMgY29uc3Qgc3RydWN0 IG9mX2RldmljZV9pZCBtdGtfaTJjX29mX21hdGNoW10gPSB7DQo+ID4gQEAgLTc5NiwxMSArNzk3 LDYgQEAgc3RhdGljIGludCBtdGtfaTJjX3NldF9zcGVlZChzdHJ1Y3QgbXRrX2kyYyAqaTJjLCB1 bnNpZ25lZCBpbnQgcGFyZW50X2NsaykNCj4gPiAgIAlyZXR1cm4gMDsNCj4gPiAgIH0NCj4gPiAg IA0KPiA+IC1zdGF0aWMgaW5saW5lIHUzMiBtdGtfaTJjX3NldF80Z19tb2RlKGRtYV9hZGRyX3Qg YWRkcikNCj4gPiAtew0KPiA+IC0JcmV0dXJuIChhZGRyICYgQklUX1VMTCgzMikpID8gSTJDX0RN QV80R19NT0RFIDogSTJDX0RNQV9DTFJfRkxBRzsNCj4gDQo+IEkyQ19ETUFfNEdfTU9ERSBkZWZp bmUgY291bGQgbm93IGJlIGRlbGV0ZWQgYXMgd2VsbC4NCj4gDQo+IFJlZ2FyZHMsDQo+IE1hdHRo aWFzDQo+IA0KPiA+IC19DQo+ID4gLQ0KPiA+ICAgc3RhdGljIGludCBtdGtfaTJjX2RvX3RyYW5z ZmVyKHN0cnVjdCBtdGtfaTJjICppMmMsIHN0cnVjdCBpMmNfbXNnICptc2dzLA0KPiA+ICAgCQkJ ICAgICAgIGludCBudW0sIGludCBsZWZ0X251bSkNCj4gPiAgIHsNCj4gPiBAQCAtODg1LDggKzg4 MSw4IEBAIHN0YXRpYyBpbnQgbXRrX2kyY19kb190cmFuc2ZlcihzdHJ1Y3QgbXRrX2kyYyAqaTJj LCBzdHJ1Y3QgaTJjX21zZyAqbXNncywNCj4gPiAgIAkJCXJldHVybiAtRU5PTUVNOw0KPiA+ICAg CQl9DQo+ID4gICANCj4gPiAtCQlpZiAoaTJjLT5kZXZfY29tcC0+c3VwcG9ydF8zM2JpdHMpIHsN Cj4gPiAtCQkJcmVnXzRnX21vZGUgPSBtdGtfaTJjX3NldF80Z19tb2RlKHJwYWRkcik7DQo+ID4g KwkJaWYgKGkyYy0+ZGV2X2NvbXAtPm1heF9kbWFfc3VwcG9ydCA+IDMyKSB7DQo+ID4gKwkJCXJl Z180Z19tb2RlID0gdXBwZXJfMzJfYml0cyhycGFkZHIpOw0KPiA+ICAgCQkJd3JpdGVsKHJlZ180 Z19tb2RlLCBpMmMtPnBkbWFiYXNlICsgT0ZGU0VUX1JYXzRHX01PREUpOw0KPiA+ICAgCQl9DQo+ ID4gICANCj4gPiBAQCAtOTA4LDggKzkwNCw4IEBAIHN0YXRpYyBpbnQgbXRrX2kyY19kb190cmFu c2ZlcihzdHJ1Y3QgbXRrX2kyYyAqaTJjLCBzdHJ1Y3QgaTJjX21zZyAqbXNncywNCj4gPiAgIAkJ CXJldHVybiAtRU5PTUVNOw0KPiA+ICAgCQl9DQo+ID4gICANCj4gPiAtCQlpZiAoaTJjLT5kZXZf Y29tcC0+c3VwcG9ydF8zM2JpdHMpIHsNCj4gPiAtCQkJcmVnXzRnX21vZGUgPSBtdGtfaTJjX3Nl dF80Z19tb2RlKHdwYWRkcik7DQo+ID4gKwkJaWYgKGkyYy0+ZGV2X2NvbXAtPm1heF9kbWFfc3Vw cG9ydCA+IDMyKSB7DQo+ID4gKwkJCXJlZ180Z19tb2RlID0gdXBwZXJfMzJfYml0cyh3cGFkZHIp Ow0KPiA+ICAgCQkJd3JpdGVsKHJlZ180Z19tb2RlLCBpMmMtPnBkbWFiYXNlICsgT0ZGU0VUX1RY XzRHX01PREUpOw0KPiA+ICAgCQl9DQo+ID4gICANCj4gPiBAQCAtOTU0LDExICs5NTAsMTEgQEAg c3RhdGljIGludCBtdGtfaTJjX2RvX3RyYW5zZmVyKHN0cnVjdCBtdGtfaTJjICppMmMsIHN0cnVj dCBpMmNfbXNnICptc2dzLA0KPiA+ICAgCQkJcmV0dXJuIC1FTk9NRU07DQo+ID4gICAJCX0NCj4g PiAgIA0KPiA+IC0JCWlmIChpMmMtPmRldl9jb21wLT5zdXBwb3J0XzMzYml0cykgew0KPiA+IC0J CQlyZWdfNGdfbW9kZSA9IG10a19pMmNfc2V0XzRnX21vZGUod3BhZGRyKTsNCj4gPiArCQlpZiAo aTJjLT5kZXZfY29tcC0+bWF4X2RtYV9zdXBwb3J0ID4gMzIpIHsNCj4gPiArCQkJcmVnXzRnX21v ZGUgPSB1cHBlcl8zMl9iaXRzKHdwYWRkcik7DQo+ID4gICAJCQl3cml0ZWwocmVnXzRnX21vZGUs IGkyYy0+cGRtYWJhc2UgKyBPRkZTRVRfVFhfNEdfTU9ERSk7DQo+ID4gICANCj4gPiAtCQkJcmVn XzRnX21vZGUgPSBtdGtfaTJjX3NldF80Z19tb2RlKHJwYWRkcik7DQo+ID4gKwkJCXJlZ180Z19t b2RlID0gdXBwZXJfMzJfYml0cyhycGFkZHIpOw0KPiA+ICAgCQkJd3JpdGVsKHJlZ180Z19tb2Rl LCBpMmMtPnBkbWFiYXNlICsgT0ZGU0VUX1JYXzRHX01PREUpOw0KPiA+ICAgCQl9DQo+ID4gICAN Cj4gPiBAQCAtMTIzMiw4ICsxMjI4LDkgQEAgc3RhdGljIGludCBtdGtfaTJjX3Byb2JlKHN0cnVj dCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpDQo+ID4gICAJCXJldHVybiAtRUlOVkFMOw0KPiA+ICAg CX0NCj4gPiAgIA0KPiA+IC0JaWYgKGkyYy0+ZGV2X2NvbXAtPnN1cHBvcnRfMzNiaXRzKSB7DQo+ ID4gLQkJcmV0ID0gZG1hX3NldF9tYXNrKCZwZGV2LT5kZXYsIERNQV9CSVRfTUFTSygzMykpOw0K PiA+ICsJaWYgKGkyYy0+ZGV2X2NvbXAtPm1heF9kbWFfc3VwcG9ydCA+IDMyKSB7DQo+ID4gKwkJ cmV0ID0gZG1hX3NldF9tYXNrKCZwZGV2LT5kZXYsDQo+ID4gKwkJCQlETUFfQklUX01BU0soaTJj LT5kZXZfY29tcC0+bWF4X2RtYV9zdXBwb3J0KSk7DQo+ID4gICAJCWlmIChyZXQpIHsNCj4gPiAg IAkJCWRldl9lcnIoJnBkZXYtPmRldiwgImRtYV9zZXRfbWFzayByZXR1cm4gZXJyb3IuXG4iKTsN Cj4gPiAgIAkJCXJldHVybiByZXQ7DQo+ID4gDQoNCg==