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=-8.3 required=3.0 tests=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 C1035C433E0 for ; Thu, 18 Jun 2020 11:49:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EF5420739 for ; Thu, 18 Jun 2020 11:49:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QDCb+AFs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728968AbgFRLt4 (ORCPT ); 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Thu, 18 Jun 2020 19:49:47 +0800 Received: from [10.15.20.246] (10.15.20.246) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 18 Jun 2020 19:49:45 +0800 Message-ID: <1592480963.12647.5.camel@mbjsdccf07> Subject: Re: [PATCH v4 3/7] iommu/mediatek: Set MISC_CTRL register From: chao hao To: Matthias Brugger CC: Joerg Roedel , Rob Herring , , , , , , , Yong Wu , FY Yang , Chao Hao Date: Thu, 18 Jun 2020 19:49:23 +0800 In-Reply-To: References: <20200617030029.4082-1-chao.hao@mediatek.com> <20200617030029.4082-4-chao.hao@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 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 T24gV2VkLCAyMDIwLTA2LTE3IGF0IDExOjM0ICswMjAwLCBNYXR0aGlhcyBCcnVnZ2VyIHdyb3Rl Og0KPiANCj4gT24gMTcvMDYvMjAyMCAwNTowMCwgQ2hhbyBIYW8gd3JvdGU6DQo+ID4gQWRkIEZf TU1VX0lOX09SREVSX1dSX0VOIGRlZmluaXRpb24gaW4gTUlTQ19DVFJMLg0KPiA+IEluIG9yZGVy IHRvIGltcHJvdmUgcGVyZm9ybWFuY2UsIHdlIGFsd2F5cyBkaXNhYmxlIFNUQU5EQVJEX0FYSV9N T0RFDQo+ID4gYW5kIElOX09SREVSX1dSX0VOIGluIE1JU0NfQ1RSTC4NCj4gPiANCj4gPiBDaGFu Z2Ugc2luY2UgdjM6DQo+IA0KPiBUaGUgY2hhbmdlbG9nIHNob3VsZCBnbyBiZWxvdyB0aGUgJy0t LScgYXMgd2UgZG9uJ3Qgd2FudCB0aGlzIGluIHRoZSBnaXQgaGlzdG9yeQ0KPiBvbmNlIHRoZSBw YXRjaCBnZXQncyBhY2NlcHRlZC4NCj4gDQpva29rLCB0aGFua3MNCg0KPiA+IDEuIFJlbmFtZSBE aXNhYmxlIFNUQU5EQVJEX0FYSV9NT0RFIGluIE1JU0NfQ1RSTCB0byBTZXQgTUlTQ19DVFJMIHJl Z2lzdGVyDQo+ID4gMi4gQWRkIEZfTU1VX0lOX0RSREVSX1dSX0VOIGRlZmluaXRpb24gaW4gTUlT Q19DVFJMDQo+ID4gICAgICAgIFdlIG5lZWQgdG8gZGlzYWJsZSBpbl9vcmRlcl93cml0ZSB0byBp bXByb3ZlIHBlcmZvcm1hbmNlDQo+ID4gDQo+ID4gQ2M6IFlvbmcgV3UgPHlvbmcud3VAbWVkaWF0 ZWsuY29tPg0KPiA+IFNpZ25lZC1vZmYtYnk6IENoYW8gSGFvIDxjaGFvLmhhb0BtZWRpYXRlay5j b20+DQo+ID4gLS0tDQo+ID4gIGRyaXZlcnMvaW9tbXUvbXRrX2lvbW11LmMgfCAxMSArKysrKysr KysrKw0KPiA+ICBkcml2ZXJzL2lvbW11L210a19pb21tdS5oIHwgIDEgKw0KPiA+ICAyIGZpbGVz IGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKykNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9pb21tdS9tdGtfaW9tbXUuYyBiL2RyaXZlcnMvaW9tbXUvbXRrX2lvbW11LmMNCj4gPiBpbmRl eCA4OGQzZGY1YjkxYzIuLjIzOWQyY2RiYmM5ZiAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL2lv bW11L210a19pb21tdS5jDQo+ID4gKysrIGIvZHJpdmVycy9pb21tdS9tdGtfaW9tbXUuYw0KPiA+ IEBAIC00Miw2ICs0Miw5IEBADQo+ID4gICNkZWZpbmUgRl9JTlZMRF9FTjEJCQkJQklUKDEpDQo+ ID4gIA0KPiA+ICAjZGVmaW5lIFJFR19NTVVfTUlTQ19DVFJMCQkJMHgwNDgNCj4gPiArI2RlZmlu ZSBGX01NVV9JTl9PUkRFUl9XUl9FTgkJCShCSVQoMSkgfCBCSVQoMTcpKQ0KPiA+ICsjZGVmaW5l IEZfTU1VX1NUQU5EQVJEX0FYSV9NT0RFX0JJVAkJKEJJVCgzKSB8IEJJVCgxOSkpDQo+ID4gKw0K PiA+ICAjZGVmaW5lIFJFR19NTVVfRENNX0RJUwkJCQkweDA1MA0KPiA+ICANCj4gPiAgI2RlZmlu ZSBSRUdfTU1VX0NUUkxfUkVHCQkJMHgxMTANCj4gPiBAQCAtNTc4LDYgKzU4MSwxNCBAQCBzdGF0 aWMgaW50IG10a19pb21tdV9od19pbml0KGNvbnN0IHN0cnVjdCBtdGtfaW9tbXVfZGF0YSAqZGF0 YSkNCj4gPiAgCQl3cml0ZWxfcmVsYXhlZCgwLCBkYXRhLT5iYXNlICsgUkVHX01NVV9NSVNDX0NU UkwpOw0KPiA+ICAJfQ0KPiA+ICANCj4gPiArCWlmIChkYXRhLT5wbGF0X2RhdGEtPmhhc19taXNj X2N0cmwpIHsNCj4gDQo+IFRoYXQncyBjb25mdXNpbmcuIFdlIHJlbmFtZWQgdGhlIHJlZ2lzdGVy IHRvIG1pc2NfY3RybCwgYnV0IGl0J3MgcHJlc2VudCBpbiBhbGwNCj4gU29Dcy4gV2Ugc2hvdWxk IGZpbmQgYSBiZXR0ZXIgbmFtZSBmb3IgdGhpcyBmbGFnIHRvIGRlc2NyaWJlIHdoYXQgdGhlIGhh cmR3YXJlDQo+IHN1cHBvcnRzLg0KPiANCg0Kb2ssIHRoYW5rcyBmb3IgeW91IGFkdmljZSwgSSB3 aWxsIHJlbmFtZSBpdCBpbiBuZXh0IHZlcnNpb24uDQpleDpoYXNfcGVyZl9yZXEoaGFzIHBlcmZv cm1hbmNlIHJlcXVpcmVtZW50KQ0KDQoNCj4gUmVnYXJkcywNCj4gTWF0dGhpYXMNCj4gDQo+ID4g KwkJLyogRm9yIG1tX2lvbW11LCBpdCBjYW4gaW1wcm92ZSBwZXJmb3JtYW5jZSBieSB0aGUgc2V0 dGluZyAqLw0KPiA+ICsJCXJlZ3ZhbCA9IHJlYWRsX3JlbGF4ZWQoZGF0YS0+YmFzZSArIFJFR19N TVVfTUlTQ19DVFJMKTsNCj4gPiArCQlyZWd2YWwgJj0gfkZfTU1VX1NUQU5EQVJEX0FYSV9NT0RF X0JJVDsNCj4gPiArCQlyZWd2YWwgJj0gfkZfTU1VX0lOX09SREVSX1dSX0VOOw0KPiA+ICsJCXdy aXRlbF9yZWxheGVkKHJlZ3ZhbCwgZGF0YS0+YmFzZSArIFJFR19NTVVfTUlTQ19DVFJMKTsNCj4g PiArCX0NCj4gPiArDQo+ID4gIAlpZiAoZGV2bV9yZXF1ZXN0X2lycShkYXRhLT5kZXYsIGRhdGEt PmlycSwgbXRrX2lvbW11X2lzciwgMCwNCj4gPiAgCQkJICAgICBkZXZfbmFtZShkYXRhLT5kZXYp LCAodm9pZCAqKWRhdGEpKSB7DQo+ID4gIAkJd3JpdGVsX3JlbGF4ZWQoMCwgZGF0YS0+YmFzZSAr IFJFR19NTVVfUFRfQkFTRV9BRERSKTsNCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9pb21tdS9t dGtfaW9tbXUuaCBiL2RyaXZlcnMvaW9tbXUvbXRrX2lvbW11LmgNCj4gPiBpbmRleCAxYjZlYTgz OWI5MmMuLmQ3MTFhYzYzMDAzNyAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL2lvbW11L210a19p b21tdS5oDQo+ID4gKysrIGIvZHJpdmVycy9pb21tdS9tdGtfaW9tbXUuaA0KPiA+IEBAIC00MCw2 ICs0MCw3IEBAIHN0cnVjdCBtdGtfaW9tbXVfcGxhdF9kYXRhIHsNCj4gPiAgDQo+ID4gIAkvKiBI VyB3aWxsIHVzZSB0aGUgRU1JIGNsb2NrIGlmIHRoZXJlIGlzbid0IHRoZSAiYmNsayIuICovDQo+ ID4gIAlib29sICAgICAgICAgICAgICAgIGhhc19iY2xrOw0KPiA+ICsJYm9vbAkJICAgIGhhc19t aXNjX2N0cmw7DQo+ID4gIAlib29sICAgICAgICAgICAgICAgIGhhc192bGRfcGFfcm5nOw0KPiA+ ICAJYm9vbCAgICAgICAgICAgICAgICByZXNldF9heGk7DQo+ID4gIAl1bnNpZ25lZCBjaGFyICAg ICAgIGxhcmJpZF9yZW1hcFtNVEtfTEFSQl9OUl9NQVhdOw0KPiA+IA0KDQo=