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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no 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 E4D1DC433E0 for ; Thu, 11 Mar 2021 09:52:03 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5AB2464DE1 for ; Thu, 11 Mar 2021 09:52:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5AB2464DE1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Date:CC:To:From: Subject:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YnCVNEQQzbj9W76Jpy5dwS/z146ZbkdAbMTUX30DBOM=; b=K7HPYfkxZZdmFnEPNkiMLtt64 YtndjbrdRGa0a5W4NSz7CHwLaATXlZo1ruOj0RWg28F+sGpxnERXs6/cSbBRFSFJlwPSMP+YCS7v0 S41+kA/ECMmfDBLCiZRGQrT/1eeh98orZSgBCXwumJa2SeeY4WJwt6SrkZdt80FA1Yi9XCPKTt72N fvjBzhuSX0LSB6KJYknwO0m+5SiCGAWNhoiyaFQyqJe99qz1TxGl9ezVZJaAzEXCcOzTE4eWTjP2D wcbKxJy2FF5q5lKgvv4KWJMEalBRf2n1KMVuVZqU8Nvf8aFa2F+rdHwcX0IdszGfuXLjmfCCSIVCG PQVnz8fyA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKHxe-008mcW-73; Thu, 11 Mar 2021 09:50:30 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKHxZ-008maq-4V; Thu, 11 Mar 2021 09:50:27 +0000 X-UUID: 1bc6547081dc44429cf8a81bca977b77-20210311 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=a9ej59heEilQzTKWC4HbE25Ht5GD9Ct0059vCNX/I/s=; b=b/fiesXnCh7ySSCfvoHnSxpK/D4VYjfKySMm1KzuavvUqrRLcZl0zuryJ9ZuWVp0dbATFvwLXEC1/GFGdB7hg5cijeMlJ38lux1g+R/ZkJgyHWNftPczFTIyhV4czctrYw9SvggcuJEMSXuoCIhSlnMBZiGNIhg9W1/aXCLoFV4=; X-UUID: 1bc6547081dc44429cf8a81bca977b77-20210311 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 37611026; Thu, 11 Mar 2021 01:50:19 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 11 Mar 2021 01:50:18 -0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 11 Mar 2021 17:50:15 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 11 Mar 2021 17:50:14 +0800 Message-ID: <1615456214.25662.62.camel@mhfsdcap03> Subject: Re: [v8,5/7] PCI: mediatek-gen3: Add MSI support From: Jianjun Wang To: Marc Zyngier , Pali =?ISO-8859-1?Q?Roh=E1r?= CC: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Ryder Lee , Philipp Zabel , "Matthias Brugger" , , , , , , "Sj Huang" , , , , , , , Date: Thu, 11 Mar 2021 17:50:14 +0800 In-Reply-To: References: <20210224061132.26526-1-jianjun.wang@mediatek.com> <20210224061132.26526-6-jianjun.wang@mediatek.com> <20210311000555.epypouwxdbql2aqx@pali> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: F9A112B6DED8DAAFAF6E68A112F27E84405F5EF3E9F86C2A91FF46CE880EBB382000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210311_095025_533122_5B03D618 X-CRM114-Status: GOOD ( 16.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVGh1LCAyMDIxLTAzLTExIGF0IDA4OjE5ICswMDAwLCBNYXJjIFp5bmdpZXIgd3JvdGU6DQo+ IE9uIDIwMjEtMDMtMTEgMDA6MDUsIFBhbGkgUm9ow6FyIHdyb3RlOg0KPiA+IE9uIFdlZG5lc2Rh eSAyNCBGZWJydWFyeSAyMDIxIDE0OjExOjMwIEppYW5qdW4gV2FuZyB3cm90ZToNCj4gPj4gK3N0 YXRpYyBpbnQgbXRrX21zaV9ib3R0b21fZG9tYWluX2FsbG9jKHN0cnVjdCBpcnFfZG9tYWluICpk b21haW4sDQo+ID4+ICsJCQkJICAgICAgIHVuc2lnbmVkIGludCB2aXJxLCB1bnNpZ25lZCBpbnQg bnJfaXJxcywNCj4gPj4gKwkJCQkgICAgICAgdm9pZCAqYXJnKQ0KPiA+PiArew0KPiA+PiArCXN0 cnVjdCBtdGtfcGNpZV9wb3J0ICpwb3J0ID0gZG9tYWluLT5ob3N0X2RhdGE7DQo+ID4+ICsJc3Ry dWN0IG10a19tc2lfc2V0ICptc2lfc2V0Ow0KPiA+PiArCWludCBpLCBod2lycSwgc2V0X2lkeDsN Cj4gPj4gKw0KPiA+PiArCW11dGV4X2xvY2soJnBvcnQtPmxvY2spOw0KPiA+PiArDQo+ID4+ICsJ aHdpcnEgPSBiaXRtYXBfZmluZF9mcmVlX3JlZ2lvbihwb3J0LT5tc2lfaXJxX2luX3VzZSwgDQo+ ID4+IFBDSUVfTVNJX0lSUVNfTlVNLA0KPiA+PiArCQkJCQlvcmRlcl9iYXNlXzIobnJfaXJxcykp Ow0KPiA+PiArDQo+ID4+ICsJbXV0ZXhfdW5sb2NrKCZwb3J0LT5sb2NrKTsNCj4gPj4gKw0KPiA+ PiArCWlmIChod2lycSA8IDApDQo+ID4+ICsJCXJldHVybiAtRU5PU1BDOw0KPiA+PiArDQo+ID4+ ICsJc2V0X2lkeCA9IGh3aXJxIC8gUENJRV9NU0lfSVJRU19QRVJfU0VUOw0KPiA+PiArCW1zaV9z ZXQgPSAmcG9ydC0+bXNpX3NldHNbc2V0X2lkeF07DQo+ID4+ICsNCj4gPj4gKwlmb3IgKGkgPSAw OyBpIDwgbnJfaXJxczsgaSsrKQ0KPiA+PiArCQlpcnFfZG9tYWluX3NldF9pbmZvKGRvbWFpbiwg dmlycSArIGksIGh3aXJxICsgaSwNCj4gPj4gKwkJCQkgICAgJm10a19tc2lfYm90dG9tX2lycV9j aGlwLCBtc2lfc2V0LA0KPiA+PiArCQkJCSAgICBoYW5kbGVfZWRnZV9pcnEsIE5VTEwsIE5VTEwp Ow0KPiA+PiArDQo+ID4+ICsJcmV0dXJuIDA7DQo+ID4+ICt9DQo+ID4+ICsNCj4gPj4gK3N0YXRp YyB2b2lkIG10a19tc2lfYm90dG9tX2RvbWFpbl9mcmVlKHN0cnVjdCBpcnFfZG9tYWluICpkb21h aW4sDQo+ID4+ICsJCQkJICAgICAgIHVuc2lnbmVkIGludCB2aXJxLCB1bnNpZ25lZCBpbnQgbnJf aXJxcykNCj4gPj4gK3sNCj4gPj4gKwlzdHJ1Y3QgbXRrX3BjaWVfcG9ydCAqcG9ydCA9IGRvbWFp bi0+aG9zdF9kYXRhOw0KPiA+PiArCXN0cnVjdCBpcnFfZGF0YSAqZGF0YSA9IGlycV9kb21haW5f Z2V0X2lycV9kYXRhKGRvbWFpbiwgdmlycSk7DQo+ID4+ICsNCj4gPj4gKwltdXRleF9sb2NrKCZw b3J0LT5sb2NrKTsNCj4gPj4gKw0KPiA+PiArCWJpdG1hcF9jbGVhcihwb3J0LT5tc2lfaXJxX2lu X3VzZSwgZGF0YS0+aHdpcnEsIG5yX2lycXMpOw0KPiA+IA0KPiA+IE1hcmMsIHNob3VsZCBub3Qg YmUgdGhlcmUgYml0bWFwX3JlbGVhc2VfcmVnaW9uKCkgd2l0aCBvcmRlcl9iYXNlXzIoKT8NCj4g PiANCj4gPiBiaXRtYXBfcmVsZWFzZV9yZWdpb24ocG9ydC0+bXNpX2lycV9pbl91c2UsIGRhdGEt Pmh3aXJxLCANCj4gPiBvcmRlcl9iYXNlXzIobnJfaXJxcykpOw0KPiA+IA0KPiA+IEJlY2F1c2Ug bXRrX21zaV9ib3R0b21fZG9tYWluX2FsbG9jKCkgaXMgYWxsb2NhdGluZw0KPiA+IG9yZGVyX2Jh c2VfMihucl9pcnFzKSBpbnRlcnJ1cHRzLCBub3Qgb25seSBucl9pcnFzLg0KPiANCj4gSW5kZWVk LCBnb29kIGNhdGNoLg0KDQpJIHdpbGwgZml4IGl0IGluIHRoZSBuZXh0IHZlcnNpb24sIHRoYW5r cyBmb3IgeW91ciByZXZpZXcuDQoNCj4gDQo+IFRoYW5rcywNCj4gDQo+ICAgICAgICAgIE0uDQoN Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFy bS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1r ZXJuZWwK