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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AF68C433EF for ; Tue, 12 Oct 2021 07:56:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 181E360E05 for ; Tue, 12 Oct 2021 07:56:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234264AbhJLH65 (ORCPT ); Tue, 12 Oct 2021 03:58:57 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:32624 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234071AbhJLH64 (ORCPT ); Tue, 12 Oct 2021 03:58:56 -0400 X-UUID: b30b6fa905654b719d555b87d7ddde5f-20211012 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=42MbtHaE4DAIiMKFHplZ1S3Y2/ONK7RbeH5lUTmtMs0=; b=RjCZeK0+NnCxJC/Yb5ee9eDnUp6w78qpCLyS2N9etm6bu3Y9XWu0v602eII8DhfVoo1BgprOt28EUtLWG1xy6tpRpGNc0HYjsYzvcbJHDGOyizTjZuanhfQWjlV/xTmU7XFen7WtSvEA1AQc4agLrL4lsC4cF79obkEI4PEdl4c=; X-UUID: b30b6fa905654b719d555b87d7ddde5f-20211012 Received: from mtkcas36.mediatek.inc [(172.27.5.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 15761383; Tue, 12 Oct 2021 15:56:52 +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; Tue, 12 Oct 2021 15:56:49 +0800 Received: from mcddlt001.gcn.mediatek.inc (10.19.240.15) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 12 Oct 2021 15:56:48 +0800 From: To: , CC: , , , , , , , , , , , , Subject: [v5] PCI: Avoid unsync of LTR mechanism configuration Date: Tue, 12 Oct 2021 15:56:14 +0800 Message-ID: <20211012075614.54576-1-mingchuang.qiao@mediatek.com> X-Mailer: git-send-email 2.17.0 MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 641A7F88397021256AFDB3C2C859A85B7615E10DB2369B6D7FA859C9FBF72CAB2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org RnJvbTogTWluZ2NodWFuZyBRaWFvIDxtaW5nY2h1YW5nLnFpYW9AbWVkaWF0ZWsuY29tPg0KDQpJ biBidXMgc2NhbiBmbG93LCB0aGUgIkxUUiBNZWNoYW5pc20gRW5hYmxlIiBiaXQgb2YgREVWQ1RM MiByZWdpc3RlciBpcw0KY29uZmlndXJlZCBpbiBwY2lfY29uZmlndXJlX2x0cigpLiBJZiBkZXZp Y2UgYW5kIGJyaWRnZSBib3RoIHN1cHBvcnQgTFRSDQptZWNoYW5pc20sIHRoZSAiTFRSIE1lY2hh bmlzbSBFbmFibGUiIGJpdCBvZiBkZXZpY2UgYW5kIGJyaWRnZSB3aWxsIGJlDQplbmFibGVkIGlu IERFVkNUTDIgcmVnaXN0ZXIuIEFuZCBwY2lfZGV2LT5sdHJfcGF0aCB3aWxsIGJlIHNldCBhcyAx Lg0KDQpJZiBQQ0llIGxpbmsgZ29lcyBkb3duLCB0aGUgIkxUUiBNZWNoYW5pc20gRW5hYmxlIiBi aXQgb2YgYnJpZGdlIHdpbGwgDQpjaGFuZ2UgdG8gMCBhY2NvcmRpbmcgdG8gUENJZSByNS4wLCBz ZWMgNy41LjMuMTYuIEhvd2V2ZXIsIHRoZSAtPmx0cl9wYXRoIA0Kb2YgYnJpZGdlIGlzIHN0aWxs IHNldC4NCg0KRm9sbG93aW5nIHNob3dzIHR3byBzY2VuYXJpb3Mgb2YgdGhpcyBMVFIgaXNzdWU6 DQoNCi1zY2VuYXJpbyBvZiBkZXZpY2UgcmVzdG9yZQ0KIC0tIGJyaWRnZSBMVFIgZW5hYmxlZA0K IC0tIGRldmljZSBMVFIgZW5hYmxlZA0KIC0tIHJlc2V0IGRldmljZQ0KIC0tIGxpbmsgZ29lcyBk b3duLCBicmlkZ2UgZGlzYWJsZXMgTFRSDQogLS0gbGluayBjb21lcyBiYWNrIHVwLCBMVFIgZGlz YWJsZWQgaW4gYm90aCBicmlkZ2UgYW5kIGRldmljZQ0KIC0tIHJlc3RvcmUgZGV2aWNlIHN0YXRl LCBpbmNsdWRpbmcgTFRSIGVuYWJsZQ0KIC0tIGRldmljZSBzZW5kcyBMVFIgbWVzc2FnZQ0KIC0t IGJyaWRnZSByZXBvcnRzIFVuc3VwcG9ydGVkIFJlcXVlc3QNCg0KLXNjZW5hcmlvIG9mIGRldmlj ZSBob3QtcmVtb3ZlL2hvdC1hZGQNCiAtLSBicmlkZ2UgTFRSIGVuYWJsZWQNCiAtLSBkZXZpY2Ug TFRSIGVuYWJsZWQNCiAtLSBob3QtcmVtb3ZlIGRldmljZQ0KIC0tIGxpbmsgZ29lcyBkb3duLCBi cmlkZ2UgZGlzYWJsZXMgTFRSDQogLS0gaG90LWFkZCBkZXZpY2UgYW5kIGxpbmsgY29tZXMgYmFj ayB1cA0KIC0tIHNjYW4gZGV2aWNlLCBzZXQgTFRSIGVuYWJsZSBiaXQgb2YgZGV2aWNlDQogLS0g ZGV2aWNlIHNlbmRzIExUUiBtZXNzYWdlDQogLS0gYnJpZGdlIHJlcG9ydHMgVW5zdXBwb3J0ZWQg UmVxdWVzdA0KDQpUaGlzIGlzc3VlIHdhcyBub3RpY2VkIGJ5IEFFUiBsb2cgYXMgZm9sbG93aW5n IHNob3dzOg0KcGNpZXBvcnQgMDAwMDowMDoxZC4wOiBBRVI6IFVuY29ycmVjdGVkIChOb24tRmF0 YWwpIGVycm9yIHJlY2VpdmVkOiBpZD0wMGU4DQpwY2llcG9ydCAwMDAwOjAwOjFkLjA6IFBDSWUg QnVzIEVycm9yOiBzZXZlcml0eT1VbmNvcnJlY3RlZCAoTm9uLUZhdGFsKSwgDQp0eXBlPVRyYW5z YWN0aW9uIExheWVyLCBpZD0wMGU4KFJlcXVlc3RlciBJRCkNCnBjaWVwb3J0IDAwMDA6MDA6MWQu MDogICBkZXZpY2UgWzgwODY6OWQxOF0gZXJyb3IgDQpzdGF0dXMvbWFzaz0wMDEwMDAwMC8wMDAx MDAwMA0KcGNpZXBvcnQgMDAwMDowMDoxZC4wOiAgICBbMjBdIFVuc3VwcG9ydGVkIFJlcXVlc3Qg ICAgKEZpcnN0KQ0KDQpJdCB3YXMgYWxzbyBub3RpY2VkIHdoZW4gUENJZSBkZXZpY2VzICh0aHVu ZGVyYm9sdCBkb2Nrcykgd2VyZSBob3QgcmVtb3ZlZCANCmZyb20gY2hyb21lYm9va3MsIGFuZCB0 aGVuIGhvdC1wbHVnZ2VkIGJhY2sgYWdhaW4uIE9uY2UgaG90cGx1Z2dlZCBiYWNrLCANCnRoZSBu ZXdlciBJbnRlbCBjaHJvbWVib29rcyBmYWlsIHRvIGdvIGludG8gUzBpeCBsb3cgcG93ZXIgc3Rh dGUgYmVjYXVzZSANCm9mIHRoaXMgTFRSIGlzc3VlLihodHRwczovL3BhdGNod29yay5rZXJuZWwu b3JnL3Byb2plY3QvbGludXgtcGNpL3BhdGNoLw0KMjAyMTAyMDQwOTUxMjUuOTIxMi0xLW1pbmdj aHVhbmcucWlhb0BtZWRpYXRlay5jb20vKQ0KDQpUbyByZXNvbHZlIHRoaXMgaXNzdWUsIGNoZWNr IGFuZCByZS1jb25maWd1cmUgIkxUUiBNZWNoYW5pc20gRW5hYmxlIiBiaXQNCm9mIGJyaWRnZSB0 byBtYWtlICJMVFIgTWVjaGFuaXNtIEVuYWJsZSIgYml0IG1hdGNoIGx0cl9wYXRoIHZhbHVlIGlu DQpmb2xsb3dpbmcgY29uZGl0aW9ucy4NCiAgIC1iZWZvcmUgY29uZmlndXJpbmcgZGV2aWNlJ3Mg TFRSIGZvciBob3QtcmVtb3ZlL2hvdC1hZGQNCiAgIC1iZWZvcmUgcmVzdG9yaW5nIGRldmljZSdz IERFVkNUTDIgcmVnaXN0ZXIgd2hlbiByZXN0b3JlIGRldmljZSBzdGF0ZQ0KDQpSZXZpZXdlZC1i eTogTWlrYSBXZXN0ZXJiZXJnIDxtaWthLndlc3RlcmJlcmdAbGludXguaW50ZWwuY29tPg0KU2ln bmVkLW9mZi1ieTogTWluZ2NodWFuZyBRaWFvIDxtaW5nY2h1YW5nLnFpYW9AbWVkaWF0ZWsuY29t Pg0KLS0tDQpjaGFuZ2VzIG9mIHY1DQogLWFkZCBtb3JlIGRldGFpbHMgaW4gY29tbWl0IG1lc3Nh Z2UNCmNoYW5nZXMgb2YgdjQNCiAtZml4IHR5cG8gb2YgY29tbWl0IG1lc3NhZ2UNCiAtcmVuYW1l OiBwY2lfcmVjb25maWd1cmVfYnJpZGdlX2x0cigpLT5wY2lfYnJpZGdlX3JlY29uZmlndXJlX2x0 cigpDQpjaGFuZ2VzIG9mIHYzDQogLWNhbGwgcGNpX3JlY29uZmlndXJlX2JyaWRnZV9sdHIoKSBp biBwcm9iZS5jDQpjaGFuZ2VzIG9mIHYyDQogLW1vZGlmeSBwYXRjaCBkZXNjcmlwdGlvbg0KIC1y ZWNvbmZpZ3VyZSBicmlkZ2UncyBMVFIgYmVmb3JlIHJlc3RvcmluZyBkZXZpY2UgREVWQ1RMMiBy ZWdpc3Rlcg0KLS0tDQogZHJpdmVycy9wY2kvcGNpLmMgICB8IDI1ICsrKysrKysrKysrKysrKysr KysrKysrKysNCiBkcml2ZXJzL3BjaS9wY2kuaCAgIHwgIDEgKw0KIGRyaXZlcnMvcGNpL3Byb2Jl LmMgfCAxMyArKysrKysrKysrLS0tDQogMyBmaWxlcyBjaGFuZ2VkLCAzNiBpbnNlcnRpb25zKCsp LCAzIGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9wY2kvcGNpLmMgYi9kcml2 ZXJzL3BjaS9wY2kuYw0KaW5kZXggYjlmZWNjMjVkMjEzLi42YmY2NWQyOTUzMzEgMTAwNjQ0DQot LS0gYS9kcml2ZXJzL3BjaS9wY2kuYw0KKysrIGIvZHJpdmVycy9wY2kvcGNpLmMNCkBAIC0xNDM3 LDYgKzE0MzcsMjQgQEAgc3RhdGljIGludCBwY2lfc2F2ZV9wY2llX3N0YXRlKHN0cnVjdCBwY2lf ZGV2ICpkZXYpDQogCXJldHVybiAwOw0KIH0NCiANCit2b2lkIHBjaV9icmlkZ2VfcmVjb25maWd1 cmVfbHRyKHN0cnVjdCBwY2lfZGV2ICpkZXYpDQorew0KKyNpZmRlZiBDT05GSUdfUENJRUFTUE0N CisJc3RydWN0IHBjaV9kZXYgKmJyaWRnZTsNCisJdTMyIGN0bDsNCisNCisJYnJpZGdlID0gcGNp X3Vwc3RyZWFtX2JyaWRnZShkZXYpOw0KKwlpZiAoYnJpZGdlICYmIGJyaWRnZS0+bHRyX3BhdGgp IHsNCisJCXBjaWVfY2FwYWJpbGl0eV9yZWFkX2R3b3JkKGJyaWRnZSwgUENJX0VYUF9ERVZDVEwy LCAmY3RsKTsNCisJCWlmICghKGN0bCAmIFBDSV9FWFBfREVWQ1RMMl9MVFJfRU4pKSB7DQorCQkJ cGNpX2RiZyhicmlkZ2UsICJyZS1lbmFibGluZyBMVFJcbiIpOw0KKwkJCXBjaWVfY2FwYWJpbGl0 eV9zZXRfd29yZChicmlkZ2UsIFBDSV9FWFBfREVWQ1RMMiwNCisJCQkJCQkgUENJX0VYUF9ERVZD VEwyX0xUUl9FTik7DQorCQl9DQorCX0NCisjZW5kaWYNCit9DQorDQogc3RhdGljIHZvaWQgcGNp X3Jlc3RvcmVfcGNpZV9zdGF0ZShzdHJ1Y3QgcGNpX2RldiAqZGV2KQ0KIHsNCiAJaW50IGkgPSAw Ow0KQEAgLTE0NDcsNiArMTQ2NSwxMyBAQCBzdGF0aWMgdm9pZCBwY2lfcmVzdG9yZV9wY2llX3N0 YXRlKHN0cnVjdCBwY2lfZGV2ICpkZXYpDQogCWlmICghc2F2ZV9zdGF0ZSkNCiAJCXJldHVybjsN CiANCisJLyoNCisJICogRG93bnN0cmVhbSBwb3J0cyByZXNldCB0aGUgTFRSIGVuYWJsZSBiaXQg d2hlbiBsaW5rIGdvZXMgZG93bi4NCisJICogQ2hlY2sgYW5kIHJlLWNvbmZpZ3VyZSB0aGUgYml0 IGhlcmUgYmVmb3JlIHJlc3RvcmluZyBkZXZpY2UuDQorCSAqIFBDSWUgcjUuMCwgc2VjIDcuNS4z LjE2Lg0KKwkgKi8NCisJcGNpX2JyaWRnZV9yZWNvbmZpZ3VyZV9sdHIoZGV2KTsNCisNCiAJY2Fw ID0gKHUxNiAqKSZzYXZlX3N0YXRlLT5jYXAuZGF0YVswXTsNCiAJcGNpZV9jYXBhYmlsaXR5X3dy aXRlX3dvcmQoZGV2LCBQQ0lfRVhQX0RFVkNUTCwgY2FwW2krK10pOw0KIAlwY2llX2NhcGFiaWxp dHlfd3JpdGVfd29yZChkZXYsIFBDSV9FWFBfTE5LQ1RMLCBjYXBbaSsrXSk7DQpkaWZmIC0tZ2l0 IGEvZHJpdmVycy9wY2kvcGNpLmggYi9kcml2ZXJzL3BjaS9wY2kuaA0KaW5kZXggNWM1OTM2NTA5 MmZhLi5iM2E1ZTUyODdjYjcgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL3BjaS9wY2kuaA0KKysrIGIv ZHJpdmVycy9wY2kvcGNpLmgNCkBAIC0xMTEsNiArMTExLDcgQEAgdm9pZCBwY2lfZnJlZV9jYXBf c2F2ZV9idWZmZXJzKHN0cnVjdCBwY2lfZGV2ICpkZXYpOw0KIGJvb2wgcGNpX2JyaWRnZV9kM19w b3NzaWJsZShzdHJ1Y3QgcGNpX2RldiAqZGV2KTsNCiB2b2lkIHBjaV9icmlkZ2VfZDNfdXBkYXRl KHN0cnVjdCBwY2lfZGV2ICpkZXYpOw0KIHZvaWQgcGNpX2JyaWRnZV93YWl0X2Zvcl9zZWNvbmRh cnlfYnVzKHN0cnVjdCBwY2lfZGV2ICpkZXYpOw0KK3ZvaWQgcGNpX2JyaWRnZV9yZWNvbmZpZ3Vy ZV9sdHIoc3RydWN0IHBjaV9kZXYgKmRldik7DQogDQogc3RhdGljIGlubGluZSB2b2lkIHBjaV93 YWtldXBfZXZlbnQoc3RydWN0IHBjaV9kZXYgKmRldikNCiB7DQpkaWZmIC0tZ2l0IGEvZHJpdmVy cy9wY2kvcHJvYmUuYyBiL2RyaXZlcnMvcGNpL3Byb2JlLmMNCmluZGV4IDk1M2YxNWFiYzg1MC4u YWRlMDU1ZTlmYjU4IDEwMDY0NA0KLS0tIGEvZHJpdmVycy9wY2kvcHJvYmUuYw0KKysrIGIvZHJp dmVycy9wY2kvcHJvYmUuYw0KQEAgLTIxMzIsOSArMjEzMiwxNiBAQCBzdGF0aWMgdm9pZCBwY2lf Y29uZmlndXJlX2x0cihzdHJ1Y3QgcGNpX2RldiAqZGV2KQ0KIAkgKiBDb21wbGV4IGFuZCBhbGwg aW50ZXJtZWRpYXRlIFN3aXRjaGVzIGluZGljYXRlIHN1cHBvcnQgZm9yIExUUi4NCiAJICogUENJ ZSByNC4wLCBzZWMgNi4xOC4NCiAJICovDQotCWlmIChwY2lfcGNpZV90eXBlKGRldikgPT0gUENJ X0VYUF9UWVBFX1JPT1RfUE9SVCB8fA0KLQkgICAgKChicmlkZ2UgPSBwY2lfdXBzdHJlYW1fYnJp ZGdlKGRldikpICYmDQotCSAgICAgIGJyaWRnZS0+bHRyX3BhdGgpKSB7DQorCWlmIChwY2lfcGNp ZV90eXBlKGRldikgPT0gUENJX0VYUF9UWVBFX1JPT1RfUE9SVCkgew0KKwkJcGNpZV9jYXBhYmls aXR5X3NldF93b3JkKGRldiwgUENJX0VYUF9ERVZDVEwyLA0KKwkJCQkJIFBDSV9FWFBfREVWQ1RM Ml9MVFJfRU4pOw0KKwkJZGV2LT5sdHJfcGF0aCA9IDE7DQorCQlyZXR1cm47DQorCX0NCisNCisJ YnJpZGdlID0gcGNpX3Vwc3RyZWFtX2JyaWRnZShkZXYpOw0KKwlpZiAoYnJpZGdlICYmIGJyaWRn ZS0+bHRyX3BhdGgpIHsNCisJCXBjaV9icmlkZ2VfcmVjb25maWd1cmVfbHRyKGRldik7DQogCQlw Y2llX2NhcGFiaWxpdHlfc2V0X3dvcmQoZGV2LCBQQ0lfRVhQX0RFVkNUTDIsDQogCQkJCQkgUENJ X0VYUF9ERVZDVEwyX0xUUl9FTik7DQogCQlkZXYtPmx0cl9wYXRoID0gMTsNCi0tIA0KMi4xOC4w DQo=