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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 24F86EB64DC for ; Thu, 20 Jul 2023 16:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=P9QkTmJD4+bY4dWUUYVGrMPFYjH3ThQ/1ci0QZp9Ozk=; b=mc5cCqVl7kX20w vMsGsL2ZXLexmilHS+Ztu/EPY7eXvHTNbXV9LSmPGyh5OOtWdGlRsTukYw6VBBSZopt18Y8hALiGp 1V3QC8ANhakTMqVLg8bpQ/Q8iGicm4ryNEESCGGPkSdEyM93XO8vb2B2L0BvGiYt8ODLmyXbbPfxX ivZKO7vdvAhGBTcnp7DGxGBnjrKxsx3ILanu8Drw8+MwuUlWm/ICUrCEDnY81tm7LqLnw2WLdSrxh RuhlNXoyblBAxaASMq2aC2W/OqhI/2sP8ruxm21QMV89jqP3jIVYYhK6XeUC7E9Ur9bEoHpPPwjrX JsMQpk86vCbsoNVs69Eg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qMWC8-00BdZh-1q; Thu, 20 Jul 2023 16:08:00 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qMWC5-00BdZ7-0f for linux-arm-kernel@lists.infradead.org; Thu, 20 Jul 2023 16:07:58 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 655BA61B4E; Thu, 20 Jul 2023 16:07:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07552C433C8; Thu, 20 Jul 2023 16:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689869275; bh=Ou2Mh5nraWXlzNwKruRqfrLeoeDKp8beV04BRuHhYwo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QDPRzplSB7rDPnYbyMPv7JcU43dmdgPKHwR+inxmoJlN/LC+4kmsPvpf8Knct6shU sCOH6u11Hx9i/jQ2yC4biJjDAzRXm5N8sqvIwdD4VEWrj/C4+YWp7EsyQpdfxpT6ET tzeaLBWvvINiKVnxRMtgpdevhG222aUIR+jswm5aaKFNKFPVn0GiCjEoHjmol1oReF I+gfEBo9fvPHIYRqyQdoo26D7Hm05LZYqdQctEY8AmxDINlc1Ndus9EtZSsuf2xrcd zWHtOCKOf76wMwe+Fm2eio8zTnhLH4lMCKp6zTr3VlFwhJ88+I6HjXJjBmaL7m6z5x ddQTciqQJmiKg== Date: Thu, 20 Jul 2023 21:37:38 +0530 From: Manivannan Sadhasivam To: Frank Li Cc: Manivannan Sadhasivam , helgaas@kernel.org, imx@lists.linux.dev, bhelgaas@google.com, devicetree@vger.kernel.org, gustavo.pimentel@synopsys.com, kw@linux.com, leoyang.li@nxp.com, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lorenzo.pieralisi@arm.com, minghuan.lian@nxp.com, mingkai.hu@nxp.com, robh+dt@kernel.org, roy.zang@nxp.com, shawnguo@kernel.org, zhiqiang.hou@nxp.com Subject: Re: [PATCH v3 1/2] PCI: dwc: Implement general suspend/resume functionality for L2/L3 transitions Message-ID: <20230720160738.GC48270@thinkpad> References: <20230419164118.596300-1-Frank.Li@nxp.com> <20230717164526.GC35455@thinkpad> <20230718100400.GB4771@thinkpad> <20230720142509.GB48270@thinkpad> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230720_090757_348064_6011409C X-CRM114-Status: GOOD ( 21.83 ) 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 T24gVGh1LCBKdWwgMjAsIDIwMjMgYXQgMTA6Mzc6MzZBTSAtMDQwMCwgRnJhbmsgTGkgd3JvdGU6 Cj4gT24gVGh1LCBKdWwgMjAsIDIwMjMgYXQgMDc6NTU6MDlQTSArMDUzMCwgTWFuaXZhbm5hbiBT YWRoYXNpdmFtIHdyb3RlOgo+ID4gT24gVHVlLCBKdWwgMTgsIDIwMjMgYXQgMDM6MzQ6MjZQTSAr MDUzMCwgTWFuaXZhbm5hbiBTYWRoYXNpdmFtIHdyb3RlOgo+ID4gPiBPbiBNb24sIEp1bCAxNywg MjAyMyBhdCAwMjozNjoxOVBNIC0wNDAwLCBGcmFuayBMaSB3cm90ZToKPiA+ID4gPiBPbiBNb24s IEp1bCAxNywgMjAyMyBhdCAxMDoxNToyNlBNICswNTMwLCBNYW5pdmFubmFuIFNhZGhhc2l2YW0g d3JvdGU6Cj4gPiA+ID4gPiBPbiBXZWQsIEFwciAxOSwgMjAyMyBhdCAxMjo0MToxN1BNIC0wNDAw LCBGcmFuayBMaSB3cm90ZToKPiA+ID4gPiA+ID4gSW50cm9kdWNlZCBoZWxwZXIgZnVuY3Rpb24g ZHdfcGNpZV9nZXRfbHRzc20gdG8gcmV0cmlldmUgU01MSF9MVFNTX1NUQVRFLgo+ID4gPiA+ID4g PiBBZGRlZCBBUEkgcG1lX3R1cm5fb2ZmIGFuZCBleGl0X2Zyb21fbDIgZm9yIG1hbmFnaW5nIEwy L0wzIHN0YXRlIHRyYW5zaXRpb25zLgo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gVHlwaWNhbCBM MiBlbnRyeSB3b3JrZmxvdzoKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IDEuIFRyYW5zbWl0IFBN RSB0dXJuIG9mZiBzaWduYWwgdG8gUENJIGRldmljZXMuCj4gPiA+ID4gPiA+IDIuIEF3YWl0IGxp bmsgZW50ZXJpbmcgTDJfSURMRSBzdGF0ZS4KPiA+ID4gPiA+IAo+ID4gPiA+ID4gQUZBSUssIHR5 cGljYWwgd29ya2Zsb3cgaXMgdG8gd2FpdCBmb3IgUE1FX1RvX0Fjay4KPiA+ID4gPiAKPiA+ID4g PiAxIEFscmVhZHkgd2FpdCBmb3IgUE1FX3RvX0FDSywgIDIsIGp1c3Qgd2FpdCBmb3IgbGluayBh Y3R1YWwgZW50ZXIgTDIuCj4gPiA+ID4gSSB0aGluayBQQ0kgUkMgbmVlZHMgc29tZSB0aW1lIHRv IHNldCBsaW5rIGVudGVyIEwyIGFmdGVyIGdldCBBQ0sgZnJvbQo+ID4gPiA+IFBNRS4KPiA+ID4g PiAKPiA+IAo+ID4gT25lIG1vcmUgY29tbWVudC4gSWYgeW91IHRyYW5zaXRpb24gdGhlIGRldmlj ZSB0byBMMi9MMywgdGhlbiBpdCBjYW4gbG9vc2UgcG93ZXIKPiA+IGlmIFZhdXggd2FzIG5vdCBw cm92aWRlZC4gSW4gdGhhdCBjYXNlLCBjYW4gYWxsIHRoZSBkZXZpY2VzIHdvcmsgYWZ0ZXIgcmVz dW1lPwo+ID4gTW9zdCBub3RhYmx5IE5WTWU/Cj4gCj4gSSBoYXZlIG5vdCBoYXJkd2FyZSB0byBk byBzdWNoIHRlc3QsIE5WTWUgZHJpdmVyIHdpbGwgcmVpbml0IGV2ZXJ5dGhpbmcgYWZ0ZXIKPiBy ZXN1bWUgaWYgbm8gTDEuMVxMMS4yIHN1cHBvcnQuIElmIHRoZXJlIGFyZSBMMS4xXEwxLjIsIE5W TUUgZXhwZWN0IGl0IGxlYXZlCj4gYXQgTDEuMiBhdCBzdXNwZW5kIHRvIGdldCBiZXR0ZXIgcmVz dW1lIGxhdGVuY3kuCj4gCgpUbyBiZSBwcmVjaXNlLCBOVk1lIGRyaXZlciB3aWxsIHNodXRkb3du IHRoZSBkZXZpY2UgaWYgdGhlcmUgaXMgbm8gQVNQTSBzdXBwb3J0CmFuZCBrZWVwIGl0IGluIGxv dyBwb3dlciBtb2RlIG90aGVyd2lzZSAodGhlcmUgYXJlIG90aGVyIGNhc2VzIGFzIHdlbGwgYnV0 IHdlIGRvCm5vdCBuZWVkIHRvIHdvcnJ5KS4KCkJ1dCBoZXJlIHlvdSBhcmUgbm90IGNoZWNraW5n IGZvciBBU1BNIHN0YXRlIGluIHRoZSBzdXNwZW5kIHBhdGgsIGFuZCBqdXN0CmZvcmNpbmcgdGhl IGxpbmsgdG8gYmUgaW4gTDIvTDMgKHRoZXJlYnkgRDNDb2xkKSBldmVuIHRob3VnaCBOVk1lIGRy aXZlciBtYXkKZXhwZWN0IGl0IHRvIGJlIGluIGxvdyBwb3dlciBzdGF0ZSBsaWtlIEFTUE0vQVBT VC4KClNvIHlvdSBzaG91bGQgb25seSBwdXQgdGhlIGxpbmsgdG8gTDIvTDMgaWYgdGhlcmUgaXMg bm8gQVNQTSBzdXBwb3J0LiBPdGhlcndpc2UsCnlvdSdsbCBlbmRpbmcgdXAgd2l0aCBidWcgcmVw b3J0cyB3aGVuIHVzZXJzIGNvbm5lY3QgTlZNZSB0byBpdC4KCi0gTWFuaQoKPiBUaGlzIEFQSSBo ZWxwIHJlbW92ZSBkdXBsaWNhdGUgY29kZXMgYW5kIGl0IGNhbiBiZSBpbXByb3ZlZCBncmFkdWFs bHkuCj4gCj4gCj4gPiAKPiA+IC0gTWFuaQo+ID4gCj4gPiAKPiA+IC0tIAo+ID4g4K6u4K6j4K6/ 4K614K6j4K+N4K6j4K6p4K+NIOCumuCupOCuvuCumuCuv+CuteCuruCvjQoKLS0gCuCuruCuo+Cu v+CuteCuo+CvjeCuo+CuqeCvjSDgrprgrqTgrr7grprgrr/grrXgrq7gr40KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFp bGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK