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 BB466CA5FC7 for ; Wed, 30 Sep 2026 15:06:24 +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:MIME-Version:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: References:In-Reply-To:Cc:To:Subject:From:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QeLAeJpdY2YTiwC+JDXtubO1WjY+YvHyrdK8TuDxyxA=; b=Rd6aeai094HLHm Yc/1EZe+vuPEXaV5X3aHEV2aYamZRb/YRkNJ5OhNnkhcTcBkT3QGbXz8nCOjU5iop6XxJXpWTf3jO svfKAL14JD/Mr4JwYdMn4xNsikLI2tFjP7fs7EM40WNJdCN+tcxHFGNEMXDW3+9+e0iSbHqyMvsCC JIIoiOq13h3XejmSqaqPARWH20cAn3nxNAEMPWCwXfXEHukPrdUGrReBYaklGPnDC/SbKn4Rs9kI/ JPNkJJtnRjgnQ9152+jH93QxTopHmzZxQ85owyYGaCTHYNuQcwdEvAr2YS4uev+RIsZ7jD8G2/0NS pCETCNdXvmV2ifaj9THg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBvsy-00000006QQe-16Uv; Wed, 30 Sep 2026 15:06:20 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBvsx-00000006QQU-1Ewj for linux-amlogic@lists.infradead.org; Wed, 30 Sep 2026 15:06:19 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 65E1660008; Wed, 30 Sep 2026 15:06:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE88A1F000FF; Wed, 30 Sep 2026 15:06:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790780778; bh=Q9QfSuVvRZW99z8e8L2TYXnqUAq9jufmC8kej6tIPIE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Z2OfiafdlavXjAQ7CGObUxCzd7UylPzkKcsrMOwQSmT/e5iXr2t5yYawJP3kP39PD 4+XeSJBWw9JuT5A3t91wYtKnFjKzycfiT+OjLPSZNb+ErowS/IMUDHJlodeHZg2Hiz HBX5CWYmFQqhP7+AWgBrExZi8LLcbyJ93fATJwmXh7uzdoW83R73T2Pse0jMjeyXpF 6PHTEwavz2VIlKuNx+IapQJmScmaRCMyqtpXlsI6ZC6Kvvr+jwUGDhICT6GRF79gqH 0im1Rq/UxgF0PaX3hOg1HoKO0uBx3atekRLQ5MluhxCUHWpK8vXtNziBktO8Hdn9X7 R6B95rJqhfF4A== From: sashiko-bot@kernel.org Subject: Re: [RFC PATCH 3/4] PCI: Configure Root Port MPS after scanning its hierarchy To: "Niklas Cassel" Cc: linux-amlogic@lists.infradead.org, neil.armstrong@linaro.org, linux-pci@vger.kernel.org In-Reply-To: <20260930145017.1356088-9-cassel@kernel.org> References: <20260930145017.1356088-6-cassel@kernel.org> <20260930145017.1356088-9-cassel@kernel.org> Date: Wed, 30 Sep 2026 15:06:17 +0000 Message-Id: <20260930150617.CE88A1F000FF@smtp.kernel.org> X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org VGhhbmsgeW91IGZvciB5b3VyIGNvbnRyaWJ1dGlvbiEgU2FzaGlrbyBBSSByZXZpZXcgZm91bmQg MSBwb3RlbnRpYWwgaXNzdWUocykgdG8gY29uc2lkZXI6Ci0gW01lZGl1bV0gcGNpOiBpZ25vcmlu ZyBwY2llX3NldF9tcHMoKSBmYWlsdXJlcyBjYXVzZXMgaWxsZWdhbCBNUFMgdG9wb2xvZ3kKLS0K CmNvbW1pdCA2ZGFjOTlmNDc2ZmY3MzBhYjdkZDE0MDUxYjYyZTk0MDI4MDZiMzM5CkF1dGhvcjog TmlrbGFzIENhc3NlbCA8Y2Fzc2VsQGtlcm5lbC5vcmc+CgpQQ0k6IENvbmZpZ3VyZSBSb290IFBv cnQgTVBTIGFmdGVyIHNjYW5uaW5nIGl0cyBoaWVyYXJjaHkKClRoaXMgY29tbWl0IGludHJvZHVj ZXMgbG9naWMgdG8gcmFpc2UgdGhlIE1heGltdW0gUGF5bG9hZCBTaXplIChNUFMpIGZvciBSb290 ClBvcnRzIGFuZCB0aGVpciBkb3duc3RyZWFtIGhpZXJhcmNoaWVzIHRvIHRoZSBsYXJnZXN0IHN1 cHBvcnRlZCB2YWx1ZSBkdXJpbmcKc2Nhbm5pbmcgb3IgcmVzY2FuLiBJdCBhcHBsaWVzIHRvIFBD SUVfQlVTX0RFRkFVTFQgY29uZmlndXJhdGlvbnMgdG8gaW1wcm92ZQplZmZpY2llbmN5LiBJdCBh bHNvIGVuYWJsZXMgdGhlIEludGVsIHJlYWQgY29tcGxldGlvbiBjb2FsZXNjaW5nIHF1aXJrIGZv ciB0aGUKZGVmYXVsdCBNUFMgc3RyYXRlZ3kuCgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3BjaS9w cm9iZS5jIGIvZHJpdmVycy9wY2kvcHJvYmUuYwo+IGluZGV4IGQ4ZTU4ZTVlZjczMDkuLjVmMzdi NDgwYjUxZGYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9wY2kvcHJvYmUuYwo+ICsrKyBiL2RyaXZl cnMvcGNpL3Byb2JlLmMKClsgLi4uIF0KCj4gQEAgLTMwODMsNiArMzA4Myw4MiBAQCBzdGF0aWMg aW50IHBjaWVfYnVzX2NvbmZpZ3VyZV9zZXQoc3RydWN0IHBjaV9kZXYgKmRldiwgdm9pZCAqZGF0 YSkKPiAgCXJldHVybiAwOwo+ICB9Cj4gIAo+ICtzdGF0aWMgaW50IHBjaWVfcmFpc2VfbXBzKHN0 cnVjdCBwY2lfZGV2ICpkZXYsIHZvaWQgKmRhdGEpCj4gK3sKPiArCWludCBtcHMgPSAqKGludCAq KWRhdGE7Cj4gKwo+ICsJLyogTVBTIGlzIG9mIHR5cGUgJ1JzdmRQJyBmb3IgVkZzICovCj4gKwlp ZiAoIXBjaV9pc19wY2llKGRldikgfHwgZGV2LT5pc192aXJ0Zm4pCj4gKwkJcmV0dXJuIDA7Cj4g Kwo+ICsJaWYgKHBjaWVfZ2V0X21wcyhkZXYpIDwgbXBzICYmIHBjaWVfc2V0X21wcyhkZXYsIG1w cykpCj4gKwkJcGNpX2VycihkZXYsICJjYW4ndCBzZXQgTWF4IFBheWxvYWQgU2l6ZSB0byAlZFxu IiwgbXBzKTsKPiArCj4gKwlyZXR1cm4gMDsKPiArfQoKW1NldmVyaXR5OiBNZWRpdW1dCldoZW4g cGNpZV9zZXRfbXBzKCkgZmFpbHMgaW4gcGNpZV9yYWlzZV9tcHMoKSwgdGhpcyBlcnJvciBpcyBs b2dnZWQgYnV0CnN3YWxsb3dlZCBieSByZXR1cm5pbmcgMCB0byB0aGUgcGNpX3dhbGtfYnVzKCkg Y2FsbGJhY2sgbG9vcC4gRG9lcyB0aGlzIGFsbG93CnRoZSBsb29wIHRvIGNvbnRpbnVlIGFuZCBw b3RlbnRpYWxseSBjcmVhdGUgYW4gaWxsZWdhbCBNUFMgdG9wb2xvZ3kgd2hlcmUgYQpkb3duc3Ry ZWFtIGRldmljZSBpbmhlcml0cyBhIGxhcmdlciBNUFMgdGhhbiBpdHMgdXBzdHJlYW0gYnJpZGdl PwoKPiArCj4gKy8qCj4gKyAqIFdpdGggUENJRV9CVVNfREVGQVVMVCwgcGNpX2NvbmZpZ3VyZV9t cHMoKSBvbmx5IG1hdGNoZXMgZWFjaCBkZXZpY2UgdG8gaXRzCgpbIC4uLiBdCgo+ICsgKiBsZWF2 ZSBoaWVyYXJjaGllcyBhbG9uZSBvbmNlIGFueSBvZiB0aGVpciBkZXZpY2VzIG1heSBoYXZlIGEg ZHJpdmVyIGJvdW5kLgo+ICsgKi8KPiArc3RhdGljIHZvaWQgcGNpZV9idXNfcmFpc2VfZGVmYXVs dF9tcHMoc3RydWN0IHBjaV9idXMgKmJ1cykKPiArewo+ICsJc3RydWN0IHBjaV9kZXYgKnJwID0g YnVzLT5zZWxmOwo+ICsJdTggc21wc3MgPSBycC0+cGNpZV9tcHNzOwo+ICsJaW50IG1wcywgb2xk X21wczsKPiArCj4gKwlpZiAocGNpX3BjaWVfdHlwZShycCkgIT0gUENJX0VYUF9UWVBFX1JPT1Rf UE9SVCB8fAo+ICsJICAgIGxpc3RfZW1wdHkoJmJ1cy0+ZGV2aWNlcykgfHwgcGNpX2J1c19pbl91 c2UoYnVzKSkKPiArCQlyZXR1cm47Cj4gKwo+ICsJcGNpX3dhbGtfYnVzKGJ1cywgcGNpZV9maW5k X3NtcHNzLCAmc21wc3MpOwo+ICsJbXBzID0gMTI4IDw8IHNtcHNzOwo+ICsJb2xkX21wcyA9IHBj aWVfZ2V0X21wcyhycCk7Cj4gKwlpZiAobXBzIDw9IG9sZF9tcHMpCj4gKwkJcmV0dXJuOwo+ICsK PiArCXBjaWVfcmFpc2VfbXBzKHJwLCAmbXBzKTsKPiArCXBjaV93YWxrX2J1cyhidXMsIHBjaWVf cmFpc2VfbXBzLCAmbXBzKTsKCltTZXZlcml0eTogTWVkaXVtXQpJZiB0aGUgY2FsbCB0byBwY2ll X3JhaXNlX21wcygpIGZvciB0aGUgUm9vdCBQb3J0IChycCkgZmFpbHMgdG8gc2V0IGl0cyBNUFMs CmRvZXMgdGhpcyBkYW5nZXJvdXNseSBwcm9jZWVkIHRvIGNhbGwgcGNpX3dhbGtfYnVzKCkgYW5k IHNldCB0aGUgTVBTIG9mCmRvd25zdHJlYW0gZGV2aWNlcyBhbnl3YXk/IENvdWxkIHRoaXMgcmVz dWx0IGluIGEgUENJZSBwcm90b2NvbCB2aW9sYXRpb24KbGVhZGluZyB0byBNYWxmb3JtZWQgVExQ IGVycm9ycyBhbmQgcGFja2V0IGRyb3BzPwoKPiArCXBjaV9pbmZvKHJwLCAiTWF4IFBheWxvYWQg U2l6ZSBvZiBoaWVyYXJjaHkgc2V0IHRvICVkICh3YXMgJWQpXG4iLAo+ICsJCSBtcHMsIG9sZF9t cHMpOwo+ICt9CgotLSAKU2FzaGlrbyBBSSByZXZpZXcgwrcgaHR0cHM6Ly9zYXNoaWtvLmRldi8j L3BhdGNoc2V0LzIwMjYwOTMwMTQ1MDE3LjEzNTYwODgtNi1jYXNzZWxAa2VybmVsLm9yZz9wYXJ0 PTMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LWFtbG9naWMgbWFpbGluZyBsaXN0CmxpbnV4LWFtbG9naWNAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFtbG9naWMK