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Fri, 25 Feb 2022 14:04:22 +0100 (CET) Date: Fri, 25 Feb 2022 14:04:22 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: Bjorn Helgaas Cc: Lorenzo Pieralisi , Bjorn Helgaas , Rob Herring , Thomas Petazzoni , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Marek =?utf-8?B?QmVow7pu?= , Russell King , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 05/12] PCI: mvebu: Correctly configure x1/x4 mode Message-ID: <20220225130422.2aordy6mb2nxcxht@pali> References: <20220222155030.988-6-pali@kernel.org> <20220225000800.GA304526@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220225000800.GA304526@bhelgaas> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220225_050429_685114_9013C41E X-CRM114-Status: GOOD ( 20.28 ) 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 T24gVGh1cnNkYXkgMjQgRmVicnVhcnkgMjAyMiAxODowODowMCBCam9ybiBIZWxnYWFzIHdyb3Rl Ogo+IE9uIFR1ZSwgRmViIDIyLCAyMDIyIGF0IDA0OjUwOjIzUE0gKzAxMDAsIFBhbGkgUm9ow6Fy IHdyb3RlOgo+ID4gSWYgeDEveDQgbW9kZSBpcyBub3Qgc2V0IGNvcnJlY3RseSB0aGVuIGxpbmsg d2l0aCBlbmRwb2ludCBjYXJkIGlzIG5vdAo+ID4gZXN0YWJsaXNoZWQuCj4gPiAKPiA+IFVzZSBE VFMgcHJvcGVydHkgJ251bS1sYW5lcycgdG8gZGV0ZXJpbWluYXRlIHgxL3g0IG1vZGUuCj4gCj4g SSBrbm93IHRoaXMgaXMgYWxyZWFkeSBtZXJnZWQsIGJ1dCBpZiB0d2Vha2luZyBmb3IgYW55IG90 aGVyIHJlYXNvbiwKPiBzL2RldGVyaW1pbmF0ZS9kZXRlcm1pbmUvCj4gCj4gPiArCSAqIFNldCBN YXhpbXVtIExpbmsgV2lkdGggdG8gWDEgb3IgWDQgaW4gUm9vdCBQb3J0J3MgUENJZSBMaW5rCj4g PiArCSAqIENhcGFiaWxpdHkgcmVnaXN0ZXIuIFRoaXMgcmVnaXN0ZXIgaXMgZGVmaW5lZCBieSBQ Q0llIHNwZWNpZmljYXRpb24KPiA+ICsJICogYXMgcmVhZC1vbmx5IGJ1dCB0aGlzIG12ZWJ1IGNv bnRyb2xsZXIgaGFzIGl0IGFzIHJlYWQtd3JpdGUgYW5kIG11c3QKPiA+ICsJICogYmUgc2V0IHRv IG51bWJlciBvZiBTZXJEZXMgUENJZSBsYW5lcyAoMSBvciA0KS4gSWYgdGhpcyByZWdpc3RlciBp cwo+ID4gKwkgKiBub3Qgc2V0IGNvcnJlY3RseSB0aGVuIGxpbmsgd2l0aCBlbmRwb2ludCBjYXJk IGlzIG5vdCBlc3RhYmxpc2hlZC4KPiAKPiBUcnVlLCBldmVyeXRoaW5nIGluIExpbmsgQ2FwYWJp bGl0eSBpcyBSTyBvciBId0luaXQsIGJ1dCB0aGF0J3MgZm9yCj4gdGhlIGFyY2hpdGVjdGVkIGFj Y2VzcyB2aWEgY29uZmlnIHNwYWNlLiAgSSB0aGluayBhIGRldmljZS1zcGVjaWZpYwo+IG1lY2hh bmlzbSBsaWtlIHRoaXMgaXMgZmFpciBnYW1lIGFzIGxvbmcgYXMgeW91IGRvIGl0IGJlZm9yZSBh bnlib2R5Cj4gY2FuIHJlYWQgaXQgdmlhIGNvbmZpZyBzcGFjZS4KCk1heWJlIEkgd2FzIG5vdCBj bGVhciBhbmQgZXhwbGljaXQgaW4gYWJvdmUgY29tbWVudCwgYnV0IHRoaXMgcmVnaXN0ZXIKc2V0 cyBudW1iZXIgb2YgUENJZSBsYW5lcyB3aGljaCBIVyB3aWxsIHVzZS4gQXJtYWRhIFBDSWUgY29u dHJvbGxlcnMKc3VwcG9ydHMgb25seSB4MSBhbmQgeDQuIFNvbWV0aW1lcyBkZWZhdWx0IEhXIHZh bHVlIGlzIDQgZm9yIHgxIEhXIGFuZApzb21ldGltZXMgZGVmYXVsdCB2YWx1ZSBmb3IgeDQgSFcg aXMgMS4gRmlyc3QgY2FzZSBjYXVzZSB0aGF0IGxpbmsgbmV2ZXIKY29tZXMgdXAgKEhXIGlzIHRy eWluZyB0byBzZXR1cCA0IGxhbmVzIGJ1dCBpbiByZWFsaXR5IHRoZXJlIGlzIG9ubHkKb25lLCBz byBsaW5rIHRyYWluaW5nIG5ldmVyIGZpbmlzaCkgYW5kIHNlY29uZCBjYXNlIGNhdXNlIGRlZ3Jh ZGVkCnBlcmZvcm1hbmNlICh4NCBsaW5rIGlzIGVzdGFibGlzaGVkIG9ubHkgaW4geDEgbW9kZSBh cyBIVyBpcyB2aWEgdGhpcwpyZWdpc3RlciBpbnN0cnVjdGVkIHRvIGlnbm9yZXMgb3RoZXIgMyBs YW5lcykuCgpTbyBiYXNpY2FsbHkgSFcgZGVzaWduZXJzIG1pc3VzZWQgdGhpcyBMaW5rIENhcGFi aWxpdHkgcmVnaXN0ZXIgZm9yCmNvbmZpZ3VyaW5nIFBDSWUgTGluayBvZiBQQ0llIFJvb3QgUG9y dC4KCj4gPiArCSAqLwo+ID4gKwlsbmtjYXAgPSBtdmVidV9yZWFkbChwb3J0LCBQQ0lFX0NBUF9Q Q0lFWFAgKyBQQ0lfRVhQX0xOS0NBUCk7Cj4gPiArCWxua2NhcCAmPSB+UENJX0VYUF9MTktDQVBf TUxXOwo+ID4gKwlsbmtjYXAgfD0gKHBvcnQtPmlzX3g0ID8gNCA6IDEpIDw8IDQ7Cj4gPiArCW12 ZWJ1X3dyaXRlbChwb3J0LCBsbmtjYXAsIFBDSUVfQ0FQX1BDSUVYUCArIFBDSV9FWFBfTE5LQ0FQ KTsKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFk Lm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFy bS1rZXJuZWwK