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([2a02:168:6806:0:cb1:a328:ee29:2bd6]) by smtp.gmail.com with ESMTPSA id b18-20020a05600010d200b002cea8f07813sm346294wrx.81.2023.03.11.08.11.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 08:11:09 -0800 (PST) Message-ID: <2f64385a350359c5755eb4d2479e2efef7a96216.camel@gmail.com> Subject: Re: [PATCH net-next v2 4/6] net: mdio: scan bus based on bus capabilities for C22 and C45 From: Klaus Kudielka To: Andrew Lunn Cc: Michael Walle , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , Lorenzo Bianconi , Matthias Brugger , Bryan Whitehead , UNGLinuxDriver@microchip.com, Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Joel Stanley , Andrew Jeffery , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-aspeed@lists.ozlabs.org, Jesse Brandeburg Date: Sat, 11 Mar 2023 17:11:08 +0100 In-Reply-To: References: <100c439a-2a4d-4cb2-96f2-5bf273e2121a@lunn.ch> <712bc92ca6d576f33f63f1e9c2edf0030b10d3ae.camel@gmail.com> <0e10aa8492eadb587949d8744b56fccaabbd183b.camel@gmail.com> <72530e86-9ba9-4a01-9cd2-68835ecae7a0@lunn.ch> <09d65e1ee0679e1e74b4f3a5a4c55bd48332f043.camel@gmail.com> <70f5bca0-322c-4bae-b880-742e56365abe@lunn.ch> <10da10caea22a8f5da8f1779df3e13b948e8a363.camel@gmail.com> <4abd56aa-5b9f-4e16-b0ca-11989bb8c764@lunn.ch> User-Agent: Evolution 3.46.4-1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230311_081116_226001_29BD0F69 X-CRM114-Status: GOOD ( 15.68 ) 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 T24gU2F0LCAyMDIzLTAzLTExIGF0IDE2OjM5ICswMTAwLCBBbmRyZXcgTHVubiB3cm90ZToKPiAK PiBJIGhhdmUgb25lIG1vcmUgaWRlYSB3aGljaCBjYW4gc3BlZWQgdGhpbmdzIHVwLiBUaGUgc2Nh bm5pbmcgb2YgdGhlCj4gTURJTyBidXMgd29ya3MgaW4gdHdvIGRpZmZlcmVudCB3YXlzIGRlcGVu ZGluZyBvbiBpZiB0aGVyZSBpcyBhIERUCj4gbm9kZSwgZGVzY3JpYmluZyB3aGF0IHNob3VsZCBi ZSBmb3VuZCBvbiB0aGUgYnVzLiBGb3IgbXY4OGU2eHh4LCB1c2luZwo+IERUIGlzIG9wdGlvbmFs LiBTb21lIGJvYXJkcyBkbywgc29tZSBkb24ndC4KPiAKPiBJZiB0aGVyZSBpcyBhIERUIG5vZGUs IG9ubHkgdGhlIGFkZHJlc3NlcyBsaXN0ZWQgaW4gRFQgYXJlIHNjYW5uZWQuCgpIZXJlJ3MgdGhl IGRlZmluaXRpb24gb2YgdGhlIHN3aXRjaCBpbiB0aGUgVHVycmlzIE9tbmlhIGRldmljZSB0cmVl LgoKCS8qIFN3aXRjaCBNVjg4RTYxNzYgYXQgYWRkcmVzcyAweDEwICovCglzd2l0Y2hAMTAgewoJ CXBpbmN0cmwtbmFtZXMgPSAiZGVmYXVsdCI7CgkJcGluY3RybC0wID0gPCZzd2ludF9waW5zPjsK CQljb21wYXRpYmxlID0gIm1hcnZlbGwsbXY4OGU2MDg1IjsKCQkjYWRkcmVzcy1jZWxscyA9IDwx PjsKCQkjc2l6ZS1jZWxscyA9IDwwPjsKCgkJZHNhLG1lbWJlciA9IDwwIDA+OwoJCXJlZyA9IDww eDEwPjsKCgkJaW50ZXJydXB0LXBhcmVudCA9IDwmZ3BpbzE+OwoJCWludGVycnVwdHMgPSA8MTMg SVJRX1RZUEVfTEVWRUxfTE9XPjsKCgkJcG9ydHMgewoJCQkjYWRkcmVzcy1jZWxscyA9IDwxPjsK CQkJI3NpemUtY2VsbHMgPSA8MD47CgoJCQlwb3J0c0AwIHsKCQkJCXJlZyA9IDwwPjsKCQkJCWxh YmVsID0gImxhbjAiOwoJCQl9OwoKCQkJcG9ydHNAMSB7CgkJCQlyZWcgPSA8MT47CgkJCQlsYWJl bCA9ICJsYW4xIjsKCQkJfTsKCgkJCXBvcnRzQDIgewoJCQkJcmVnID0gPDI+OwoJCQkJbGFiZWwg PSAibGFuMiI7CgkJCX07CgoJCQlwb3J0c0AzIHsKCQkJCXJlZyA9IDwzPjsKCQkJCWxhYmVsID0g ImxhbjMiOwoJCQl9OwoKCQkJcG9ydHNANCB7CgkJCQlyZWcgPSA8ND47CgkJCQlsYWJlbCA9ICJs YW40IjsKCQkJfTsKCgkJCXBvcnRzQDUgewoJCQkJcmVnID0gPDU+OwoJCQkJbGFiZWwgPSAiY3B1 IjsKCQkJCWV0aGVybmV0ID0gPCZldGgxPjsKCQkJCXBoeS1tb2RlID0gInJnbWlpLWlkIjsKCgkJ CQlmaXhlZC1saW5rIHsKCQkJCQlzcGVlZCA9IDwxMDAwPjsKCQkJCQlmdWxsLWR1cGxleDsKCQkJ CX07CgkJCX07CgoJCQlwb3J0c0A2IHsKCQkJCXJlZyA9IDw2PjsKCQkJCWxhYmVsID0gImNwdSI7 CgkJCQlldGhlcm5ldCA9IDwmZXRoMD47CgkJCQlwaHktbW9kZSA9ICJyZ21paS1pZCI7CgoJCQkJ Zml4ZWQtbGluayB7CgkJCQkJc3BlZWQgPSA8MTAwMD47CgkJCQkJZnVsbC1kdXBsZXg7CgkJCQl9 OwoJCQl9OwoJCX07Cgo+IAo+IElmIHRoZXJlIGlzIG5vIERUIG5vZGUsIGJ5IGRlZmF1bHQsIGFs bCAzMiBhZGRyZXNzZXMgb24gdGhlIGJ1cyBhcmUKPiBzY2FubmVkLiBIb3dldmVyLCBEU0EgbWFr ZXMgYW5vdGhlciBhc3N1bXB0aW9uLiBUaGVyZSBpcyBhIG9uZSB0byBvbmUKPiBtYXBwaW5nIGJl dHdlZW4gcG9ydCBudW1iZXIgYW5kIFBIWSBhZGRyZXNzIG9uIHRoZSBNRElPIGJ1cy4gUG9ydCAw Cj4gdXNlcyBNRElPIGFkZHJlc3MgMC4gUG9ydCA3IHVzZXMgTURJTyBhZGRyZXNzIDcgZXRjLiBJ ZiB5b3UgaGF2ZSBhbiA4Cj4gcG9ydCBzd2l0Y2gsIHRoZXJlIGlzIG5vIHBvaW50IHNjYW5uaW5n IGFkZHJlc3NlcyA4IHRvIDMxLCB0aGV5IHdpbGwKPiBuZXZlciBiZSB1c2VkLgo+IAo+IFRoZSBt ZGlvIGJ1cyBzdHJ1Y3R1cmUgaGFzIGEgbWVtYmVyIHBoeV9tYXNrLiBUaGlzIGlzIGEgYml0bWFw LiBJZiBiaXQKPiBOIGlzIHNldCwgYWRkcmVzcyBOIGlzIG5vdCBzY2FubmVkLiBTbyBpIHN1Z2dl c3QgeW91IGV4dGVuZAo+IG12ODhlNnh4eF9tZGlvX3JlZ2lzdGVyKCkgdG8gc2V0IHBoeV9tYXNr IGJhc2VkIG9uCj4gbXY4OGU2eHh4X251bV9wb3J0cyhjaGlwKS4KPiAKCldoYXQgeW91IGFyZSBw cm9wb3NpbmcgaGVyZSB3b3VsZCBub3Qgc2hvdyBhbnkgaW1wcm92ZW1lbnQgb24gdGhlCk9tbmlh LCBhcyBvbmx5IHRoZSA2IHBvcnRzIHdvdWxkIGJlIHNjYW5uZWQgLSByaWdodD8gCgo+IMKgwqDC oMKgwqDCoMKgwqBBbmRyZXcKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==