From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Phil Edworthy To: Lorenzo Pieralisi CC: Marek Vasut , Bjorn Helgaas , "linux-pci@vger.kernel.org" , Marek Vasut , Geert Uytterhoeven , Simon Horman , Wolfram Sang , "linux-renesas-soc@vger.kernel.org" Subject: RE: [PATCH V2 4/5] PCI: rcar: Support runtime PM, link state L1 handling Date: Tue, 21 Aug 2018 08:58:38 +0000 Message-ID: References: <20171117174906.GB22599@red-moon> <3e0bc374-d296-675c-f290-256cc530feb7@gmail.com> <20180611135912.GD75679@bhelgaas-glaptop.roam.corp.google.com> <77d1eaf8-e180-f5f5-50f0-34c45e72c553@gmail.com> <20180613135308.GB201807@bhelgaas-glaptop.roam.corp.google.com> <20180613155252.GA12210@e107981-ln.cambridge.arm.com> <20180613172559.GC201807@bhelgaas-glaptop.roam.corp.google.com> <1d543b91-ac4f-7b61-4b2c-d8865e06d31e@gmail.com> <9b91bbd9-64df-764e-e553-a37463549a92@gmail.com> <20180820144733.GA24413@red-moon> In-Reply-To: <20180820144733.GA24413@red-moon> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: SGkgTG9yZW56bywNCg0KT24gMjAgQXVndXN0IDIwMTggMTU6NDggTG9yZW56byBQaWVyYWxpc2kg d3JvdGU6DQo+IE9uIE1vbiwgQXVnIDIwLCAyMDE4IGF0IDAxOjQ0OjQ4UE0gKzAwMDAsIFBoaWwg RWR3b3J0aHkgd3JvdGU6DQo+IA0KPiBbLi4uXQ0KPiANCj4gPiBIb3dldmVyLCBib3RoIGJlZm9y ZSBhbmQgYWZ0ZXIgdGhpcyBwYXRjaCwgdGhlIFJQIGRvZXMgbm90IHRyYW5zaXRpb24NCj4gPiBM MSB3aGVuIHRoZSBlbmRwb2ludHMgY2hhbmdlIHRvIEwxLg0KPiA+IFRoaXMgcGF0Y2ggb25seSB0 cmFuc2l0aW9ucyB0aGUgUlAgdG8gTDEgZHVyaW5nIGFjY2Vzc2luZyBhIGNhcmQncw0KPiA+IGNv bmZpZyByZWdpc3RlcnMsIGlmIHRoZSBSUCBpcyBub3QgaW4gTDEgbGluayBzdGF0ZSBhbmQgaGFz IHJlY2VpdmVkDQo+ID4gUE1fRU5URVJfTDEgRExMUCAoZS5nLiByZXN1bWUpLiBBZnRlciB0aGlz LCB0aGUgaGFyZHdhcmUgd2lsbCBoYW5kbGUNCj4gPiB0aGUgdHJhbnNpdGlvbiBvdXQgb2YgTDEu DQo+ID4NCj4gPiBUaGUgcmVsZXZhbnQgcGFydCBvZiB0aGUgcmNhciBtYW51YWwgc2F5czogIkFm dGVyIGEgcmVjb3ZlcnkgdG8gTDAsIGlmDQo+ID4gdGhlIGRldmljZSBpcyBpbiB0aGUgTm9uLUQw IHN0YXRlIGFuZCBQTV9FbnRlcl9MMSBETExQIGlzIHRyYW5zbWl0dGVkDQo+ID4gZnJvbSB0aGUg ZG93bnN0cmVhbSBkZXZpY2UsIHNvZnR3YXJlIHNob3VsZCBjb25maXJtIHRoYXQgaGFyZHdhcmUg aXMNCj4gPiBpbiB0aGUgTDAgc3RhdGUgKFBNU1IuUE1TVEFURSA9IEwwKSBhbmQgaW5pdGlhdGUg dGhlIEwxIHRyYW5zaXRpb24NCj4gPiBzZXF1ZW5jZSBhZ2FpbiAod3JpdGUgMSB0byBQTUNUTFIu TDFJQVROKS4gSW4gdGhpcyBjYXNlLCB0aGUgc2VxdWVuY2UNCj4gPiBpczogTDAg4oaSIEwxIOKG kiBMMCByZWNvdmVyeSDihpIgTDEgYWdhaW4uIg0KPiANCj4gQ2FuIHlvdSBtYXAgdGhlc2UgRlNN IHN0ZXBzIHRvIHRoaXMgcGF0Y2ggY29kZSBwbGVhc2UgPyBJIHdvdWxkIGxpa2UgdG8NCj4gdW5k ZXJzdGFuZCB3aGF0IExpbmsgc3RhdGUgbWFwcyB0byB3aGljaCBjb21tYW5kIHdyaXR0ZW4gYW5k IHdoZW4uDQpJIGRvbuKAmXQgdGhpbmsgSSBjYW4gYmVjYXVzZSB3ZSBhcmUgbm90IGluaXRpYWxs eSBlbnRlcmluZyBMMS4gTG9va2luZyBhdCB0aGlzDQphZ2FpbiwgSSB0aGluayB0aGlzIHNlY3Rp b24gb2YgdGhlIG1hbnVhbCBvbmx5IGhlbHBzIGluIGluZGljYXRpbmcgaG93IHRvIA0KZGV0ZWN0 IHdlIHNob3VsZCBoYXZlIGdvbmUgaW50byBMMSBhbmQgaG93IHRvIHBva2UgdGhlIEhXIHRvIGlu aXRpYXRlIHRoZQ0KdHJhbnNpdGlvbiB0byBMMS4NCg0KT24gc3lzdGVtIHN1c3BlbmQsIHRoZSBF UCBzZW5kcyBQTV9FbnRlcl9MMSBETExQIGFuZCBlbnRlcnMgTDEgc3RhdGUuDQpUaGUgcmNhciBS UCBjYW5ub3QgZW50ZXIgTDEgYnkgSFcgYWxvbmUsIHNvIGlzIHN0aWxsIGluIEwwLiBUaGUgb25s eSB3YXkgb3V0DQpvZiB0aGlzIGZyb20gdGhlIFBDSWUgc3BlYyBGU00gaXMgZm9yIGJvdGggRVAg YW5kIFJQIHRvIGVudGVyIHRoZSBSZWNvdmVyeQ0Kc3RhdGUuDQpUaGUgcGF0Y2ggc2ltcGx5IGRl dGVjdHMgdGhhdCB3ZSBzaG91bGQgaGF2ZSBnb25lIGludG8gTDEsIGFuZCBzbyBpbml0aWF0ZXMN CnRoYXQgc3RhdGUgY2hhbmdlLCBhbmQgdGhlIEhXIHdpbGwgdGhlbiBoYW5kbGUgdGhlIHRyYW5z aXRpb24gZnJvbSBMMSB0bw0KUmVjb3ZlcnkgYW5kIHRoZW4gb24gdG8gTDAuDQoNCg0KPiA+IEkg ZG9u4oCZdCB0aGluayB0aGUgcG90ZW50aWFsIGlzc3VlIHRoYXQgQmpvcm4gdGFsa2VkIGFib3V0 IGNhbiBoYXBwZW4NCj4gPiBiZWNhdXNlIHRoZSBSUCBkb2VzIGdvIGludG8gTDEuIEkgY291bGQg YmUgd3JvbmcgdGhvdWdoLi4uDQo+IA0KPiBJIGRvIG5vdCB1bmRlcnN0YW5kIHRoaXMgcGFyYWdy YXBoLCBtaW5kIGVsYWJvcmF0aW5nIG9uIGl0ID8NCkFzIHJjYXIgUlAgb25seSBzdXBwb3J0cyBE MCBhbmQgRDNob3QvY29sZCwgKHRoZSBtYW51YWwgc2F5cyBpdCBzdXBwb3J0cw0KRDNjb2xkLCBi dXQgSSBjYW5ub3Qgc2VlIGhvdyBpZiBpdCBkb2VzbuKAmXQgc3VwcG9ydCBMMiBvciBMMyBzdGF0 ZXMpLCBpZiB5b3UNCmZvcmNlIHRoZSBsaW5rIHRvIEQzLCB3ZSBjYW4gb25seSBiZSBpbiBMMSBz dGF0ZS4NCg0KDQo+ID4gVGhlIGRyaXZlciBzaG91bGQgYWxzbyBoYXZlIGEgcnVudGltZS1QTSBo b29rIHRvIHRyYW5zaXRpb24gdG8gTDEgb24NCj4gPiBzdXNwZW5kIGluIG9yZGVyIHRvIHNhdmUg cG93ZXIuIEhvd2V2ZXIsIHRoYXQgaXMgc29tZXdoYXQgc2VwYXJhdGUgdG8NCj4gPiB0aGUgcHJv YmxlbSB0aGUgcGF0Y2ggZml4ZXMuDQo+IA0KPiBZZXMgdGhhdCdzIGEgc2VwYXJhdGUgcGF0Y2gu DQo+IA0KPiBUaGFua3MgZm9yIGNoaW1pbmcgaW4sIGxldCdzIHRyeSB0byBnZXQgdG8gdGhlIGJv dHRvbSBvZiB0aGlzIHRocmVhZC4NCj4gDQo+IExvcmVuem8NCg0KVGhhbmtzDQpQaGlsDQo=