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Thu, 25 Feb 2021 11:34:49 +0800 Message-ID: <1614224089.25750.14.camel@mhfsdcap03> Subject: Re: [v8,6/7] PCI: mediatek-gen3: Add system PM support From: Jianjun Wang To: Krzysztof =?UTF-8?Q?Wilczy=C5=84ski?= CC: Bjorn Helgaas , Rob Herring , , Lorenzo Pieralisi , Ryder Lee , Philipp Zabel , "Matthias Brugger" , , , , , , "Sj Huang" , , , , , , , Date: Thu, 25 Feb 2021 11:34:49 +0800 In-Reply-To: References: <20210224061132.26526-1-jianjun.wang@mediatek.com> <20210224061132.26526-7-jianjun.wang@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: B8240DFBE026559C95C4FF794CAECB89FE75F5E7653980143DBA6B8E787D410D2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org SGkgS3J6eXN6dG9mLA0KDQpUaGFua3MgZm9yIHlvdXIgcmV2aWV3LA0KDQpPbiBXZWQsIDIwMjEt MDItMjQgYXQgMTU6MTAgKzAxMDAsIEtyenlzenRvZiBXaWxjennFhHNraSB3cm90ZToNCj4gSGkg Smlhbmp1biwNCj4gDQo+ID4gQWRkIHN1c3BlbmRfbm9pcnEgYW5kIHJlc3VtZV9ub2lycSBjYWxs YmFjayBmdW5jdGlvbnMgdG8gaW1wbGVtZW50DQo+ID4gUE0gc3lzdGVtIHN1c3BlbmQgaG9va3Mg Zm9yIE1lZGlhVGVrIEdlbjMgUENJZSBjb250cm9sbGVyLg0KPiANCj4gU28sICJzeXN0ZW1zIHN1 c3BlbmQiIGFuZCAicmVzdW1lIiBob29rcywgY29ycmVjdD8NCg0KVGhlIGNhbGxiYWNrIGZ1bmN0 aW9ucyBpcyBzdXNwZW5kX25vaXJxIGFuZCByZXN1bWVfbm9pcnEsIHNob3VsZCBJIHVzZQ0KInN5 c3RlbXMgc3VzcGVuZCIgYW5kICJyZXN1bWUiIGluIHRoZSBjb21taXQgbWVzc2FnZT8NCg0KPiAN Cj4gPiBXaGVuIHN5c3RlbSBzdXNwZW5kLCB0cmlnZ2VyIHRoZSBQQ0llIGxpbmsgdG8gTDIgc3Rh dGUgYW5kIHB1bGwgZG93bg0KPiANCj4gSXQgcHJvYmFibHkgd291bGQgYmUgInRoZSBzeXN0ZW0g c3VzcGVuZHMiLg0KPiANCj4gWy4uLl0NCj4gPiBXaGVuIHN5c3RlbSByZXN1bSwgdGhlIFBDSWUg bGluayBzaG91bGQgYmUgcmUtZXN0YWJsaXNoZWQgYW5kIHRoZQ0KPiA+IHJlbGF0ZWQgY29udHJv bCByZWdpc3RlciB2YWx1ZXMgc2hvdWxkIGJlIHJlc3RvcmVkLg0KPiANCj4gU2ltaWxhcmx5IHRv IHRoZSBhYm92ZTogInRoZSBzeXN0ZW0gcmVzdW1lcyIuDQo+IA0KPiBbLi4uXQ0KPiA+ICsJaWYg KGVycikgew0KPiA+ICsJCWRldl9lcnIocG9ydC0+ZGV2LCAiY2FuIG5vdCBlbnRlciBMMiBzdGF0 ZVxuIik7DQo+ID4gKwkJcmV0dXJuIGVycjsNCj4gPiArCX0NCj4gDQo+IE1vc3QgbGlrZWx5IHlv dSB3YW50ICJjYW5ub3QiIG9yICJjYW4ndCIgaW4gdGhlIGFib3ZlIGVycm9yIG1lc3NhZ2UuDQo+ IA0KPiA+ICsJLyogUHVsbCBkb3duIHRoZSBQRVJTVCMgcGluICovDQo+ID4gKwl2YWwgPSByZWFk bF9yZWxheGVkKHBvcnQtPmJhc2UgKyBQQ0lFX1JTVF9DVFJMX1JFRyk7DQo+ID4gKwl2YWwgfD0g UENJRV9QRV9SU1RCOw0KPiA+ICsJd3JpdGVsX3JlbGF4ZWQodmFsLCBwb3J0LT5iYXNlICsgUENJ RV9SU1RfQ1RSTF9SRUcpOw0KPiA+ICsNCj4gPiArCWRldl9kYmcocG9ydC0+ZGV2LCAiZW50ZXIg TDIgc3RhdGUgc3VjY2VzcyIpOw0KPiANCj4gSnVzdCBhIG5pdHBpY2suICBXaGF0IGFib3V0ICJl bnRlcmVkIEwyIHN0YXRlcyBzdWNjZXNzZnVsbHkiPw0KPiANCj4gWy4uLl0NCj4gPiArCWlmIChl cnIpIHsNCj4gPiArCQlkZXZfZXJyKHBvcnQtPmRldiwgInJlc3VtZSBmYWlsZWRcbiIpOw0KPiA+ ICsJCXJldHVybiBlcnI7DQo+ID4gKwl9DQo+IA0KPiBUaGlzIGVycm9yIG1lc3NhZ2UgZG9lcyBu b3QgcXVpdGUgY29udmV5IHRoYXQgdGhlIG10a19wY2llX3N0YXJ0dXBfcG9ydCgpDQo+IHdhcyB0 aGUgZnVuY3Rpb24gdGhhdCBmYWlsZWQsIHdoaWNoIGlzIG9ubHkgYSBwYXJ0IG9mIHdoYXQgeW91 IGhhdmUgdG8gZG8NCj4gdG8gc3VjY2Vzc2Z1bGx5IHJlc3VtZS4NCj4gDQo+ID4gKwlkZXZfZGJn KHBvcnQtPmRldiwgInJlc3VtZSBkb25lXG4iKTsNCj4gDQo+IEEgbml0cGljay4gIFByb2JhYmx5 IG5vdCBuZWVkZWQsIGFzIGxhY2sgb2YgZXJyb3IgbWVzc2FnZSB3b3VsZCBtZWFuDQo+IHRoYXQg dGhlIGRldmljZSByZXN1bWVkIHN1Y2Nlc3NmdWxseSBhZnRlciBiZWluZyBzdXNwZW5kZWQuDQo+ IA0KPiBLcnp5c3p0b2YNCg0KVGhhbmtzLg0KDQo=