Re: [PATCH] ACPI: PCI: Avoid misleading _OSC messages for non-PCIe host bridges without _OSC
KONDO KAZUMA(近藤 和真) <[email protected]> Mon, 3 Aug 2026 10:05:36 +0000
| Newsgroups | org.kernel.vger.linux-acpi,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <[email protected]> |
SGVsbG8sDQoNCkkgcmVjZWl2ZWQgcmV2aWV3IGNvbW1lbnRzIGZyb20gU2FzaGlrbzoNCmh0dHBz Oi8vc2FzaGlrby5kZXYvIy9wYXRjaHNldC8yMDI2MDczMTA5MDgyMC40OTMwNjQtMS1rYXp1bWEt a29uZG9AbmVjLmNvbT9wYXJ0PTENCg0KT24gMjAyNi8wNy8zMSAxODoyMSwgc2FzaGlrby1ib3RA a2VybmVsLm9yZyB3cm90ZToNCj4gVGhhbmsgeW91IGZvciB5b3VyIGNvbnRyaWJ1dGlvbiEgU2Fz aGlrbyBBSSByZXZpZXcgZm91bmQgMSBwb3RlbnRpYWwgaXNzdWUocykgdG8gY29uc2lkZXI6DQo+ IC0gW0hpZ2hdIEVhcmx5IHJldHVybiBieXBhc3NlcyBBU1BNIGRpc2FibGVtZW50IGZvciBub24t UENJZSBhbmQgQ1hMIGhvc3QgYnJpZGdlcyB3aXRob3V0IF9PU0MsIGNhdXNpbmcgYW4gdW5kb2N1 bWVudGVkIGZ1bmN0aW9uYWwgY2hhbmdlIGFuZCBwb3RlbnRpYWwgaW5zdGFiaWxpdHkNCj4gLS0N Cj4gDQo+IC0tLSBQYXRjaCBbMV06IFtQQVRDSF0gQUNQSTogUENJOiBBdm9pZCBtaXNsZWFkaW5n IF9PU0MgbWVzc2FnZXMgZm9yIG5vbi1QQ0llIGhvc3QgYnJpZGdlcyB3aXRob3V0IF9PU0MgLS0t DQo+IGNvbW1pdCBlNjhkMjlmNjUzYTFjMzRmOGI3YjA4YmFhYTU0OGUyZmYyZDM2NjNmDQo+IEF1 dGhvcjogS09ORE8gS0FaVU1BKCAkQjZhRiMhIU9CPz8gKEIpIDxrYXp1bWEta29uZG9AbmVjLmNv bT4NCj4gDQo+IEFDUEk6IFBDSTogQXZvaWQgbWlzbGVhZGluZyBfT1NDIG1lc3NhZ2VzIGZvciBu b24tUENJZSBob3N0IGJyaWRnZXMgd2l0aG91dCBfT1NDDQo+IA0KPiBUaGlzIHBhdGNoIHNraXBz IF9PU0MgbmVnb3RpYXRpb24gZm9yIG5vbi1QQ0llIGhvc3QgYnJpZGdlcyB0aGF0IGRvIG5vdCBk ZWZpbmUNCj4gYW4gX09TQyBtZXRob2QgYmVmb3JlIGF0dGVtcHRpbmcgdG8gZXZhbHVhdGUgaXQu IEl0IGFpbXMgdG8gcHJldmVudCBtaXNsZWFkaW5nDQo+IG1lc3NhZ2VzIGluIHRoZSBsb2dzIG9u IHNvbWUgSW50ZWwgc2VydmVycyB3aGVyZSB0aGUgT1MgYXBwZWFycyB0byBuZWdvdGlhdGUNCj4g d2l0aCB0aGUgcGxhdGZvcm0gZGVzcGl0ZSB0aGUgbGFjayBvZiBhbiBfT1NDIG1ldGhvZC4NCj4g DQo+IExpbms6IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xpbnV4LWFjcGkvZDBiZTk0OWQtMGUy MS00NzJlLWE0NGItY2VkYjFkZDg2OTVkQG5lYy5jb20vDQo+IA0KPj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvYWNwaS9wY2lfcm9vdC5jIGIvZHJpdmVycy9hY3BpL3BjaV9yb290LmMNCj4+IGluZGV4 IDRjMDZjM2ZmZDBjYmIuLjNhMjRkMDE4NDM2YjQgMTAwNjQ0DQo+PiAtLS0gYS9kcml2ZXJzL2Fj cGkvcGNpX3Jvb3QuYw0KPj4gKysrIGIvZHJpdmVycy9hY3BpL3BjaV9yb290LmMNCj4+IEBAIC01 NzQsNiArNTc0LDEyIEBAIHN0YXRpYyB2b2lkIG5lZ290aWF0ZV9vc19jb250cm9sKHN0cnVjdCBh Y3BpX3BjaV9yb290ICpyb290LCBpbnQgKm5vX2FzcG0pDQo+PiAgCQlyZXR1cm47DQo+PiAgCX0N Cj4+ICANCj4+ICsJLyogX09TQyBpcyBvcHRpb25hbCBmb3IgUENJIGhvc3QgYnJpZGdlcyAqLw0K Pj4gKwlpZiAoIWlzX3BjaWUocm9vdCkgJiYgIWFjcGlfaGFzX21ldGhvZChoYW5kbGUsICJfT1ND IikpIHsNCj4+ICsJCWRldl9kYmcoJmRldmljZS0+ZGV2LCAiX09TQzogbmVnb3RpYXRpb24gc2tp cHBlZCAobWV0aG9kIG5vdCBwcmVzZW50IGZvciBub24tUENJZSBob3N0IGJyaWRnZSlcbiIpOw0K Pj4gKwkJcmV0dXJuOw0KPj4gKwl9DQo+PiArDQo+IA0KPiBbU2V2ZXJpdHk6IEhpZ2hdDQo+IERv ZXMgdGhpcyBlYXJseSByZXR1cm4gdW5pbnRlbnRpb25hbGx5IHNraXAgZGlzYWJsaW5nIEFTUE0g Zm9yIHRoZXNlIGhvc3QNCj4gYnJpZGdlcz8NCj4gDQo+IFRoZSBjb21taXQgbWVzc2FnZSBzdGF0 ZXMgdGhpcyBjaGFuZ2UgcHJvZHVjZXMgbm8gZnVuY3Rpb25hbCBpc3N1ZXMgYW5kIG9ubHkNCj4g cmVtb3ZlcyBtaXNsZWFkaW5nIG1lc3NhZ2VzLiBIb3dldmVyLCBiZWZvcmUgdGhpcyBwYXRjaCwg aWYgdGhlIF9PU0MgbWV0aG9kDQo+IHdhcyBtaXNzaW5nLCB0aGUgZnVuY3Rpb24gd291bGQgcHJv Y2VlZCwgZmFpbCB0aGUgbmVnb3RpYXRpb24sIGFuZCBmYWxsDQo+IHRocm91Z2ggdG8gdGhlIGZh aWx1cmUgcGF0aCB3aGVyZSAqbm9fYXNwbSA9IDEgaXMgdW5jb25kaXRpb25hbGx5IHNldC4NCj4g DQo+IEJ5IHJldHVybmluZyBlYXJseSBoZXJlLCBpdCBsb29rcyBsaWtlICpub19hc3BtID0gMSBp cyBjb21wbGV0ZWx5IGJ5cGFzc2VkDQo+IGZvciBsZWdhY3kgaG9zdCBicmlkZ2VzLg0KPiANCj4g QWRkaXRpb25hbGx5LCBpc19wY2llKCkgb25seSBjaGVja3MgZm9yIEFDUElfQlJJREdFX1RZUEVf UENJRS4gQ291bGQgdGhpcw0KPiBjYXVzZSBDWEwgaG9zdCBicmlkZ2VzIChBQ1BJX0JSSURHRV9U WVBFX0NYTCkgdG8gZXZhbHVhdGUgdG8gZmFsc2UgaGVyZT8NCj4gSWYgYSBDWEwgYnJpZGdlIGxh Y2tzIGFuIF9PU0MgbWV0aG9kLCBpdCB3b3VsZCB0YWtlIHRoaXMgZWFybHkgcmV0dXJuIGFuZCBz a2lwDQo+IEFTUE0gZGlzYWJsZW1lbnQgZW50aXJlbHksIHdoaWNoIGNvdWxkIGxlYXZlIEFTUE0g ZW5hYmxlZCBpbmFwcHJvcHJpYXRlbHkNCj4gd2l0aG91dCBmaXJtd2FyZSBuZWdvdGlhdGlvbi4N Cg0KSSB0aGluayBTYXNoaWtvJ3MgcmV2aWV3IGlzIHJlYXNvbmFibGUuIEFjY29yZGluZyB0byBb MV0sIHVubGVzcyB0aGUNCnBsYXRmb3JtIGV4cGxpY2l0bHkgZ3JhbnRzIHRoZSBPUyBjb250cm9s IG92ZXIgQVNQTSB2aWEgX09TQywgdGhlIE9TDQpzaG91bGQgbm90IGNoYW5nZSB0aGUgQVNQTSBz dGF0ZSBjb25maWd1cmVkIGJ5IHRoZSBwbGF0Zm9ybS4NCg0KQWxzbywgYXMgZGVzY3JpYmVkIGlu IFsyXSwgaWYgQ1hMIDEuMSBob3N0cyBkbyBub3QgcHVibGlzaCBhIENYTCBfT1NDLA0KdGhlIE9T IHNob3VsZCBmYWxsIGJhY2sgdG8gdGhlIFBDSWUgX09TQyAoanVzdCBhcyBhY3BpX3BjaV9xdWVy eV9vc2MoKQ0KZG9lcykuDQoNClNvLCBuZWdvdGlhdGVfb3NfY29udHJvbCgpIHNob3VsZCBza2lw IF9PU0MgbmVnb3RpYXRpb24gb25seSB3aGVuIGENCmxlZ2FjeSBQQ0kgaG9zdCBicmlkZ2UgZG9l cyBub3QgaGF2ZSBfT1NDLiBGb3IgZXhhbXBsZToNCg0KCS8qIF9PU0MgaXMgb3B0aW9uYWwgZm9y IFBDSSBob3N0IGJyaWRnZXMgKi8NCglpZiAoIWlzX3BjaWUocm9vdCkgJiYgIWlzX2N4bChyb290 KSAmJg0KCSAgICAhYWNwaV9oYXNfbWV0aG9kKGhhbmRsZSwgIl9PU0MiKSkgew0KCQlkZXZfZGJn KCZkZXZpY2UtPmRldiwgIl9PU0M6IG5lZ290aWF0aW9uIHNraXBwZWQgKG1ldGhvZCBub3QgcHJl c2VudCBmb3IgbGVnYWN5IFBDSSBob3N0IGJyaWRnZSlcbiIpOw0KDQoJCS8qDQoJCSAqIERpc2Fi bGUgQVNQTSB1bmxlc3MgdGhlIE9TIGhhcyBiZWVuIGdyYW50ZWQgY29udHJvbCBvdmVyIGl0DQoJ CSAqIHZpYSBfT1NDLg0KCQkgKi8NCgkJKm5vX2FzcG0gPSAxOw0KCQlyZXR1cm47DQoJfQ0KDQpJ ZiBJIGhhdmUgbWlzdW5kZXJzdG9vZCBhbnl0aGluZywgcGxlYXNlIGxldCBtZSBrbm93Lg0KDQpb MV0gaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsLzEzMjA5NjExMTMtNTA1MC0xLWdpdC1zZW5k LWVtYWlsLW1qZ0ByZWRoYXQuY29tLw0KWzJdIGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC8y MDIyMDQxMzA3MzYxOC4yOTEzMzUtMy12aXNoYWwubC52ZXJtYUBpbnRlbC5jb20vDQoNClRoYW5r cywNCkthenVtYQ0KDQo+IA0KPj4gIAlzdXBwb3J0ID0gY2FsY3VsYXRlX3N1cHBvcnQoKTsNCj4+ ICANCj4+ICAJZGVjb2RlX29zY19zdXBwb3J0KHJvb3QsICJPUyBzdXBwb3J0cyIsIHN1cHBvcnQp Ow0KPiANCj4gWyAuLi4gXQ0KPiANCj4+IEBAIC02MTUsMTAgKzYyMSw2IEBAIHN0YXRpYyB2b2lk IG5lZ290aWF0ZV9vc19jb250cm9sKHN0cnVjdCBhY3BpX3BjaV9yb290ICpyb290LCBpbnQgKm5v X2FzcG0pDQo+PiAgCQkgKi8NCj4+ICAJCSpub19hc3BtID0gMTsNCj4+ICANCj4+IC0JCS8qIF9P U0MgaXMgb3B0aW9uYWwgZm9yIFBDSSBob3N0IGJyaWRnZXMgKi8NCj4+IC0JCWlmIChzdGF0dXMg PT0gQUVfTk9UX0ZPVU5EICYmICFpc19wY2llKHJvb3QpKQ0KPj4gLQkJCXJldHVybjsNCj4+IC0N Cj4+ICAJCWlmIChjb250cm9sKSB7DQo+PiAgCQkJZGVjb2RlX29zY19jb250cm9sKHJvb3QsICJP UyByZXF1ZXN0ZWQiLCByZXF1ZXN0ZWQpOw0KPj4gIAkJCWRlY29kZV9vc2NfY29udHJvbChyb290 LCAicGxhdGZvcm0gd2lsbGluZyB0byBncmFudCIsIGNvbnRyb2wpOw0KPiANCg==