RE: [PATCH v2 2/2] powerpc/mpic: add global timer support
From: Wang Dongsheng-B40534 <hidden>
Date: 2012-08-13 06:18:48
DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogV29vZCBTY290dC1CMDc0 MjENCj4gU2VudDogU2F0dXJkYXksIEF1Z3VzdCAxMSwgMjAxMiA0OjM4IEFNDQo+IFRvOiBXYW5n IERvbmdzaGVuZy1CNDA1MzQNCj4gQ2M6IGJlbmhAa2VybmVsLmNyYXNoaW5nLm9yZzsgcGF1bHVz QHNhbWJhLm9yZzsgbGludXhwcGMtDQo+IGRldkBsaXN0cy5vemxhYnMub3JnOyBHYWxhIEt1bWFy LUIxMTc4MDsgTGkgWWFuZy1SNTg0NzINCj4gU3ViamVjdDogUmU6IFtQQVRDSCB2MiAyLzJdIHBv d2VycGMvbXBpYzogYWRkIGdsb2JhbCB0aW1lciBzdXBwb3J0DQo+IA0KPiBPbiAwOC8xMC8yMDEy IDEyOjU0IEFNLCBEb25nc2hlbmcud2FuZ0BmcmVlc2NhbGUuY29tIHdyb3RlOg0KPiA+ICtzdGF0 aWMgaW50IGdyb3VwX2dldF9mcmVxKHN0cnVjdCBncm91cF9wcml2ICpwcml2KSB7DQo+ID4gKwlp ZiAocHJpdi0+ZmxhZ3MgJiBGU0xfR0xPQkFMX1RJTUVSKSB7DQo+ID4gKwkJY2NiZnJlcSA9IGZz bF9nZXRfc3lzX2ZyZXEoKTsNCj4gPiArCQlwcml2LT50aW1lcmZyZXEgPSBjY2JmcmVxOw0KPiA+ ICsJfSBlbHNlIHsNCj4gPiArCQlwcml2LT50aW1lcmZyZXEgPSBpbl9iZTMyKHByaXYtPmdyb3Vw X3RmcnIpOw0KPiA+ICsJfQ0KPiANCj4gRlNMIE1QSUNzIGhhdmUgVEZSUiB0b28uICBJJ20gbm90 IHN1cmUgdGhhdCB0aGUgbGFjayBvZiBmc2wsbXBpYyBpcyBhDQo+IGdvb2QgaW5kaWNhdGlvbiB0 aGF0IFRGUlIgaXMgYmVpbmcgc2V0IChlLmcuIHdlIGhhdmUgb2xkIGRldmljZSB0cmVlcyBmb3IN Cj4gRlNMIGNoaXBzIHdpdGggVS1Cb290IHRoYXQgYXJlIGxhYmVsbGVkIGFzIG9yZGluYXJ5IG9w ZW5waWNzKS4NCj4gDQpbV2FuZyBEb25nc2hlbmddIHllcywgd2UgaGF2ZS4gQnV0IHdlIGRvIG5v dCB1c2VkIGl0LiBUaGUgVEZSUiByZWdpc3RlciB2YWx1ZQ0KaXMgemVyby4gDQoNCj4gPiArDQo+ ID4gKwlpZiAocHJpdi0+dGltZXJmcmVxIDw9IDApDQo+ID4gKwkJcmV0dXJuIC1FSU5WQUw7DQo+ ID4gKw0KPiA+ICsJcmV0dXJuIDA7DQo+ID4gK30NCj4gDQo+IHRpbWVyZnJlcSBpcyB1bnNpZ25l ZC4gIEl0IGNhbiBuZXZlciBiZSA8IDAuDQo+IA0KW1dhbmcgRG9uZ3NoZW5nXSBZZWFoLiBUaGFu a3MuDQo+ID4gKw0KPiA+ICtzdGF0aWMgaW50IGdyb3VwX2luaXRfcmVnbWFwKHN0cnVjdCBkZXZp Y2Vfbm9kZSAqbnAsIHN0cnVjdA0KPiA+ICtncm91cF9wcml2ICpwcml2KSB7DQo+ID4gKwlwcml2 LT5ncm91cF90ZnJyID0gb2ZfaW9tYXAobnAsIDApOw0KPiA+ICsJaWYgKCFwcml2LT5ncm91cF90 ZnJyKSB7DQo+ID4gKwkJcHJfZXJyKCIlczogY2Fubm90IGlvcmVtYXAgdGZyciBhZGRyZXNzLlxu IiwNCj4gPiArCQkJCW5wLT5mdWxsX25hbWUpOw0KPiA+ICsJCXJldHVybiAtRUlOVkFMOw0KPiA+ ICsJfQ0KPiA+ICsNCj4gPiArCXByaXYtPnJlZ3MgPSBvZl9pb21hcChucCwgMSk7DQo+ID4gKwlp ZiAoIXByaXYtPnJlZ3MpIHsNCj4gPiArCQlwcl9lcnIoIiVzOiBjYW5ub3QgaW9yZW1hcCB0aW1l ciByZWdpc3RlciBhZGRyZXNzLlxuIiwNCj4gPiArCQkJCW5wLT5mdWxsX25hbWUpOw0KPiA+ICsJ CXJldHVybiAtRUlOVkFMOw0KPiA+ICsJfQ0KPiA+ICsNCj4gPiArCWlmICghKHByaXYtPmZsYWdz ICYgRlNMX0dMT0JBTF9USU1FUikpDQo+ID4gKwkJcmV0dXJuIDA7DQo+ID4gKw0KPiA+ICsJcHJp di0+Z3JvdXBfdGNyID0gb2ZfaW9tYXAobnAsIDIpOw0KPiA+ICsJaWYgKCFwcml2LT5ncm91cF90 Y3IpIHsNCj4gPiArCQlwcl9lcnIoIiVzOiBjYW5ub3QgaW9yZW1hcCB0Y3IgYWRkcmVzcy5cbiIs IG5wLT5mdWxsX25hbWUpOw0KPiA+ICsJCXJldHVybiAtRUlOVkFMOw0KPiA+ICsJfQ0KPiANCj4g VGhpcyBpcyBub3QgY29tcGF0aWJsZSB3aXRoIGV4aXN0aW5nIG1waWMgdGltZXIgbm9kZXMuDQo+ IA0KW1dhbmcgRG9uZ3NoZW5nXSBZZWFoLCBuZXh0IHBhdGNoIHRvIHN1cHBvcnQgdGhhdC4NCg0K PiA+ICsJcCA9IG9mX2dldF9wcm9wZXJ0eShucCwgImF2YWlsYWJsZS1yYW5nZXMiLCAmbGVuKTsN Cj4gPiArCWlmIChwICYmIGxlbiAlICgyICogc2l6ZW9mKHUzMikpICE9IDApIHsNCj4gPiArCQlw cl9lcnIoIiVzOiBtYWxmb3JtZWQgZnNsLGF2YWlsYWJsZS1yYW5nZXMgcHJvcGVydHkuXG4iLA0K PiA+ICsJCQkJbnAtPmZ1bGxfbmFtZSk7DQo+ID4gKwkJcmV0dXJuIC1FSU5WQUw7DQo+ID4gKwl9 DQo+IA0KPiBZb3UgbmVlZCB0byBzdXBwb3J0IGZzbCxhdmFpbGFibGUtcmFuZ2VzIHNpbmNlIHRo YXQncyBpbiBhbiBhY2NlcHRlZA0KPiBiaW5kaW5nIGFuZCBwZW9wbGUgY291bGQgaGF2ZSBwYXJ0 aXRpb25lZCBzZXR1cHMgYWxyZWFkeSB1c2luZyBpdC4NCj4gDQpbV2FuZyBEb25nc2hlbmddIEZT TCBjaGlwIG9yIE9QRU4tUElDIHNwZWNpZmljYXRpb24oT25seSBhIGdyb3VwKQ0KaW4gZWFjaCBn cm91cCBvbmx5IGZvdXIgdGltZXIuIFRoaXMgaXMgdW5pZmllZC4gU28gaSB1c2UgYSBnZW5lcmlj IG5hbWUuDQpJIHRoaW5rIHRoZXJlIGlzIG5vdCBjb21wYXRpYmxlIHdpdGggZXhpc3RpbmcgbXBp YyB0aW1lciBub2Rlcy4NCg0KCXAgPSBvZl9nZXRfcHJvcGVydHkobnAsICJhdmFpbGFibGUtcmFu Z2VzIiwgJmxlbik7DQoJaWYgKCFwKQ0KCQlwID0gb2ZfZ2V0X3Byb3BlcnR5KG5wLCAiZnNsLGF2 YWlsYWJsZS1yYW5nZXMiLCAmbGVuKTsNCg0KCWlmIChwICYmIGxlbiAlICgyICogc2l6ZW9mKHUz MikpICE9IDApIHsNCgkJcHJfZXJyKCIlczogbWFsZm9ybWVkIGZzbCxhdmFpbGFibGUtcmFuZ2Vz IHByb3BlcnR5LlxuIiwNCgkJCQlucC0+ZnVsbF9uYW1lKTsNCgkJcmV0dXJuIC1FSU5WQUw7DQoJ fQ0KDQo+IFlvdSBhbHNvIGhhdmUgYSBtaXNtYXRjaCBiZXR3ZWVuIHRoZSBwcm9wZXJ0eSB5b3Ug Y2hlY2sgYW5kIHRoZSBlcnJvcg0KPiBzdHJpbmcuDQo+IA0KW1dhbmcgRG9uZ3NoZW5nXSBZZWFo LiA6LSguDQoNCj4gLVNjb3R0DQoNCg==