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Fri, 28 Feb 2020 23:56:12 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Feb 2020 23:57:00 +0800 Message-ID: <1582905422.14824.22.camel@mtksdaap41> Subject: Re: [PATCH v3 04/13] mailbox: mediatek: cmdq: clear task in channel before shutdown From: CK Hu To: Dennis YC Hsieh CC: Rob Herring , Matthias Brugger , Jassi Brar , , , , , Bibby Hsieh , Houlong Wei , , , "Ming-Fan Chen" Date: Fri, 28 Feb 2020 23:57:02 +0800 In-Reply-To: <1582897461-15105-6-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1582897461-15105-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1582897461-15105-6-git-send-email-dennis-yc.hsieh@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksIERlbm5pczoNCg0KT24gRnJpLCAyMDIwLTAyLTI4IGF0IDIxOjQ0ICswODAwLCBEZW5uaXMg WUMgSHNpZWggd3JvdGU6DQo+IERvIHN1Y2Nlc3MgY2FsbGJhY2sgaW4gY2hhbm5lbCB3aGVuIHNo dXRkb3duLiBGb3IgdGhvc2UgdGFzayBub3QgZmluaXNoLA0KPiBjYWxsYmFjayB3aXRoIGVycm9y IGNvZGUgdGh1cyBjbGllbnQgaGFzIGNoYW5jZSB0byBjbGVhbnVwIG9yIHJlc2V0Lg0KPiANCj4g U2lnbmVkLW9mZi1ieTogRGVubmlzIFlDIEhzaWVoIDxkZW5uaXMteWMuaHNpZWhAbWVkaWF0ZWsu Y29tPg0KPiAtLS0NCj4gIGRyaXZlcnMvbWFpbGJveC9tdGstY21kcS1tYWlsYm94LmMgfCAzOCAr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysNCj4gIDEgZmlsZSBjaGFuZ2VkLCAzOCBpbnNl cnRpb25zKCspDQo+IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tYWlsYm94L210ay1jbWRxLW1h aWxib3guYyBiL2RyaXZlcnMvbWFpbGJveC9tdGstY21kcS1tYWlsYm94LmMNCj4gaW5kZXggNzI0 NmI3ZTIxYTJlLi41MGRlYzAxNTU5M2YgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvbWFpbGJveC9t dGstY21kcS1tYWlsYm94LmMNCj4gKysrIGIvZHJpdmVycy9tYWlsYm94L210ay1jbWRxLW1haWxi b3guYw0KPiBAQCAtMzg3LDYgKzM4NywxMiBAQCBzdGF0aWMgaW50IGNtZHFfbWJveF9zZW5kX2Rh dGEoc3RydWN0IG1ib3hfY2hhbiAqY2hhbiwgdm9pZCAqZGF0YSkNCj4gIA0KPiAgCWlmIChsaXN0 X2VtcHR5KCZ0aHJlYWQtPnRhc2tfYnVzeV9saXN0KSkgew0KPiAgCQlXQVJOX09OKGNsa19lbmFi bGUoY21kcS0+Y2xvY2spIDwgMCk7DQo+ICsJCS8qDQo+ICsJCSAqIFRoZSB0aHJlYWQgcmVzZXQg d2lsbCBjbGVhciB0aHJlYWQgcmVsYXRlZCByZWdpc3RlciB0byAwLA0KPiArCQkgKiBpbmNsdWRp bmcgcGMsIGVuZCwgcHJpb3JpdHksIGlycSwgc3VzcGVuZCBhbmQgZW5hYmxlLiBUaHVzDQo+ICsJ CSAqIHNldCBDTURRX1RIUl9FTkFCTEVEIHRvIENNRFFfVEhSX0VOQUJMRV9UQVNLIHdpbGwgZW5h YmxlDQo+ICsJCSAqIHRocmVhZCBhbmQgbWFrZSBpdCBydW5uaW5nLg0KPiArCQkgKi8NCj4gIAkJ V0FSTl9PTihjbWRxX3RocmVhZF9yZXNldChjbWRxLCB0aHJlYWQpIDwgMCk7DQo+ICANCj4gIAkJ d3JpdGVsKHRhc2stPnBhX2Jhc2UgPj4gY21kcS0+c2hpZnRfcGEsDQo+IEBAIC00NTAsNiArNDU2 LDM4IEBAIHN0YXRpYyBpbnQgY21kcV9tYm94X3N0YXJ0dXAoc3RydWN0IG1ib3hfY2hhbiAqY2hh bikNCj4gIA0KPiAgc3RhdGljIHZvaWQgY21kcV9tYm94X3NodXRkb3duKHN0cnVjdCBtYm94X2No YW4gKmNoYW4pDQo+ICB7DQo+ICsJc3RydWN0IGNtZHFfdGhyZWFkICp0aHJlYWQgPSAoc3RydWN0 IGNtZHFfdGhyZWFkICopY2hhbi0+Y29uX3ByaXY7DQo+ICsJc3RydWN0IGNtZHEgKmNtZHEgPSBk ZXZfZ2V0X2RydmRhdGEoY2hhbi0+bWJveC0+ZGV2KTsNCj4gKwlzdHJ1Y3QgY21kcV90YXNrICp0 YXNrLCAqdG1wOw0KPiArCXVuc2lnbmVkIGxvbmcgZmxhZ3M7DQo+ICsNCj4gKwlzcGluX2xvY2tf aXJxc2F2ZSgmdGhyZWFkLT5jaGFuLT5sb2NrLCBmbGFncyk7DQo+ICsJaWYgKGxpc3RfZW1wdHko JnRocmVhZC0+dGFza19idXN5X2xpc3QpKQ0KPiArCQlnb3RvIGRvbmU7DQo+ICsNCj4gKwlXQVJO X09OKGNtZHFfdGhyZWFkX3N1c3BlbmQoY21kcSwgdGhyZWFkKSA8IDApOw0KPiArDQo+ICsJLyog bWFrZSBzdXJlIGV4ZWN1dGVkIHRhc2tzIGhhdmUgc3VjY2VzcyBjYWxsYmFjayAqLw0KPiArCWNt ZHFfdGhyZWFkX2lycV9oYW5kbGVyKGNtZHEsIHRocmVhZCk7DQo+ICsJaWYgKGxpc3RfZW1wdHko JnRocmVhZC0+dGFza19idXN5X2xpc3QpKQ0KPiArCQlnb3RvIGRvbmU7DQo+ICsNCj4gKwlsaXN0 X2Zvcl9lYWNoX2VudHJ5X3NhZmUodGFzaywgdG1wLCAmdGhyZWFkLT50YXNrX2J1c3lfbGlzdCwN Cj4gKwkJCQkgbGlzdF9lbnRyeSkgew0KPiArCQljbWRxX3Rhc2tfZXhlY19kb25lKHRhc2ssIC1F Q09OTkFCT1JURUQpOw0KDQpjbWRxX3Rhc2tfZXhlY19kb25lKHRhc2ssIENNRFFfQ0JfRVJST1Ip ID8gSG93ZXZlciwgSSd2ZSBsaWtlIHRvIHVzZSB0aGUNCnN0YW5kYXJkIGVycm9yIGFzIHlvdSB3 cml0ZSBoZXJlLg0KDQpSZWdhcmRzLA0KQ0sNCg0KPiArCQlrZnJlZSh0YXNrKTsNCj4gKwl9DQo+ ICsNCj4gKwljbWRxX3RocmVhZF9kaXNhYmxlKGNtZHEsIHRocmVhZCk7DQo+ICsJY2xrX2Rpc2Fi bGUoY21kcS0+Y2xvY2spOw0KPiArZG9uZToNCj4gKwkvKg0KPiArCSAqIFRoZSB0aHJlYWQtPnRh c2tfYnVzeV9saXN0IGVtcHR5IG1lYW5zIHRocmVhZCBhbHJlYWR5IGRpc2FibGUuIFRoZQ0KPiAr CSAqIGNtZHFfbWJveF9zZW5kX2RhdGEoKSBhbHdheXMgcmVzZXQgdGhyZWFkIHdoaWNoIGNsZWFy IGRpc2FibGUgYW5kDQo+ICsJICogc3VzcGVuZCBzdGF0dWUgd2hlbiBmaXJzdCBwa3Qgc2VuZCB0 byBjaGFubmVsLCBzbyB0aGVyZSBpcyBubyBuZWVkDQo+ICsJICogdG8gZG8gYW55IG9wZXJhdGlv biBoZXJlLCBvbmx5IHVubG9jayBhbmQgbGVhdmUuDQo+ICsJICovDQo+ICsJc3Bpbl91bmxvY2tf aXJxcmVzdG9yZSgmdGhyZWFkLT5jaGFuLT5sb2NrLCBmbGFncyk7DQo+ICB9DQo+ICANCj4gIHN0 YXRpYyBjb25zdCBzdHJ1Y3QgbWJveF9jaGFuX29wcyBjbWRxX21ib3hfY2hhbl9vcHMgPSB7DQoN Cg==