From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF533C3F2C6 for ; Sun, 8 Mar 2020 10:53:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A950720848 for ; Sun, 8 Mar 2020 10:53:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="sxd+C6H/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726333AbgCHKxI (ORCPT ); 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Sun, 8 Mar 2020 18:52:02 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sun, 8 Mar 2020 18:52:58 +0800 From: Dennis YC Hsieh To: Rob Herring , Mark Rutland , Matthias Brugger , Jassi Brar , Philipp Zabel , David Airlie , Daniel Vetter CC: , , , , , Bibby Hsieh , CK Hu , Houlong Wei , , HS Liao , Dennis YC Hsieh Subject: [PATCH v5 04/13] mailbox: mediatek: cmdq: clear task in channel before shutdown Date: Sun, 8 Mar 2020 18:52:46 +0800 Message-ID: <1583664775-19382-5-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1583664775-19382-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583664775-19382-1-git-send-email-dennis-yc.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain 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 RG8gc3VjY2VzcyBjYWxsYmFjayBpbiBjaGFubmVsIHdoZW4gc2h1dGRvd24uIEZvciB0aG9zZSB0 YXNrIG5vdCBmaW5pc2gsDQpjYWxsYmFjayB3aXRoIGVycm9yIGNvZGUgdGh1cyBjbGllbnQgaGFz IGNoYW5jZSB0byBjbGVhbnVwIG9yIHJlc2V0Lg0KDQpTaWduZWQtb2ZmLWJ5OiBEZW5uaXMgWUMg SHNpZWggPGRlbm5pcy15Yy5oc2llaEBtZWRpYXRlay5jb20+DQpSZXZpZXdlZC1ieTogQ0sgSHUg PGNrLmh1QG1lZGlhdGVrLmNvbT4NCi0tLQ0KIGRyaXZlcnMvbWFpbGJveC9tdGstY21kcS1tYWls Ym94LmMgfCAzOCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysNCiAxIGZpbGUgY2hhbmdl ZCwgMzggaW5zZXJ0aW9ucygrKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tYWlsYm94L210ay1j bWRxLW1haWxib3guYyBiL2RyaXZlcnMvbWFpbGJveC9tdGstY21kcS1tYWlsYm94LmMNCmluZGV4 IDk5OTRhYzk0MjZkNi4uYjU2ZDM0MGM4OTgyIDEwMDY0NA0KLS0tIGEvZHJpdmVycy9tYWlsYm94 L210ay1jbWRxLW1haWxib3guYw0KKysrIGIvZHJpdmVycy9tYWlsYm94L210ay1jbWRxLW1haWxi b3guYw0KQEAgLTM4Nyw2ICszODcsMTIgQEAgc3RhdGljIGludCBjbWRxX21ib3hfc2VuZF9kYXRh KHN0cnVjdCBtYm94X2NoYW4gKmNoYW4sIHZvaWQgKmRhdGEpDQogDQogCWlmIChsaXN0X2VtcHR5 KCZ0aHJlYWQtPnRhc2tfYnVzeV9saXN0KSkgew0KIAkJV0FSTl9PTihjbGtfZW5hYmxlKGNtZHEt PmNsb2NrKSA8IDApOw0KKwkJLyoNCisJCSAqIFRoZSB0aHJlYWQgcmVzZXQgd2lsbCBjbGVhciB0 aHJlYWQgcmVsYXRlZCByZWdpc3RlciB0byAwLA0KKwkJICogaW5jbHVkaW5nIHBjLCBlbmQsIHBy aW9yaXR5LCBpcnEsIHN1c3BlbmQgYW5kIGVuYWJsZS4gVGh1cw0KKwkJICogc2V0IENNRFFfVEhS X0VOQUJMRUQgdG8gQ01EUV9USFJfRU5BQkxFX1RBU0sgd2lsbCBlbmFibGUNCisJCSAqIHRocmVh ZCBhbmQgbWFrZSBpdCBydW5uaW5nLg0KKwkJICovDQogCQlXQVJOX09OKGNtZHFfdGhyZWFkX3Jl c2V0KGNtZHEsIHRocmVhZCkgPCAwKTsNCiANCiAJCXdyaXRlbCh0YXNrLT5wYV9iYXNlID4+IGNt ZHEtPnNoaWZ0X3BhLA0KQEAgLTQ1MCw2ICs0NTYsMzggQEAgc3RhdGljIGludCBjbWRxX21ib3hf c3RhcnR1cChzdHJ1Y3QgbWJveF9jaGFuICpjaGFuKQ0KIA0KIHN0YXRpYyB2b2lkIGNtZHFfbWJv eF9zaHV0ZG93bihzdHJ1Y3QgbWJveF9jaGFuICpjaGFuKQ0KIHsNCisJc3RydWN0IGNtZHFfdGhy ZWFkICp0aHJlYWQgPSAoc3RydWN0IGNtZHFfdGhyZWFkICopY2hhbi0+Y29uX3ByaXY7DQorCXN0 cnVjdCBjbWRxICpjbWRxID0gZGV2X2dldF9kcnZkYXRhKGNoYW4tPm1ib3gtPmRldik7DQorCXN0 cnVjdCBjbWRxX3Rhc2sgKnRhc2ssICp0bXA7DQorCXVuc2lnbmVkIGxvbmcgZmxhZ3M7DQorDQor CXNwaW5fbG9ja19pcnFzYXZlKCZ0aHJlYWQtPmNoYW4tPmxvY2ssIGZsYWdzKTsNCisJaWYgKGxp c3RfZW1wdHkoJnRocmVhZC0+dGFza19idXN5X2xpc3QpKQ0KKwkJZ290byBkb25lOw0KKw0KKwlX QVJOX09OKGNtZHFfdGhyZWFkX3N1c3BlbmQoY21kcSwgdGhyZWFkKSA8IDApOw0KKw0KKwkvKiBt YWtlIHN1cmUgZXhlY3V0ZWQgdGFza3MgaGF2ZSBzdWNjZXNzIGNhbGxiYWNrICovDQorCWNtZHFf dGhyZWFkX2lycV9oYW5kbGVyKGNtZHEsIHRocmVhZCk7DQorCWlmIChsaXN0X2VtcHR5KCZ0aHJl YWQtPnRhc2tfYnVzeV9saXN0KSkNCisJCWdvdG8gZG9uZTsNCisNCisJbGlzdF9mb3JfZWFjaF9l bnRyeV9zYWZlKHRhc2ssIHRtcCwgJnRocmVhZC0+dGFza19idXN5X2xpc3QsDQorCQkJCSBsaXN0 X2VudHJ5KSB7DQorCQljbWRxX3Rhc2tfZXhlY19kb25lKHRhc2ssIENNRFFfQ0JfRVJST1IpOw0K KwkJa2ZyZWUodGFzayk7DQorCX0NCisNCisJY21kcV90aHJlYWRfZGlzYWJsZShjbWRxLCB0aHJl YWQpOw0KKwljbGtfZGlzYWJsZShjbWRxLT5jbG9jayk7DQorZG9uZToNCisJLyoNCisJICogVGhl IHRocmVhZC0+dGFza19idXN5X2xpc3QgZW1wdHkgbWVhbnMgdGhyZWFkIGFscmVhZHkgZGlzYWJs ZS4gVGhlDQorCSAqIGNtZHFfbWJveF9zZW5kX2RhdGEoKSBhbHdheXMgcmVzZXQgdGhyZWFkIHdo aWNoIGNsZWFyIGRpc2FibGUgYW5kDQorCSAqIHN1c3BlbmQgc3RhdHVlIHdoZW4gZmlyc3QgcGt0 IHNlbmQgdG8gY2hhbm5lbCwgc28gdGhlcmUgaXMgbm8gbmVlZA0KKwkgKiB0byBkbyBhbnkgb3Bl cmF0aW9uIGhlcmUsIG9ubHkgdW5sb2NrIGFuZCBsZWF2ZS4NCisJICovDQorCXNwaW5fdW5sb2Nr X2lycXJlc3RvcmUoJnRocmVhZC0+Y2hhbi0+bG9jaywgZmxhZ3MpOw0KIH0NCiANCiBzdGF0aWMg Y29uc3Qgc3RydWN0IG1ib3hfY2hhbl9vcHMgY21kcV9tYm94X2NoYW5fb3BzID0gew0KLS0gDQoy LjE4LjANCg==