From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v2] dmaengine: at_xdmac: Fix wrongfull report of a channel as in use From: Codrin Ciubotariu Message-Id: <42d281c0-e44e-0b59-825d-3fcca8f523d5@microchip.com> Date: Wed, 23 Jan 2019 16:41:05 +0000 To: Ludovic.Desroches@microchip.com, vkoul@kernel.org Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-ID: T24gMjMuMDEuMjAxOSAxODozMywgQ29kcmluIENpdWJvdGFyaXUgLSBNMTk5NDAgd3JvdGU6DQo+ IEZyb206IENvZHJpbiBDaXVib3Rhcml1IDxjb2RyaW4uY2l1Ym90YXJpdUBtaWNyb2NoaXAuY29t Pg0KPiANCj4gYXRjaGFuLT5zdGF0dXMgdmFyaWFibGUgaXMgdXNlZCB0byBzdG9yZSB0d28gZGlm ZmVyZW50IGluZm9ybWF0aW9uOg0KPiAgIC0gcGFzcyBjaGFubmVsIGludGVycnVwdHMgc3RhdHVz IGZyb20gaW50ZXJydXB0IGhhbmRsZXIgdG8gdGFza2xldDsNCj4gICAtIGNoYW5uZWwgaW5mb3Jt YXRpb24gbGlrZSB3aGV0aGVyIGl0IGlzIGN5Y2xpYyBvciBwYXVzZWQ7DQo+IA0KPiBUaGlzIGNh dXNlcyBhIGJ1ZyB3aGVuIGRldmljZV90ZXJtaW5hdGVfYWxsKCkgaXMgY2FsbGVkLA0KPiAoQVRf WERNQUNfQ0hBTl9JU19DWUNMSUMgY2xlYXJlZCBvbiBhdGNoYW4tPnN0YXR1cykgYW5kIHRoZW4g YSBsYXRlIEVuZA0KPiBvZiBCbG9jayBpbnRlcnJ1cHQgYXJyaXZlcyAoQVRfWERNQUNfQ0lTX0JJ UyksIHdoaWNoIHNldHMgYml0IDAgb2YNCj4gYXRjaGFuLT5zdGF0dXMuIEJpdCAwIGlzIGFsc28g dXNlZCBmb3IgQVRfWERNQUNfQ0hBTl9JU19DWUNMSUMsIHNvIHdoZW4NCj4gYSBuZXcgZGVzY3Jp cHRvciBmb3IgYSBjeWNsaWMgdHJhbnNmZXIgaXMgY3JlYXRlZCwgdGhlIGRyaXZlciByZXBvcnRz DQo+IHRoZSBjaGFubmVsIGFzIGluIHVzZToNCj4gDQo+IGlmICh0ZXN0X2FuZF9zZXRfYml0KEFU X1hETUFDX0NIQU5fSVNfQ1lDTElDLCAmYXRjaGFuLT5zdGF0dXMpKSB7DQo+IAlkZXZfZXJyKGNo YW4yZGV2KGNoYW4pLCAiY2hhbm5lbCBjdXJyZW50bHkgdXNlZFxuIik7DQo+IAlyZXR1cm4gTlVM TDsNCj4gfQ0KPiANCj4gVGhpcyBwYXRjaCBmaXhlcyB0aGUgYnVnIGJ5IGFkZGluZyBhIGRpZmZl cmVudCBzdHJ1Y3QgbWVtYmVyIHRvIGtlZXANCj4gdGhlIGludGVycnVwdHMgc3RhdHVzIHNlcGFy YXRlZCBmcm9tIHRoZSBjaGFubmVsIHN0YXR1cyBiaXRzLg0KPiANCj4gRml4ZXM6IGUxZjdjOWVl ZTcwNyAoImRtYWVuZ2luZTogYXRfeGRtYWM6IGNyZWF0aW9uIG9mIHRoZSBhdG1lbCBlWHRlbmRl ZCBETUEgQ29udHJvbGxlciBkcml2ZXIiKQ0KPiBTaWduZWQtb2ZmLWJ5OiBDb2RyaW4gQ2l1Ym90 YXJpdSA8Y29kcmluLmNpdWJvdGFyaXVAbWljcm9jaGlwLmNvbT4NCj4gQWNrZWQtYnk6IEx1ZG92 aWMgRGVzcm9jaGVzIDxsdWRvdmljLmRlc3JvY2hlc0BtaWNyb2NoaXAuY29tPg0KPiAtLS0NCg0K Rm9yZ290IHRvIGFkZDoNCg0KQ2hhbmdlcyBpbiB2MjoNCiAgLSBjaGFuZ2VkIGNvbW1pdCBtZXNz YWdlOw0KDQpJZiB5b3UgbmVlZCB2MyBmb3IgdGhpcyBsZXQgbWUga25vdy4NCg0KQmVzdCByZWdh cmRzLA0KQ29kcmluCg==