From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Shevchenko, Andriy" Subject: Re: [PATCH 11/31] dma: add channel request API that supports deferred probe Date: Mon, 18 Nov 2013 09:18:19 +0000 Message-ID: <1384766276.14845.155.camel@smile> References: <1384548866-13141-1-git-send-email-swarren@wwwdotorg.org> <1384548866-13141-12-git-send-email-swarren@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <6B367E4533E1FC44AA6347334DD536D6-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Williams, Dan J" Cc: Stephen Warren , Stephen Warren , "treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org" , "pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "Koul, Vinod" List-Id: linux-tegra@vger.kernel.org T24gRnJpLCAyMDEzLTExLTE1IGF0IDEzOjAxIC0wODAwLCBEYW4gV2lsbGlhbXMgd3JvdGU6DQo+ IE9uIEZyaSwgTm92IDE1LCAyMDEzIGF0IDEyOjU0IFBNLCBTdGVwaGVuIFdhcnJlbiA8c3dhcnJl bkB3d3dkb3Rvcmcub3JnPiB3cm90ZToNCg0KPiA+IEV2ZW50dWFsbHksIGFsbCBkcml2ZXJzIHNo b3VsZCBiZSBjb252ZXJ0ZWQgdG8gdGhpcyBuZXcgQVBJLCB0aGUgb2xkIEFQSQ0KPiA+IHJlbW92 ZWQsIGFuZCB0aGUgbmV3IEFQSSByZW5hbWVkIHRvIHRoZSBtb3JlIGRlc2lyYWJsZSBuYW1lLiAN Cg0KSSByZWFsbHkgd291bGQgbGlrZSB0byBzZWUgbW9yZSBzZW5zaWJsZSBhbmQgc2hvcnRlciBu YW1lcyBmb3IgdGhlIEFQSQ0KZnVuY3Rpb25zLg0KDQpbXQ0KDQo+ID4gYWNwaV9kbWFfcmVxdWVz dF9zbGF2ZV9jaGFuX2J5X2luZGV4KCkgZG9lc24ndCBhY3R1YWxseSBpbXBsZW1lbnQNCj4gPiBk ZWZlcnJlZCBwcm9iZS4gUGVyaGFwcyBpdCBzaG91bGQ/DQoNClllcyBpdCBzaG91bGQsIHRob3Vn aCBJIHByb3Bvc2Ugd2Ugd2lsbCBhZGQgdGhpcyBhIGJpdCBsYXRlciBzaW5jZSB3ZQ0Kd2lsbCBz dXJ2aXZlIHcvbyBpdC4NCg0KTXkgY29tbWVudHMgcmVnYXJkaW5nIGFjcGktZG1hLmMgYmVsb3cu DQoNCltdDQoNCj4gPiAtLS0gYS9kcml2ZXJzL2RtYS9hY3BpLWRtYS5jDQo+ID4gKysrIGIvZHJp dmVycy9kbWEvYWNwaS1kbWEuYw0KPiA+IEBAIC0zMzQsNyArMzM0LDcgQEAgc3RhdGljIGludCBh Y3BpX2RtYV9wYXJzZV9maXhlZF9kbWEoc3RydWN0IGFjcGlfcmVzb3VyY2UgKnJlcywgdm9pZCAq ZGF0YSkNCj4gPiAgICogQGRldjogICAgICAgc3RydWN0IGRldmljZSB0byBnZXQgRE1BIHJlcXVl c3QgZnJvbQ0KPiA+ICAgKiBAaW5kZXg6ICAgICBpbmRleCBvZiBGaXhlZERNQSBkZXNjcmlwdG9y IGZvciBAZGV2DQo+ID4gICAqDQo+ID4gLSAqIFJldHVybnMgcG9pbnRlciB0byBhcHByb3ByaWF0 ZSBkbWEgY2hhbm5lbCBvbiBzdWNjZXNzIG9yIE5VTEwgb24gZXJyb3IuDQo+ID4gKyAqIFJldHVy bnMgcG9pbnRlciB0byBhcHByb3ByaWF0ZSBkbWEgY2hhbm5lbCBvbiBzdWNjZXNzIG9yIGFuIGVy cm9yIHBvaW50ZXIuDQo+ID4gICAqLw0KPiA+ICBzdHJ1Y3QgZG1hX2NoYW4gKmFjcGlfZG1hX3Jl cXVlc3Rfc2xhdmVfY2hhbl9ieV9pbmRleChzdHJ1Y3QgZGV2aWNlICpkZXYsDQo+ID4gICAgICAg ICAgICAgICAgIHNpemVfdCBpbmRleCkNCj4gPiBAQCAtMzQ5LDEwICszNDksMTAgQEAgc3RydWN0 IGRtYV9jaGFuICphY3BpX2RtYV9yZXF1ZXN0X3NsYXZlX2NoYW5fYnlfaW5kZXgoc3RydWN0IGRl dmljZSAqZGV2LA0KDQpXZSB1c2UgZGVmYXVsdCB2YWx1ZSBvZiBjaGFuIGlmIGl0J3Mgbm90IGZv dW5kLiBQZXJoYXBzIHlvdSBoYXZlIHRvDQpjaGFuZ2UgaXQgYXMgd2VsbCB0byBzb21ldGhpbmcg bGlrZSBFUlJfUFRSKC1FTk9FTlQpLg0KDQpbXQ0KDQo+ID4gQEAgLTM2Nyw3ICszNjcsNyBAQCBz dHJ1Y3QgZG1hX2NoYW4gKmFjcGlfZG1hX3JlcXVlc3Rfc2xhdmVfY2hhbl9ieV9pbmRleChzdHJ1 Y3QgZGV2aWNlICpkZXYsDQo+ID4gICAgICAgICBhY3BpX2Rldl9mcmVlX3Jlc291cmNlX2xpc3Qo JnJlc291cmNlX2xpc3QpOw0KPiA+DQo+ID4gICAgICAgICBpZiAoZG1hX3NwZWMtPnNsYXZlX2lk IDwgMCB8fCBkbWFfc3BlYy0+Y2hhbl9pZCA8IDApDQo+ID4gLSAgICAgICAgICAgICAgIHJldHVy biBOVUxMOw0KPiA+ICsgICAgICAgICAgICAgICByZXR1cm4gRVJSX1BUUigtRU5PREVWKTsNCg0K SW4gdGhpcyBjYXNlIEkgd291bGQgcmF0aGVyIHVzZSAtRU5PREFUQSwgc2luY2UgaXQgbWVhbnMg d2UgaGF2ZSBubw0KRml4ZWRETUEgZGVzY3JpcHRvciBmb3IgdGhlIGRldmljZSB1bmRlciBxdWVz dGlvbi4NCg0KW10NCg0KPiA+ICBzdHJ1Y3QgZG1hX2NoYW4gKmFjcGlfZG1hX3JlcXVlc3Rfc2xh dmVfY2hhbl9ieV9uYW1lKHN0cnVjdCBkZXZpY2UgKmRldiwNCj4gPiAgICAgICAgICAgICAgICAg Y29uc3QgY2hhciAqbmFtZSkNCj4gPiBAQCAtNDE1LDcgKzQxNSw3IEBAIHN0cnVjdCBkbWFfY2hh biAqYWNwaV9kbWFfcmVxdWVzdF9zbGF2ZV9jaGFuX2J5X25hbWUoc3RydWN0IGRldmljZSAqZGV2 LA0KPiA+ICAgICAgICAgZWxzZSBpZiAoIXN0cmNtcChuYW1lLCAicngiKSkNCj4gPiAgICAgICAg ICAgICAgICAgaW5kZXggPSAxOw0KPiA+ICAgICAgICAgZWxzZQ0KPiA+IC0gICAgICAgICAgICAg ICByZXR1cm4gTlVMTDsNCj4gPiArICAgICAgICAgICAgICAgcmV0dXJuIEVSUl9QVFIoLUVOT0RF Vik7DQoNClBlcmhhcHMgLUVJTlZBTCwgc2luY2UgaXQgbWVhbnMgdGhlIGlucHV0IHBhcmFtZXRl ciBraW5kYSB3cm9uZy4NCg0KDQotLSANCkFuZHkgU2hldmNoZW5rbyA8YW5kcml5LnNoZXZjaGVu a29AaW50ZWwuY29tPg0KSW50ZWwgRmlubGFuZCBPeQ0KLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCkludGVsIEZpbmxh bmQgT3kKUmVnaXN0ZXJlZCBBZGRyZXNzOiBQTCAyODEsIDAwMTgxIEhlbHNpbmtpIApCdXNpbmVz cyBJZGVudGl0eSBDb2RlOiAwMzU3NjA2IC0gNCAKRG9taWNpbGVkIGluIEhlbHNpbmtpIAoKVGhp cyBlLW1haWwgYW5kIGFueSBhdHRhY2htZW50cyBtYXkgY29udGFpbiBjb25maWRlbnRpYWwgbWF0 ZXJpYWwgZm9yCnRoZSBzb2xlIHVzZSBvZiB0aGUgaW50ZW5kZWQgcmVjaXBpZW50KHMpLiBBbnkg cmV2aWV3IG9yIGRpc3RyaWJ1dGlvbgpieSBvdGhlcnMgaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4g SWYgeW91IGFyZSBub3QgdGhlIGludGVuZGVkCnJlY2lwaWVudCwgcGxlYXNlIGNvbnRhY3QgdGhl IHNlbmRlciBhbmQgZGVsZXRlIGFsbCBjb3BpZXMuCg==