From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx07-00178001.pphosted.com ([62.209.51.94]:26430 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752548AbbLKIu2 (ORCPT ); Fri, 11 Dec 2015 03:50:28 -0500 From: Fabien DESSENNE To: Ran Shalit , Nicolas Dufresne CC: "linux-media@vger.kernel.org" Date: Fri, 11 Dec 2015 09:50:16 +0100 Subject: Re: v4l2 kernel module debugging methods Message-ID: <566A8E48.7080603@st.com> References: <1449361427.31991.17.camel@collabora.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org List-ID: SGkgUmFuLA0KDQpPbiAxMi8xMC8yMDE1IDEwOjQ2IFBNLCBSYW4gU2hhbGl0IHdyb3RlOg0KPiBP biBTdW4sIERlYyA2LCAyMDE1IGF0IDI6MjMgQU0sIE5pY29sYXMgRHVmcmVzbmUNCj4gPG5pY29s YXMuZHVmcmVzbmVAY29sbGFib3JhLmNvbT4gd3JvdGU6DQo+PiBMZSBkaW1hbmNoZSAwNiBkw6lj ZW1icmUgMjAxNSDDoCAwMDowMCArMDIwMCwgUmFuIFNoYWxpdCBhIMOpY3JpdCA6DQo+Pj4gSGVs bG8sDQo+Pj4NCj4+PiBJIHdvdWxkIGxpa2UgdG8gYXNrIGEgZ2VuZXJhbCBxdWVzdGlvbiByZWdh cmRpbmcgbWV0aG9kcyB0byBkZWJ1ZyBhDQo+Pj4gdjRsMiBkZXZpY2UgZHJpdmVyLg0KPj4+IFNp bmNlIEkgYXNzdW1lIHRoYXQgdGhlIGtlcm5lbCBkcml2ZXIgd2lsbCBwcm9iYWJseSB3b24ndCB3 b3JrIGluDQo+Pj4gZmlyc3QgdHJ5IGFmdGVyIGNvZGluZyBldmVyeXRoaW5nIGluc2lkZSB0aGUg ZGV2aWNlIGRyaXZlci4uLg0KPj4+DQo+Pj4gMS4gRG8geW91IHRoaW5rIHFlbXUva2dkYiBkZWJ1 Z2dlciBpcyBhIGdvb2QgbWV0aG9kIGZvciB0aGUgZGV2aWNlDQo+Pj4gZHJpdmVyIGRlYnVnZ2lu ZyAsIG9yIGlzIGl0IHBsYWluIHByaW50aW5nID8NCj4+Pg0KPj4+IDIuIElzIHRoZXJlIGEgc2lt cGxlIHdheSB0byBkaXNwbGF5IHRoZSBpbWFnZSBvZiBhIFlVVi1saWtlIGJ1ZmZlciBpbg0KPj4+ IG1lbW9yeSA/DQo+Pg0KPj4gTW9zdCBMaW51eCBkaXN0cmlidXRpb24gc2hpcHMgR1N0cmVhbWVy LiBZb3UgY2FuIHdpdGggR1N0cmVhbWVyIHJlYWQNCj4+IGFuZCBkaXNwbGF5IGEgcmF3IFlVViBp bWFnZXMgKHlvdSBuZWVkIHRvIGtub3cgdGhlIHNwZWNpZmljIGZvcm1hdCkNCj4+IHVzaW5nIHZp ZGVvcGFyc2UgZWxlbWVudC4NCj4+DQo+PiAgICBnc3QtbGF1bmNoLTEuMCBmaWxlc3JjIGxvY2F0 aW9uPW15Lnl1diAhIHZpZGVvcGFyc2UgZm9ybWF0PXl1eTIgd2lkdGg9MzIwIGhlaWdodD0yNDAg ISBpbWFnZWZyZWV6ZSAhIHZpZGVvY29udmVydCAhIGF1dG92aWRlb3NpbmsNCj4+DQo+PiBZb3Ug Y291bGQgYWxzbyBlbmNvZGUgYW5kIHN0b3JlIHRvIHZhcmlvdXMgZm9ybWF0cywgcmVwbGFjaW5n IHRoZQ0KPj4gaW1hZ2VmcmVlemUgLi4uIHNlY3Rpb24gd2l0aCBhbiBlbmNvZGVyIGFuZCBhIGZp bGVzaW5rLiBOb3RlIHRoYXQNCj4+IHZpZGVvcGFyc2UgdW5mb3J0dW5hdGx5IGRvZXMgbm90IGFs bG93IHBhc3Npbmcgc3RyaWRlcyBhcnJheSBvcg0KPj4gb2Zmc2V0cy4gU28gaXQgd2lsbCB3b3Jr IG9ubHkgaWYgeW91IHNldCB0aGUgd2lkdGgvaGVpZ2h0IHRvIHBhZGRlZA0KPj4gd2lkdGgvaGVp Z2h0Lg0KPj4NCj4+IHJlZ2FyZHMsDQo+PiBOaWNvbGFzDQo+DQo+IEhpIE5pY29sYXMsDQo+DQo+ IFRoYW5rIHlvdSBmb3IgdGhlIGNvbW1lbnQuDQo+IEFzIHNvbWVvbmUgZXhwcmVpbmNlZCB3aXRo IHY0bDIgZGV2aWNlIGRyaXZlciwgZG8geW91IHJlY29tbWVuZWQgdXNpbmcNCj4gZGVidWdnaW5n IHRlY2huaXF1ZSBzdWNoIGFzIHFlbXUgKG9yIGtnZGIpIG9yIGRvIHlvdSByYXRoZXIgdXNlIHBs YWluDQo+IHByaW50aW5nID8NCj4NCj4gVGhhbmsgeW91IHZlcnkgbXVjaCwNCj4gUmFuDQoNCg0K WW91IGNhbiBnZXQgc2V2ZXJhbCBsZXZlbCBvZiBsb2dzLg0KRmlyc3QsIHlvdSBjYW4gZW5hYmxl IHY0bDIgY29yZSBkZWJ1ZyBsb2dzLiBFeGFtcGxlOg0KICBlY2hvIDMgPiAvc3lzL2NsYXNzL3Zp ZGVvNGxpbnV4L3ZpZGVvMC9kZWJ1Zw0KTW9yZSBkZXRhaWxzOiANCmh0dHBzOi8vd3d3Lmtlcm5l bC5vcmcvZG9jL0RvY3VtZW50YXRpb24vdmlkZW80bGludXgvdjRsMi1mcmFtZXdvcmsudHh0DQoN CklmIHRoZSB0ZXN0ZWQgZHJpdmVyIHVzZXMgdGhlIHY0bDJfbWVtMm1lbSBmcmFtZXdvcmsgeW91 IGNhbiBnZXQgTTJNIA0KbG9ncyB3aXRoOg0KICBlY2hvIFkgPiAvc3lzL21vZHVsZS92NGwyX21l bTJtZW0vcGFyYW1ldGVycy9kZWJ1Zw0KDQpHZXQgYWxzbyBpbnRlcm5hbCB2YjIgbG9ncyB3aXRo Og0KICBlY2hvIDMgPiAvc3lzL21vZHVsZS92aWRlb2J1ZjJfY29yZS9wYXJhbWV0ZXJzL2RlYnVn DQoNCkFuZCBvcHRpb25hbGx5IG1vcmUgbG9ncyB1c2luZyB0aGUgZHluYW1pYyBkZWJ1ZyBmZWF0 dXJlOiANCihodHRwczovL3d3dy5rZXJuZWwub3JnL2RvYy9Eb2N1bWVudGF0aW9uL2R5bmFtaWMt ZGVidWctaG93dG8udHh0KS4gRXhhbXBsZToNCiAgZWNobyAibW9kdWxlIG15X2RyaXZlciArcCIg PiAvc3lzL2tlcm5lbC9kZWJ1Zy9keW5hbWljX2RlYnVnL2NvbnRyb2wNCg0KRmFiaWVu