From: Jean-Francois Moine Subject: Re: [PATCH v5 09/23] drm/i2c: tda998x: don't read write-only registers Date: Sun, 2 Feb 2014 18:45:12 +0100 Message-ID: <20140202184512.7fa2e3cf@armhf> References: <5269e596e16dfe40253dce38ceb0dc4a617384c1.1390986083.git.moinejf@free.fr> <20140202162309.GF26684@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from smtp3-g21.free.fr (smtp3-g21.free.fr [212.27.42.3]) by gabe.freedesktop.org (Postfix) with ESMTP id 96D3EF9E51 for ; Sun, 2 Feb 2014 09:44:54 -0800 (PST) In-Reply-To: <20140202162309.GF26684@n2100.arm.linux.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: dri-devel@lists.freedesktop.org T24gU3VuLCAyIEZlYiAyMDE0IDE2OjIzOjA5ICswMDAwClJ1c3NlbGwgS2luZyAtIEFSTSBMaW51 eCA8bGludXhAYXJtLmxpbnV4Lm9yZy51az4gd3JvdGU6Cgo+IE9uIFNhdCwgSmFuIDI1LCAyMDE0 IGF0IDA2OjE0OjQyUE0gKzAxMDAsIEplYW4tRnJhbmNvaXMgTW9pbmUgd3JvdGU6ICAKPiA+IFRo aXMgcGF0Y2ggdGFrZXMgY2FyZSBvZiB0aGUgd3JpdGUtb25seSByZWdpc3RlcnMgb2YgdGhlIHRk YTk5OHguCj4gPiAKPiA+IFRoZSByZWdpc3RlcnMgU09GVFJFU0VULCBUQkdfQ05UUkxfMCBhbmQg VEJHX0NOVFJMXzEgaGF2ZSBhbGwgYml0cwo+ID4gY2xlYXJlZCBhZnRlciByZXNldCwgc28sIHRo ZXkgbWF5IGJlIGZ1bGx5IHJlLXdyaXR0ZW4uCj4gPiAKPiA+IFRoZSByZWdpc3RlciBNQVRfQ09O VFJMIGlzIHNldCB0bwo+ID4gCU1BVF9DT05UUkxfTUFUX0JQIHwgTUFUX0NPTlRSTF9NQVRfU0Mo MSkKPiA+IGFmdGVyIHJlc2V0LCBzbywgaXQgbWF5IGJlIGZ1bGx5IHNldCBhZ2FpbiB0byB0aGlz IHZhbHVlLiAgCj4gCj4gSSBzYWlkIGluIHYzIG9mIHRoaXMgcGF0Y2gsIHdoaWNoIHNlZW1zIHRv IHJlbWFpbiB1bmFkZHJlc3NlZDoKPiAgIAo+ID4gICAgICAgLyogbXVzdCBiZSBsYXN0IHJlZ2lz dGVyIHNldDogKi8KPiA+IC0gICAgIHJlZ19jbGVhcihwcml2LCBSRUdfVEJHX0NOVFJMXzAsIFRC R19DTlRSTF8wX1NZTkNfT05DRSk7Cj4gPiArICAgICByZWdfd3JpdGUocHJpdiwgUkVHX1RCR19D TlRSTF8wLCAwKTsgIAo+IAo+IFJlZ2lzdGVyIGNoYW5nZXMgd2hpY2ggaGF2ZSBhIHBvdGVudGlh bCBlZmZlY3Qgc2hvdWxkbid0IGJlIHBhcnQgb2YgYQo+IHBhdGNoIHdoaWNoIGlzIHJlYWxseSBv bmx5IHRyeWluZyB0byBhdm9pZCByZWFkaW5nIGZyb20gd3JpdGUgb25seQo+IHJlZ2lzdGVycy4K PiAKPiBUaGlzIGNvdWxkIGJlIGEgcG90ZW50aWFsIGZ1bmN0aW9uYWwgY2hhbmdlIC0gYW5kIGl0 J3MgcHJvYmFibHkgb25lCj4gd2hpY2ggUm9iIENsYXJrIHNob3VsZCBhdCBsZWFzdCBiZSBtYWRl IGF3YXJlIG9mLiAgQXMgSSBjb21tZW50ZWQgbGFzdAo+IHRpbWUsIHdoZW4geW91J3JlIGNoYW5n aW5nIHJlZ2lzdGVyIHZhbHVlcyBpbiBhbiBvdGhlcndpc2UgaW5ub2N1b3VzCj4gcGF0Y2gsIHlv dSBzaG91bGQgY29tbWVudCBhYm91dCB0aGVtIGluIHRoZSBwYXRjaCBkZXNjcmlwdGlvbi4gIAoK QWNjb3JkaW5nIHRvIHRoZSB0ZGE5OTgzYiBkb2N1bWVudGF0aW9uLCB0aGUgcmVnaXN0ZXIgVEJH X0NOVFJMXzAgaXMKc2V0IHRvIDAgYXQgcmVzZXQgdGltZS4gSSB0aGluayB0aGF0IGl0IGlzIHRo ZSBzYW1lIGZvciBhbGwgdGhlIHRkYTk5OHgKZmFtaWx5LiBJbiB0aGUgb3RoZXIgaGFuZCwgdGhp cyByZWdpc3RlciBpcyBzdXBwb3NlZCB0byBiZSB3cml0ZSBvbmx5LApzbyByZWFkaW5nIGl0IG1h eSByZXR1cm4gYW55IHZhbHVlLCBhbmQgdGhlIHJlZ19jbGVhcigpIGZ1bmN0aW9uIG1heQpzZXQg YW55IG90aGVyIGJpdHMuIFRoZW4sIGNsZWFyaW5nIG9uZSBiaXQgaXMgbGVzcyBzZWN1cmUgdGhh biBjbGVhcmluZwp0aGUgZnVsbCByZWdpc3Rlci4KCi0tIApLZW4gYXIgYydoZW50YcOxCXwJICAg ICAgKiogQnJlaXpoIGhhIExpbnV4IGF0YXYhICoqCkplZgkJfAkJaHR0cDovL21vaW5lamYuZnJl ZS5mci8KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJp LWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK