From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philippe CORNU Subject: Re: [PATCH] drm/bridge/synopsys: dsi: readl_poll_timeout return value clean up Date: Fri, 2 Mar 2018 13:15:49 +0000 Message-ID: <587f8a32-b9b3-0e81-d91d-69ea256bdc29@st.com> References: <20180204213624.18288-1-philippe.cornu@st.com> <172e7f68-8f4b-7e5f-3e9f-7aaf10a51dc9@st.com> <290c749a-70bf-2b74-1fb9-2de26708d001@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [62.209.51.94]) by gabe.freedesktop.org (Postfix) with ESMTPS id CE02488E35 for ; Fri, 2 Mar 2018 13:16:04 +0000 (UTC) In-Reply-To: <290c749a-70bf-2b74-1fb9-2de26708d001@samsung.com> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrzej Hajda , Archit Taneja , Laurent Pinchart , David Airlie , Brian Norris , Benjamin Gaignard , Bhumika Goyal , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , Sandy Huang , Heiko Stubner , "linux-arm-kernel@lists.infradead.org" , "linux-rockchip@lists.infradead.org" Cc: Yannick FERTRE , Vincent ABRIOU , Alexandre TORGUE List-Id: dri-devel@lists.freedesktop.org SGkgQW5kcnplaiwNCg0KDQpPbiAwMy8wMi8yMDE4IDExOjIxIEFNLCBBbmRyemVqIEhhamRhIHdy b3RlOg0KPiBPbiAwMS4wMy4yMDE4IDEwOjAwLCBQaGlsaXBwZSBDT1JOVSB3cm90ZToNCj4+IEhp IEFyY2hpdCwgQW5kcnplaiAmIExhdXJlbnQsDQo+Pg0KPj4gTWF5IEkgYXNrIHlvdSBwbGVhc2Ug eW91ciBmZWVkYmFjayBvbiB0aGlzIHNtYWxsIHBhdGNoPw0KPj4gTWFueSB0aGFua3MsDQo+Pg0K Pj4gUGhpbGlwcGUgOi0pDQo+Pg0KPj4gT24gMDIvMDQvMjAxOCAxMDozNiBQTSwgUGhpbGlwcGUg Q29ybnUgd3JvdGU6DQo+Pj4gVGhlIHJlYWRsX3BvbGxfdGltZW91dCgpIHJldHVybiB2YWx1ZSBp cyAwIGluIGNhc2Ugb2Ygc3VjY2Vzcw0KPj4+IHNvIGl0IGlzIGJldHRlciB0byBkZXRlY3QgZXJy b3JzIHdpdGhvdXQgdGFraW5nIGNhcmUgb2YgdGhlDQo+Pj4gcmV0dXJuIHZhbHVlIHNpZ24uDQo+ Pj4NCj4+PiBTaWduZWQtb2ZmLWJ5OiBQaGlsaXBwZSBDb3JudSA8cGhpbGlwcGUuY29ybnVAc3Qu Y29tPg0KPiANCj4gVGhlIHBhdGNoIGlzIG9mIGNvdXJzZSBjb3JyZWN0LiBIb3dldmVyIEkgYW0g bm90IHN1cmUgaWYgbmVjZXNzYXJ5LiBGb3INCj4gc3VyZSBmdW5jdGlvbmFsbHkgaXQgZG9lcyBu b3QgY2hhbmdlIGFueXRoaW5nLg0KPiBBRkFJSyBrZXJuZWwgQ29kaW5nU3R5bGUgc2F5cyBub3Ro aW5nIGFib3V0IGl0LCBzbyBJIHN1cHBvc2UgaXQgaXMNCj4gbWF0dGVyIG9mIHBlcnNvbmFsIHRh c3RlLg0KDQpJIHNlbnQgdGhpcyB0aW55IHBhdGNoIGluIG9yZGVyIHRvIGhvbW9nZW5pemUgdGhl IGR3IG1pcGkgZHJpdmVyIGJlY2F1c2UgDQp0aGVyZSB3ZXJlIGJvdGggY2FzZXMgImlmIChyZXQp IiAmICJpZiAocmV0IDwgMCkiIGluIHRoZSBzb3VyY2UgY29kZS4NCg0KSSBkaWQgbm90IHJlYWxs eSBmaW5kIGEgcHJlZmVycmVkIHdheSBpbiB0aGUga2VybmVsIHNvdXJjZSBjb2RlIHNvIEkgDQpz ZWxlY3RlZCB3aGF0IHNvdW5kcyB0aGUgYmVzdCB0byBtZSBpZSAiaWYgKHJldCkiIGJ1dCBpdCBp cyBub3QgYSANCnByb2JsZW0gdG8gbWFrZSBhbm90aGVyIHBhdGNoIGZvciAiaWYgKHJldCA8IDAp IiBldmVyeXdoZXJlIDotKQ0KDQpJbiBhbnkgY2FzZSwgdGhlIG1vc3QgaW1wb3J0YW50IGZyb20g bXkgcG92IGlzIHRvIGhhdmUgYSBob21vZ2VuZW91cyANCnNvdXJjZSBjb2RlIDotKQ0KDQpEb2Vz IGFueW9uZSBoYXZlIGEgcHJlZmVycmVkIGNob2ljZSBiZXR3ZWVuICJpZiAocmV0KSIgJiAiaWYg KHJldCA8IDApIiANCmFmdGVyIGEgInJldCA9IHJlYWRsX3BvbGxfdGltZW91dCgpIj8NCg0KPiBB bnl3YXkgSSBjYW4gZ2l2ZSBpdDoNCj4gUmV2aWV3ZWQtYnk6IEFuZHJ6ZWogSGFqZGEgPGEuaGFq ZGFAc2Ftc3VuZy5jb20+DQoNCk1hbnkgdGhhbmtzLA0KUGhpbGlwcGUgOikNCg0KPiANCj4gIMKg LS0NCj4gUmVnYXJkcw0KPiBBbmRyemVqDQo+IA0KPj4+IC0tLQ0KPj4+ICAgIGRyaXZlcnMvZ3B1 L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctbWlwaS1kc2kuYyB8IDEwICsrKysrLS0tLS0NCj4+PiAg ICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQ0KPj4+DQo+ Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctbWlwaS1k c2kuYyBiL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctbWlwaS1kc2kuYw0KPj4+ IGluZGV4IDY1YWViM2Y3OGI0OC4uNGQwZTg0NzFhMTVjIDEwMDY0NA0KPj4+IC0tLSBhL2RyaXZl cnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctbWlwaS1kc2kuYw0KPj4+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctbWlwaS1kc2kuYw0KPj4+IEBAIC0zNDIsNyAr MzQyLDcgQEAgc3RhdGljIGludCBkd19taXBpX2RzaV9nZW5fcGt0X2hkcl93cml0ZShzdHJ1Y3Qg ZHdfbWlwaV9kc2kgKmRzaSwgdTMyIGhkcl92YWwpDQo+Pj4gICAgCXJldCA9IHFxKGRzaS0+YmFz ZSArIERTSV9DTURfUEtUX1NUQVRVUywNCj4+PiAgICAJCQkJIHZhbCwgISh2YWwgJiBHRU5fQ01E X0ZVTEwpLCAxMDAwLA0KPj4+ICAgIAkJCQkgQ01EX1BLVF9TVEFUVVNfVElNRU9VVF9VUyk7DQo+ Pj4gLQlpZiAocmV0IDwgMCkgew0KPj4+ICsJaWYgKHJldCkgew0KPj4+ICAgIAkJZGV2X2Vycihk c2ktPmRldiwgImZhaWxlZCB0byBnZXQgYXZhaWxhYmxlIGNvbW1hbmQgRklGT1xuIik7DQo+Pj4g ICAgCQlyZXR1cm4gcmV0Ow0KPj4+ICAgIAl9DQo+Pj4gQEAgLTM1Myw3ICszNTMsNyBAQCBzdGF0 aWMgaW50IGR3X21pcGlfZHNpX2dlbl9wa3RfaGRyX3dyaXRlKHN0cnVjdCBkd19taXBpX2RzaSAq ZHNpLCB1MzIgaGRyX3ZhbCkNCj4+PiAgICAJcmV0ID0gcmVhZGxfcG9sbF90aW1lb3V0KGRzaS0+ YmFzZSArIERTSV9DTURfUEtUX1NUQVRVUywNCj4+PiAgICAJCQkJIHZhbCwgKHZhbCAmIG1hc2sp ID09IG1hc2ssDQo+Pj4gICAgCQkJCSAxMDAwLCBDTURfUEtUX1NUQVRVU19USU1FT1VUX1VTKTsN Cj4+PiAtCWlmIChyZXQgPCAwKSB7DQo+Pj4gKwlpZiAocmV0KSB7DQo+Pj4gICAgCQlkZXZfZXJy KGRzaS0+ZGV2LCAiZmFpbGVkIHRvIHdyaXRlIGNvbW1hbmQgRklGT1xuIik7DQo+Pj4gICAgCQly ZXR1cm4gcmV0Ow0KPj4+ICAgIAl9DQo+Pj4gQEAgLTM4NSw3ICszODUsNyBAQCBzdGF0aWMgaW50 IGR3X21pcGlfZHNpX3dyaXRlKHN0cnVjdCBkd19taXBpX2RzaSAqZHNpLA0KPj4+ICAgIAkJcmV0 ID0gcmVhZGxfcG9sbF90aW1lb3V0KGRzaS0+YmFzZSArIERTSV9DTURfUEtUX1NUQVRVUywNCj4+ PiAgICAJCQkJCSB2YWwsICEodmFsICYgR0VOX1BMRF9XX0ZVTEwpLCAxMDAwLA0KPj4+ICAgIAkJ CQkJIENNRF9QS1RfU1RBVFVTX1RJTUVPVVRfVVMpOw0KPj4+IC0JCWlmIChyZXQgPCAwKSB7DQo+ Pj4gKwkJaWYgKHJldCkgew0KPj4+ICAgIAkJCWRldl9lcnIoZHNpLT5kZXYsDQo+Pj4gICAgCQkJ CSJmYWlsZWQgdG8gZ2V0IGF2YWlsYWJsZSB3cml0ZSBwYXlsb2FkIEZJRk9cbiIpOw0KPj4+ICAg IAkJCXJldHVybiByZXQ7DQo+Pj4gQEAgLTcxNiwxMyArNzE2LDEzIEBAIHN0YXRpYyB2b2lkIGR3 X21pcGlfZHNpX2RwaHlfZW5hYmxlKHN0cnVjdCBkd19taXBpX2RzaSAqZHNpKQ0KPj4+ICAgIA0K Pj4+ICAgIAlyZXQgPSByZWFkbF9wb2xsX3RpbWVvdXQoZHNpLT5iYXNlICsgRFNJX1BIWV9TVEFU VVMsIHZhbCwNCj4+PiAgICAJCQkJIHZhbCAmIFBIWV9MT0NLLCAxMDAwLCBQSFlfU1RBVFVTX1RJ TUVPVVRfVVMpOw0KPj4+IC0JaWYgKHJldCA8IDApDQo+Pj4gKwlpZiAocmV0KQ0KPj4+ICAgIAkJ RFJNX0RFQlVHX0RSSVZFUigiZmFpbGVkIHRvIHdhaXQgcGh5IGxvY2sgc3RhdGVcbiIpOw0KPj4+ ICAgIA0KPj4+ICAgIAlyZXQgPSByZWFkbF9wb2xsX3RpbWVvdXQoZHNpLT5iYXNlICsgRFNJX1BI WV9TVEFUVVMsDQo+Pj4gICAgCQkJCSB2YWwsIHZhbCAmIFBIWV9TVE9QX1NUQVRFX0NMS19MQU5F LCAxMDAwLA0KPj4+ICAgIAkJCQkgUEhZX1NUQVRVU19USU1FT1VUX1VTKTsNCj4+PiAtCWlmIChy ZXQgPCAwKQ0KPj4+ICsJaWYgKHJldCkNCj4+PiAgICAJCURSTV9ERUJVR19EUklWRVIoImZhaWxl ZCB0byB3YWl0IHBoeSBjbGsgbGFuZSBzdG9wIHN0YXRlXG4iKTsNCj4+PiAgICB9DQo+Pj4gICAg DQo+IA0KPiAKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K ZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==