From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v8 4/8] drm/rockchip: dw-mipi-dsi: Fix error handling path Date: Fri, 02 Mar 2018 13:17:16 +0100 Message-ID: <1552223.kPgI5s5XdI@phil> References: <20180110162348.22765-1-thierry.escande@collabora.com> <13219770.NOTAg9tncx@diego> <68537204-0c41-5210-935a-0a7743ea847c@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <68537204-0c41-5210-935a-0a7743ea847c@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Enric Balletbo i Serra Cc: Neil Armstrong , Jeffy Chen , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Laurent Pinchart , Daniel Vetter List-Id: linux-rockchip.vger.kernel.org SGkgRW5yaWMsCgpBbSBGcmVpdGFnLCAyLiBNw6RyeiAyMDE4LCAxMzowOTowMiBDRVQgc2Nocmll YiBFbnJpYyBCYWxsZXRibyBpIFNlcnJhOgo+IEhpIEhlaWtvLAo+IAo+IE9uIDAxLzAzLzE4IDE2 OjUwLCBIZWlrbyBTdMO8Ym5lciB3cm90ZToKPiA+IEhpIEplZmZ5LCBUaGllcnJ5LCBFbnJpYywK PiA+IAo+ID4gQW0gTWl0dHdvY2gsIDEwLiBKYW51YXIgMjAxOCwgMTc6MjM6NDQgQ0VUIHNjaHJp ZWIgVGhpZXJyeSBFc2NhbmRlOgo+ID4+IEZyb206IEplZmZ5IENoZW4gPGplZmZ5LmNoZW5Acm9j ay1jaGlwcy5jb20+Cj4gPj4KPiA+PiBBZGQgbWlzc2luZyBwbV9ydW50aW1lX2Rpc2FibGUoKSBp biBiaW5kKCkncyBlcnJvciBoYW5kbGluZyBwYXRoLgo+ID4+Cj4gPj4gQWxzbyBjbGVhbnVwIGVu Y29kZXIgJiBjb25uZWN0b3IgaW4gdW5iaW5kKCkuCj4gPiAKPiA+IENhbiB5b3UgcGxlYXNlIHNw bGl0IGFsbCB0aGVzZSBzdXJwcmlzZSAiQWxzbyIgc2VjdGlvbnMgaW50byBzZXBhcmF0ZQo+ID4g cGF0Y2hlcz8KPiA+IAo+IAo+IEknbGwgdGFrZSBhIGxvb2suCj4gCj4gPiBJdCBsb29rcyBsaWtl IHRoaXMgaXMgdHJ1ZSBmb3IgYWxsIGZvbGxvd2luZyBwYXRjaCB0byBzb21lIGRlZ3JlZSBhbmQK PiA+IHRoZSBpbm5vLWhkbWkgcGF0Y2ggZXZlbiBoYXMgYSB1bmJpbmQgcmVvcmRlcmluZy1jaGFu Z2Ugd2l0aG91dAo+ID4gbWVudGlvbmluZyBpdCBpbiB0aGUgY29tbWl0IG1lc3NhZ2UuCj4gPiAK PiAKPiBBY3R1YWxseSwgSSB0aGluayB0aGlzIHBhdGNoIGlzIG5vdCBjb3JyZWN0IGFnYWluc3Qg Y3VycmVudCBtYWlubGluZSwgc2VlIGJlbG93Lgo+IAo+ID4gCj4gPiBUaGFua3MKPiA+IEhlaWtv Cj4gPiAKPiA+PiBGaXhlczogODBhOWEwNTlkNGU0ICgiZHJtL3JvY2tjaGlwL2RzaTogYWRkIGR3 LW1pcGkgcG93ZXIgZG9tYWluIHN1cHBvcnQiKQo+ID4+IFNpZ25lZC1vZmYtYnk6IEplZmZ5IENo ZW4gPGplZmZ5LmNoZW5Acm9jay1jaGlwcy5jb20+Cj4gPj4gU2lnbmVkLW9mZi1ieTogVGhpZXJy eSBFc2NhbmRlIDx0aGllcnJ5LmVzY2FuZGVAY29sbGFib3JhLmNvbT4KPiA+PiAtLS0KPiA+PiAg ZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMgfCAyMSArKysrKysrKysrKysr LS0tLS0tLS0KPiA+PiAgMSBmaWxlIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDggZGVsZXRp b25zKC0pCj4gPj4KPiA+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3 LW1pcGktZHNpLmMKPiA+PiBiL2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9kdy1taXBpLWRzaS5j IGluZGV4IGIxZmUwNjM5MjI3ZS4uNzhlNmI3OTE5YmY3Cj4gPj4gMTAwNjQ0Cj4gPj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMKPiA+PiArKysgYi9kcml2ZXJz L2dwdS9kcm0vcm9ja2NoaXAvZHctbWlwaS1kc2kuYwo+ID4+IEBAIC0xMjgyLDcgKzEyODIsNyBA QCBzdGF0aWMgaW50IGR3X21pcGlfZHNpX2JpbmQoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QK PiA+PiBkZXZpY2UgKm1hc3RlciwgcmV0ID0gZHdfbWlwaV9kc2lfcmVnaXN0ZXIoZHJtLCBkc2kp Owo+ID4+ICAJaWYgKHJldCkgewo+ID4+ICAJCURSTV9ERVZfRVJST1IoZGV2LCAiRmFpbGVkIHRv IHJlZ2lzdGVyIG1pcGlfZHNpOiAlZFxuIiwgcmV0KTsKPiA+PiAtCQlnb3RvIGVycl9wbGxyZWY7 Cj4gPj4gKwkJZ290byBlcnJfZGlzYWJsZV9wbGxyZWY7Cj4gPj4gIAl9Cj4gPj4KPiA+PiAgCWRz aS0+ZHNpX2hvc3Qub3BzID0gJmR3X21pcGlfZHNpX2hvc3Rfb3BzOwo+ID4+IEBAIC0xMjkwLDI0 ICsxMjkwLDI1IEBAIHN0YXRpYyBpbnQgZHdfbWlwaV9kc2lfYmluZChzdHJ1Y3QgZGV2aWNlICpk ZXYsCj4gPj4gc3RydWN0IGRldmljZSAqbWFzdGVyLCByZXQgPSBtaXBpX2RzaV9ob3N0X3JlZ2lz dGVyKCZkc2ktPmRzaV9ob3N0KTsKPiA+PiAgCWlmIChyZXQpIHsKPiA+PiAgCQlEUk1fREVWX0VS Uk9SKGRldiwgIkZhaWxlZCB0byByZWdpc3RlciBNSVBJIGhvc3Q6ICVkXG4iLCByZXQpOwo+ID4+ IC0JCWdvdG8gZXJyX2NsZWFudXA7Cj4gPj4gKwkJZ290byBlcnJfZGlzYWJsZV9wbV9ydW50aW1l Owo+ID4+ICAJfQo+ID4+Cj4gPj4gIAlpZiAoIWRzaS0+cGFuZWwpIHsKPiA+PiAgCQlyZXQgPSAt RVBST0JFX0RFRkVSOwo+ID4+IC0JCWdvdG8gZXJyX21pcGlfZHNpX2hvc3Q7Cj4gPj4gKwkJZ290 byBlcnJfdW5yZWdfbWlwaV9kc2lfaG9zdDsKPiA+PiAgCX0KPiA+Pgo+ID4+ICAJZGV2X3NldF9k cnZkYXRhKGRldiwgZHNpKTsKPiA+PiAgCXBtX3J1bnRpbWVfZW5hYmxlKGRldik7Cj4gPj4gIAly ZXR1cm4gMDsKPiA+Pgo+ID4+IC1lcnJfbWlwaV9kc2lfaG9zdDoKPiA+PiArZXJyX3VucmVnX21p cGlfZHNpX2hvc3Q6Cj4gPj4gIAltaXBpX2RzaV9ob3N0X3VucmVnaXN0ZXIoJmRzaS0+ZHNpX2hv c3QpOwo+ID4+IC1lcnJfY2xlYW51cDoKPiA+PiAtCWRybV9lbmNvZGVyX2NsZWFudXAoJmRzaS0+ ZW5jb2Rlcik7Cj4gPj4gLQlkcm1fY29ubmVjdG9yX2NsZWFudXAoJmRzaS0+Y29ubmVjdG9yKTsK PiA+PiAtZXJyX3BsbHJlZjoKPiA+PiArZXJyX2Rpc2FibGVfcG1fcnVudGltZToKPiA+PiArCXBt X3J1bnRpbWVfZGlzYWJsZShkZXYpOwo+IAo+IEkgdGhpbmsgdGhhdCB0aGlzIGlzIG5vdCByZXF1 aXJlZCwgJ3BtX3J1bnRpbWVfZW5hYmxlJyBpcyBjYWxsZWQganVzdCBiZWZvcmUgdGhlCj4gJ3Jl dHVybiAwJyAoc2VlIGFib3ZlKS4gQ29tbWl0IDUxN2Y1NjgzOWY1OCAnZHJtL3JvY2tjaGlwOiBk dy1taXBpLWRzaTogZml4Cj4gcG9zc2libGUgdW4tYmFsYW5jZWQgcnVudGltZSBQTSBlbmFibGUn IG1vdmVkIHRoZSBjYWxsIHRvIHRoYXQgcGxhY2UuIFNvLCBub3cKPiB0aGUgY2FsbCB0byBwbV9y dW50aW1lX2Rpc2FibGUgaXMgbm90IG5lZWRlZC4KPiAKPiA+PiArCWRzaS0+Y29ubmVjdG9yLmZ1 bmNzLT5kZXN0cm95KCZkc2ktPmNvbm5lY3Rvcik7Cj4gPj4gKwlkc2ktPmVuY29kZXIuZnVuY3Mt PmRlc3Ryb3koJmRzaS0+ZW5jb2Rlcik7Cj4gCj4gSGVyZSwgdGhlcmUgaXMgYSByZW9yZGVyaW5n IGFuZCBhbHNvIGEgZnVuY3Rpb24gcmVwbGFjZW1lbnQuIFRoZSByZW9yZGVyIG1ha2VzCj4gc2Vu c2UgdG8gbWUsIGZpcnN0IGNsZWFudXAgdGhlIGNvbm5lY3RvciBhbmQgdGhlbiB0aGUgZW5jb2Rl ciwgYnV0IEknbSBub3Qgc3VyZQo+IGFib3V0IHRoZSBmdW5jdGlvbiBjaGFuZ2UgYW5kIGlmIGlz IG5lZWRlZCwgYW55d2F5LCBpbiB0aGUgY2FzZSBpcyBuZWVkZWQsCj4gc2hvdWxkbid0IGJlCj4g Cj4gKwlkcm1fY29ubmVjdG9yX2NsZWFudXAoJmRzaS0+Y29ubmVjdG9yKTsKPiArCWRybV9lbmNv ZGVyX2NsZWFudXAoJmRzaS0+ZW5jb2Rlcik7Cj4gCj4gaW5zdGVhZD8KCklmIHlvdSBsb29rIGF0 IGRybS9yb2NrY2hpcC9kdy1taXBpLWRzaS5jIHlvdSdsbCBzZWUgdGhhdApkd19taXBpX2RzaV9k cm1fY29ubmVjdG9yX2Rlc3Ryb3koKSBkb2VzIGJvdGggY29ubmVjdG9yX3VucmVnaXN0ZXIoKQph bmQgZHJtX2Nvbm5lY3Rvcl9jbGVhbnVwKCkuCgpBbmQgbG9va2luZyBhdCBvdGhlciBkcml2ZXJz IGl0IHJlYWxseSBzZWVtcyB0aGF0IGNhbGxpbmcgdGhhdCBkZXN0cm95CmNhbGxiYWNrIGlzIHJl YWxseSB0aGUgd2F5IHRvIGdvLgoKCkhlaWtvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo=