From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Yan Subject: Re: [PATCH V4 5/6] dw-hdmi: add support for multi byte register width access Date: Sat, 08 Nov 2014 11:19:42 +0800 Message-ID: <545D8BCE.1030202@rock-chips.com> References: <1415360068-8606-1-git-send-email-andy.yan@rock-chips.com> <1415360125-8655-1-git-send-email-andy.yan@rock-chips.com> <1415360707.2776.1.camel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1415360707.2776.1.camel@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: Lucas Stach Cc: heiko@sntech.de, airlied@linux.ie, dri-devel@lists.freedesktop.org, ykk@rock-chips.com, devel@driverdev.osuosl.org, linux-rockchip@lists.infradead.org, Grant Likely , Dave Airlie , jay.xu@rock-chips.com, devicetree@vger.kernel.org, Zubair.Kakakhel@imgtec.com, Arnd Bergmann , Inki Dae , Rob Herring , Sean Paul , rmk+kernel@arm.linux.org.uk, fabio.estevam@freescale.com, Josh Boyer , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, djkurtz@google.com, Philipp Zabel , Shawn Guo List-Id: dri-devel@lists.freedesktop.org Ck9uIDIwMTTlubQxMeaciDA35pelIDE5OjQ1LCBMdWNhcyBTdGFjaCB3cm90ZToKPiBBbSBGcmVp dGFnLCBkZW4gMDcuMTEuMjAxNCwgMTk6MzUgKzA4MDAgc2NocmllYiBBbmR5IFlhbjoKPj4gT24g cm9ja2NoaXAgcmszMjg4LCBvbmx5IHdvcmQoMzItYml0KSBhY2Nlc3NlcyBhcmUKPj4gcGVybWl0 dGVkIGZvciBoZG1pIHJlZ2lzdGVycy4gIEJ5dGUgd2lkdGggYWNjZXNzICh3cml0ZWIsCj4+IHJl YWRiKSBnZW5lcmF0ZXMgYW4gaW1wcmVjaXNlIGV4dGVybmFsIGFib3J0Lgo+Pgo+PiBTaWduZWQt b2ZmLWJ5OiBBbmR5IFlhbiA8YW5keS55YW5Acm9jay1jaGlwcy5jb20+Cj4+IC0tLQo+PiAgIGRy aXZlcnMvZ3B1L2RybS9icmlkZ2UvZHdfaGRtaS5jIHwgNDkgKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKy0tLQo+PiAgIDEgZmlsZSBjaGFuZ2VkLCA0NiBpbnNlcnRpb25zKCsp LCAzIGRlbGV0aW9ucygtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2JyaWRn ZS9kd19oZG1pLmMgYi9kcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2R3X2hkbWkuYwo+PiBpbmRleCBk Zjc2YThjLi45ODY3NjQyIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2R3 X2hkbWkuYwo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2R3X2hkbWkuYwo+PiBAQCAt MTI2LDE5ICsxMjYsNDIgQEAgc3RydWN0IGR3X2hkbWkgewo+IFsuLi5dCj4+ICsJdTMyIHZhbDsK Pj4gKwo+PiArCWlmICghb2ZfcHJvcGVydHlfcmVhZF91MzIobnAsICJyZWctaW8td2lkdGgiLCAm dmFsKSkgewo+PiArCQlzd2l0Y2ggKHZhbCkgewo+PiArCQljYXNlIDQ6Cj4+ICsJCQloZG1pLT53 cml0ZSA9IGR3X2hkbWlfd3JpdGVsOwo+PiArCQkJaGRtaS0+cmVhZCA9IGR3X2hkbWlfcmVhZGw7 Cj4+ICsJCQloZG1pLT5yZWdfc2hpZnQgPSAyOwo+PiArCQkJYnJlYWs7Cj4+ICsJCWRlZmF1bHQ6 Cj4+ICsJCQloZG1pLT53cml0ZSA9IGR3X2hkbWlfd3JpdGViOwo+PiArCQkJaGRtaS0+cmVhZCA9 IGR3X2hkbWlfcmVhZGI7Cj4+ICsJCQloZG1pLT5yZWdfc2hpZnQgPSAwOwo+PiArCQkJYnJlYWs7 Cj4+ICsJCX0KPj4gKwl9IGVsc2Ugewo+PiArCQloZG1pLT53cml0ZSA9IGR3X2hkbWlfd3JpdGVi Owo+PiArCQloZG1pLT5yZWFkID0gZHdfaGRtaV9yZWFkYjsKPj4gKwkJaGRtaS0+cmVnX3NoaWZ0 ID0gMDsKPj4gKwl9Cj4+ICAgCj4+ICAgCWRkY19ub2RlID0gb2ZfcGFyc2VfcGhhbmRsZShucCwg ImRkYy1pMmMtYnVzIiwgMCk7Cj4+ICAgCWlmIChkZGNfbm9kZSkgewo+IFRoaXMgc2hvdWxkIHRo cm93IGFuIGVycm9yIGlmIHRoZSBwcm9wZXJ0eSB2YWx1ZSBpbiBkZXZpY2V0cmVlIGlzIG5vdAo+ IHJlY29nbml6ZWQuIFRoaXMgY291bGQgYmUgc2ltcGxpZmllZCBsaWtlIHRoaXM6Cj4KPiAJdTMy IHZhbCA9IDE7Cj4KPiAJLy8gdGhpcyB3b24ndCB0b3VjaCB2YWwgaWYgaXQgY2FuJ3QgZmluZCB0 aGUgcHJvcGVydHkKPiAJb2ZfcHJvcGVydHlfcmVhZF91MzIobnAsICJyZWctaW8td2lkdGgiLCAm dmFsKQo+Cj4KPiAJc3dpdGNoICh2YWwpIHsKPiAJY2FzZSA0Ogo+IAkJaGRtaS0+d3JpdGUgPSBk d19oZG1pX3dyaXRlbDsKPiAJCWhkbWktPnJlYWQgPSBkd19oZG1pX3JlYWRsOwo+IAkJaGRtaS0+ cmVnX3NoaWZ0ID0gMjsKPiAJCWJyZWFrOwo+IAljYXNlIDE6Cj4gCQloZG1pLT53cml0ZSA9IGR3 X2hkbWlfd3JpdGViOwo+IAkJaGRtaS0+cmVhZCA9IGR3X2hkbWlfcmVhZGI7Cj4gCQloZG1pLT5y ZWdfc2hpZnQgPSAwOwo+IAkJYnJlYWs7Cj4gCWRlZmF1bHQ6Cj4gCQlkZXZfZXJyKGRldiwgInVu cmVjb2duaXplZCB2YWx1ZSBmb3IgcmVnLWlvLXdpZHRoIik7Cj4gCQkvLyBlcnJvciBoYW5kbGlu Zwo+IAl9Cj4KPiBBbHNvIHRoZSBEVCBiaW5kaW5nIGRvYyBmb3IgdGhpcyBwcm9wZXJ0eSBpcyBt aXNzaW5nLgo+Cj4gUmVnYXJkcywKPiBMdWNhcwp0aGFua3MgZm9yIHlvdXIgc3VnZ2VzdGlvbiwg SSB3aWxsIHRha2UgaXQuCnRoaXMgcHJvcGVyaXR5IGlzIG9wdGlvbmFsLCBJIHdpbGwgYWRkIGl0 IHRvIERUIGJpbmRpbmcgZG9jCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkZXZlbCBtYWlsaW5nIGxpc3QKZGV2ZWxAbGludXhkcml2ZXJwcm9qZWN0Lm9y ZwpodHRwOi8vZHJpdmVyZGV2LmxpbnV4ZHJpdmVycHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5m by9kcml2ZXJkZXYtZGV2ZWwK