From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [02/14] dmaengine: dma-jz4780: Separate chan/ctrl registers From: Vinod Koul Message-Id: <20180711121655.GS3219@vkoul-mobl> Date: Wed, 11 Jul 2018 17:46:55 +0530 To: Paul Cercueil Cc: Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , Zubair Lutfullah Kakakhel , Mathieu Malaterre , Daniel Silsby , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org List-ID: T24gMTAtMDctMTgsIDE3OjM2LCBQYXVsIENlcmN1ZWlsIHdyb3RlOgoKPiA+ID4gIEBAIC0zLDcg KzMsOCBAQAo+ID4gPiAgIFJlcXVpcmVkIHByb3BlcnRpZXM6Cj4gPiA+IAo+ID4gPiAgIC0gY29t cGF0aWJsZTogU2hvdWxkIGJlICJpbmdlbmljLGp6NDc4MC1kbWEiCj4gPiA+ICAtLSByZWc6IFNo b3VsZCBjb250YWluIHRoZSBETUEgY29udHJvbGxlciByZWdpc3RlcnMgbG9jYXRpb24gYW5kCj4g PiA+IGxlbmd0aC4KPiA+ID4gICstIHJlZzogU2hvdWxkIGNvbnRhaW4gdGhlIERNQSBjaGFubmVs IHJlZ2lzdGVycyBsb2NhdGlvbiBhbmQKPiA+ID4gbGVuZ3RoLCBmb2xsb3dlZAo+ID4gPiAgKyAg YnkgdGhlIERNQSBjb250cm9sbGVyIHJlZ2lzdGVycyBsb2NhdGlvbiBhbmQgbGVuZ3RoLgo+ID4g PiAgIC0gaW50ZXJydXB0czogU2hvdWxkIGNvbnRhaW4gdGhlIGludGVycnVwdCBzcGVjaWZpZXIg b2YgdGhlIERNQQo+ID4gPiBjb250cm9sbGVyLgo+ID4gPiAgIC0gaW50ZXJydXB0LXBhcmVudDog U2hvdWxkIGJlIHRoZSBwaGFuZGxlIG9mIHRoZSBpbnRlcnJ1cHQKPiA+ID4gY29udHJvbGxlciB0 aGF0Cj4gPiA+ICAgLSBjbG9ja3M6IFNob3VsZCBjb250YWluIGEgY2xvY2sgc3BlY2lmaWVyIGZv ciB0aGUgSlo0NzgwIFBETUEKPiA+ID4gY2xvY2suCj4gPiA+ICBAQCAtMjIsNyArMjMsOCBAQCBF eGFtcGxlOgo+ID4gPiAKPiA+ID4gICBkbWE6IGRtYUAxMzQyMDAwMCB7Cj4gPiA+ICAgCWNvbXBh dGlibGUgPSAiaW5nZW5pYyxqejQ3ODAtZG1hIjsKPiA+ID4gIC0JcmVnID0gPDB4MTM0MjAwMDAg MHgxMDAwMD47Cj4gPiA+ICArCXJlZyA9IDwweDEzNDIwMDAwIDB4NDAwCj4gPiA+ICArCSAgICAg ICAweDEzNDIxMDAwIDB4NDA+Owo+ID4gCj4gPiBTZWNvbmQgc2hvdWxkIGJlIG9wdGlvbmFsIG9y IHdlIGJyZWFrIHBsYXRmb3JtIHdoaWNoIG1heSBub3QgaGF2ZQo+ID4gdXBkYXRlZCBEVC4uCj4g Cj4gU2VlIGNvbW1lbnQgYmVsb3cuCj4gCj4gPiA+ICAtCWp6ZG1hLT5iYXNlID0gZGV2bV9pb3Jl bWFwX3Jlc291cmNlKGRldiwgcmVzKTsKPiA+ID4gIC0JaWYgKElTX0VSUihqemRtYS0+YmFzZSkp Cj4gPiA+ICAtCQlyZXR1cm4gUFRSX0VSUihqemRtYS0+YmFzZSk7Cj4gPiA+ICArCWp6ZG1hLT5j aG5fYmFzZSA9IGRldm1faW9yZW1hcF9yZXNvdXJjZShkZXYsIHJlcyk7Cj4gPiA+ICArCWlmIChJ U19FUlIoanpkbWEtPmNobl9iYXNlKSkKPiA+ID4gICsJCXJldHVybiBQVFJfRVJSKGp6ZG1hLT5j aG5fYmFzZSk7Cj4gPiA+ICArCj4gPiA+ICArCXJlcyA9IHBsYXRmb3JtX2dldF9yZXNvdXJjZShw ZGV2LCBJT1JFU09VUkNFX01FTSwgMSk7Cj4gPiA+ICArCWlmICghcmVzKSB7Cj4gPiA+ICArCQlk ZXZfZXJyKGRldiwgImZhaWxlZCB0byBnZXQgSS9PIG1lbW9yeVxuIik7Cj4gPiA+ICArCQlyZXR1 cm4gLUVJTlZBTDsKPiA+ID4gICsJfQo+ID4gCj4gPiBva2F5IGFuZCB0aGlzIGJyZWFrcyBpZiB5 b3UgaGFwcGVuIHRvIGdldCBwcm9iZWQgb24gb2xkZXIgRFQuIEkgdGhpbmsgRFQKPiA+IGlzIHRy ZWF0ZWQgYXMgQUJJIHNvIHlvdSBuZWVkIHRvIGNvbnRpbnVlIHN1cHBvcnQgb2xkZXIgbWV0aG9k IHdoaWxlCj4gPiBmaW5kaW5nIGlmIERUIGhhcyBzcGxpdCByZXNvdXJjZXMKPiAKPiBTZWUgbXkg cmVzcG9uc2UgdG8gUHJhc2FubmFLdW1hci4gQWxsIHRoZSBJbmdlbmljLWJhc2VkIGJvYXJkcyBk byBjb21waWxlCj4gdGhlIGRldmljZXRyZWUgd2l0aGluIHRoZSBrZXJuZWwsIHNvIEkgdGhpbmsg aXQncyBzdGlsbCBmaW5lIHRvIGFkZCBicmVha2luZwo+IGNoYW5nZXMuIEknbGwgd2FpdCBvbiBA Um9iIHRvIGdpdmUgaGlzIHBvaW50IG9mIHZpZXcgb24gdGhpcywgdGhvdWdoLgo+IAo+IChJdCdz IG5vdCBzb21ldGhpbmcgaGFyZCB0byBjaGFuZ2UsIGJ1dCBJJ2QgbGlrZSB0byBrbm93IHdoYXQn cyB0aGUgcG9saWN5Cj4gaW4gdGhhdCBjYXNlLiBJIGhhdmUgb3RoZXIgRFQtYnJlYWtpbmcgcGF0 Y2hlcyB0byBzdWJtaXQpCgpUaGUgcG9saWN5IGlzIHRoYXQgRFQgaXMgYW4gQUJJIGFuZCBzaG91 bGQgbm90IGJyZWFrIDopCgpXaG8gbWFpbnRhaW5zIEluZ2VuaWMgYXJjaC4gTUFJTlRBSU5FUlMg ZG9lc24ndCB0ZWxsIG1lLgo=