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: Paul Cercueil Message-Id: <1530815021.6642.0@smtp.crapouillou.net> Date: Thu, 05 Jul 2018 20:23:41 +0200 To: Paul Burton Cc: Vinod Koul , Rob Herring , Mark Rutland , Ralf Baechle , 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: SGkgUGF1bCwKCj4gSGkgUGF1bCwKPiAKPiBPbiBUdWUsIEp1bCAwMywgMjAxOCBhdCAwMjozMjow MlBNICswMjAwLCBQYXVsIENlcmN1ZWlsIHdyb3RlOgo+PiAgQEAgLTgwNCw5ICs4MTgsMTkgQEAg c3RhdGljIGludCBqejQ3ODBfZG1hX3Byb2JlKHN0cnVjdCAKPj4gcGxhdGZvcm1fZGV2aWNlICpw ZGV2KQo+PiAgIAkJcmV0dXJuIC1FSU5WQUw7Cj4+ICAgCX0KPj4gCj4+ICAtCWp6ZG1hLT5iYXNl ID0gZGV2bV9pb3JlbWFwX3Jlc291cmNlKGRldiwgcmVzKTsKPj4gIC0JaWYgKElTX0VSUihqemRt YS0+YmFzZSkpCj4+ICAtCQlyZXR1cm4gUFRSX0VSUihqemRtYS0+YmFzZSk7Cj4+ICArCWp6ZG1h LT5jaG5fYmFzZSA9IGRldm1faW9yZW1hcF9yZXNvdXJjZShkZXYsIHJlcyk7Cj4+ICArCWlmIChJ U19FUlIoanpkbWEtPmNobl9iYXNlKSkKPj4gICsJCXJldHVybiBQVFJfRVJSKGp6ZG1hLT5jaG5f YmFzZSk7Cj4+ICArCj4+ICArCXJlcyA9IHBsYXRmb3JtX2dldF9yZXNvdXJjZShwZGV2LCBJT1JF U09VUkNFX01FTSwgMSk7Cj4+ICArCWlmICghcmVzKSB7Cj4+ICArCQlkZXZfZXJyKGRldiwgImZh aWxlZCB0byBnZXQgSS9PIG1lbW9yeVxuIik7Cj4+ICArCQlyZXR1cm4gLUVJTlZBTDsKPj4gICsJ fQo+PiAgKwo+PiAgKwlqemRtYS0+Y3RybF9iYXNlID0gZGV2bV9pb3JlbWFwX3Jlc291cmNlKGRl diwgcmVzKTsKPj4gICsJaWYgKElTX0VSUihqemRtYS0+Y3RybF9iYXNlKSkKPj4gICsJCXJldHVy biBQVFJfRVJSKGp6ZG1hLT5jdHJsX2Jhc2UpOwo+IAo+IENvdWxkIHdlIGhhdmUgdGhpcyBmYWls dXJlIGNhc2UgZmFsbCBiYWNrIHRvIHRoZSBleGlzdGluZyBiZWhhdmlvdXIKPiB3aGVyZSB3ZSBv bmx5IGhhdmUgYSBzaW5nbGUgcmVzb3VyY2UgY292ZXJpbmcgYWxsIHRoZSByZWdpc3RlcnM/IFRo YXQKPiB3b3VsZCBhdm9pZCBicmVha2luZyBiaXNlY3Rpb24gYmV0d2VlbiB0aGlzIHBhdGNoICYg dGhlIG9uZSB0aGF0IAo+IHVwZGF0ZXMKPiB0aGUgSlo0NzgwIERULgo+IAo+IEZvciBleGFtcGxl Ogo+IAo+IAkjZGVmaW5lIEpaNDc4MF9ETUFfQ1RSTF9PRkZTRVQJMHgxMDAwCj4gCj4gCXJlcyA9 IHBsYXRmb3JtX2dldF9yZXNvdXJjZShwZGV2LCBJT1JFU09VUkNFX01FTSwgMSk7Cj4gCWlmIChy ZXMpIHsKPiAJCWp6ZG1hLT5jdHJsX2Jhc2UgPSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoZGV2LCBy ZXMpOwo+IAkJaWYgKElTX0VSUihqemRtYS0+Y3RybF9iYXNlKSkKPiAJCQlyZXR1cm4gUFRSX0VS UihqemRtYS0+Y3RybF9iYXNlKTsKPiAJfSBlbHNlIHsKPiAJCWp6ZG1hLT5jdHJsX2Jhc2UgPSBq emRtYS0+Y2huX2Jhc2UgKyBKWjQ3ODBfRE1BX0NUUkxfT0ZGU0VUOwo+IAl9Cj4gCj4gVGhlbiB5 b3UgY291bGQgcmVtb3ZlIHRoZSBmYWxsYmFjayBhZnRlciBwYXRjaCAxMywgdG8gZW5kIHVwIHdp dGggdGhlCj4gc2FtZSBjb2RlIHlvdSBoYXZlIG5vdyBidXQgd2l0aG91dCBicmVha2luZyBiaXNl Y3Rpb24uCj4gCj4gTW9zdCBjb3JyZWN0IG1pZ2h0IGJlIHRvIG1vdmUgcGF0Y2ggMTMgdG8gcmln aHQgYWZ0ZXIgdGhpcyBvbmUsIHNvIAo+IHRoYXQKPiB0aGUgSlo0NzgwLXNwZWNpZmljIGZhbGxi YWNrIGNhbiBiZSByZW1vdmVkIGJlZm9yZSBhZGRpbmcgc3VwcG9ydCBmb3IKPiBhbnkgb2YgdGhl IG90aGVyIFNvQ3MuCgpTdXJlLCBJIGNhbiBkbyB0aGF0IGZvciB0aGUgVjIuCgpUaGFua3MsCi1Q YXVsCi0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5z dWJzY3JpYmUgZG1hZW5naW5lIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21v QHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJu ZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK