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: <1531350785.2021.0@smtp.crapouillou.net> Date: Thu, 12 Jul 2018 01:13:05 +0200 To: Vinod 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: TGUgbWVyLiAxMSBqdWlsLiAyMDE4IMOgIDE0OjE2LCBWaW5vZCA8dmtvdWxAa2VybmVsLm9yZz4g YSDDqWNyaXQgOgo+IE9uIDEwLTA3LTE4LCAxNzozNiwgUGF1bCBDZXJjdWVpbCB3cm90ZToKPiAK Pj4gID4gPiAgQEAgLTMsNyArMyw4IEBACj4+ICA+ID4gICBSZXF1aXJlZCBwcm9wZXJ0aWVzOgo+ PiAgPiA+Cj4+ICA+ID4gICAtIGNvbXBhdGlibGU6IFNob3VsZCBiZSAiaW5nZW5pYyxqejQ3ODAt ZG1hIgo+PiAgPiA+ICAtLSByZWc6IFNob3VsZCBjb250YWluIHRoZSBETUEgY29udHJvbGxlciBy ZWdpc3RlcnMgbG9jYXRpb24gCj4+IGFuZAo+PiAgPiA+IGxlbmd0aC4KPj4gID4gPiAgKy0gcmVn OiBTaG91bGQgY29udGFpbiB0aGUgRE1BIGNoYW5uZWwgcmVnaXN0ZXJzIGxvY2F0aW9uIGFuZAo+ PiAgPiA+IGxlbmd0aCwgZm9sbG93ZWQKPj4gID4gPiAgKyAgYnkgdGhlIERNQSBjb250cm9sbGVy IHJlZ2lzdGVycyBsb2NhdGlvbiBhbmQgbGVuZ3RoLgo+PiAgPiA+ICAgLSBpbnRlcnJ1cHRzOiBT aG91bGQgY29udGFpbiB0aGUgaW50ZXJydXB0IHNwZWNpZmllciBvZiB0aGUgCj4+IERNQQo+PiAg PiA+IGNvbnRyb2xsZXIuCj4+ICA+ID4gICAtIGludGVycnVwdC1wYXJlbnQ6IFNob3VsZCBiZSB0 aGUgcGhhbmRsZSBvZiB0aGUgaW50ZXJydXB0Cj4+ICA+ID4gY29udHJvbGxlciB0aGF0Cj4+ICA+ ID4gICAtIGNsb2NrczogU2hvdWxkIGNvbnRhaW4gYSBjbG9jayBzcGVjaWZpZXIgZm9yIHRoZSBK WjQ3ODAgUERNQQo+PiAgPiA+IGNsb2NrLgo+PiAgPiA+ICBAQCAtMjIsNyArMjMsOCBAQCBFeGFt cGxlOgo+PiAgPiA+Cj4+ICA+ID4gICBkbWE6IGRtYUAxMzQyMDAwMCB7Cj4+ICA+ID4gICAJY29t cGF0aWJsZSA9ICJpbmdlbmljLGp6NDc4MC1kbWEiOwo+PiAgPiA+ICAtCXJlZyA9IDwweDEzNDIw MDAwIDB4MTAwMDA+Owo+PiAgPiA+ICArCXJlZyA9IDwweDEzNDIwMDAwIDB4NDAwCj4+ICA+ID4g ICsJICAgICAgIDB4MTM0MjEwMDAgMHg0MD47Cj4+ICA+Cj4+ICA+IFNlY29uZCBzaG91bGQgYmUg b3B0aW9uYWwgb3Igd2UgYnJlYWsgcGxhdGZvcm0gd2hpY2ggbWF5IG5vdCBoYXZlCj4+ICA+IHVw ZGF0ZWQgRFQuLgo+PiAKPj4gIFNlZSBjb21tZW50IGJlbG93Lgo+PiAKPj4gID4gPiAgLQlqemRt YS0+YmFzZSA9IGRldm1faW9yZW1hcF9yZXNvdXJjZShkZXYsIHJlcyk7Cj4+ICA+ID4gIC0JaWYg KElTX0VSUihqemRtYS0+YmFzZSkpCj4+ICA+ID4gIC0JCXJldHVybiBQVFJfRVJSKGp6ZG1hLT5i YXNlKTsKPj4gID4gPiAgKwlqemRtYS0+Y2huX2Jhc2UgPSBkZXZtX2lvcmVtYXBfcmVzb3VyY2Uo ZGV2LCByZXMpOwo+PiAgPiA+ICArCWlmIChJU19FUlIoanpkbWEtPmNobl9iYXNlKSkKPj4gID4g PiAgKwkJcmV0dXJuIFBUUl9FUlIoanpkbWEtPmNobl9iYXNlKTsKPj4gID4gPiAgKwo+PiAgPiA+ ICArCXJlcyA9IHBsYXRmb3JtX2dldF9yZXNvdXJjZShwZGV2LCBJT1JFU09VUkNFX01FTSwgMSk7 Cj4+ICA+ID4gICsJaWYgKCFyZXMpIHsKPj4gID4gPiAgKwkJZGV2X2VycihkZXYsICJmYWlsZWQg dG8gZ2V0IEkvTyBtZW1vcnlcbiIpOwo+PiAgPiA+ICArCQlyZXR1cm4gLUVJTlZBTDsKPj4gID4g PiAgKwl9Cj4+ICA+Cj4+ICA+IG9rYXkgYW5kIHRoaXMgYnJlYWtzIGlmIHlvdSBoYXBwZW4gdG8g Z2V0IHByb2JlZCBvbiBvbGRlciBEVC4gSSAKPj4gdGhpbmsgRFQKPj4gID4gaXMgdHJlYXRlZCBh cyBBQkkgc28geW91IG5lZWQgdG8gY29udGludWUgc3VwcG9ydCBvbGRlciBtZXRob2QgCj4+IHdo aWxlCj4+ICA+IGZpbmRpbmcgaWYgRFQgaGFzIHNwbGl0IHJlc291cmNlcwo+PiAKPj4gIFNlZSBt eSByZXNwb25zZSB0byBQcmFzYW5uYUt1bWFyLiBBbGwgdGhlIEluZ2VuaWMtYmFzZWQgYm9hcmRz IGRvIAo+PiBjb21waWxlCj4+ICB0aGUgZGV2aWNldHJlZSB3aXRoaW4gdGhlIGtlcm5lbCwgc28g SSB0aGluayBpdCdzIHN0aWxsIGZpbmUgdG8gYWRkIAo+PiBicmVha2luZwo+PiAgY2hhbmdlcy4g SSdsbCB3YWl0IG9uIEBSb2IgdG8gZ2l2ZSBoaXMgcG9pbnQgb2YgdmlldyBvbiB0aGlzLCAKPj4g dGhvdWdoLgo+PiAKPj4gIChJdCdzIG5vdCBzb21ldGhpbmcgaGFyZCB0byBjaGFuZ2UsIGJ1dCBJ J2QgbGlrZSB0byBrbm93IHdoYXQncyB0aGUgCj4+IHBvbGljeQo+PiAgaW4gdGhhdCBjYXNlLiBJ IGhhdmUgb3RoZXIgRFQtYnJlYWtpbmcgcGF0Y2hlcyB0byBzdWJtaXQpCj4gCj4gVGhlIHBvbGlj eSBpcyB0aGF0IERUIGlzIGFuIEFCSSBhbmQgc2hvdWxkIG5vdCBicmVhayA6KQo+IAo+IFdobyBt YWludGFpbnMgSW5nZW5pYyBhcmNoLiBNQUlOVEFJTkVSUyBkb2Vzbid0IHRlbGwgbWUuCgpVbm9m ZmljaWFsbHkgdGhhdCB3b3VsZCBiZSBtZSA6KQoKT3RoZXJ3aXNlIHRoYXQgd291bGQgYmUgdGhl IE1JUFMgbWFpbnRhaW5lcnMsIFJhbGYgYW5kIFBhdWwgKEJ1cnRvbikuCgo+IC0tCj4gflZpbm9k Ci0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJz Y3JpYmUgZG1hZW5naW5lIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZn ZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJuZWwu b3JnL21ham9yZG9tby1pbmZvLmh0bWwK