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: Rob Herring Message-Id: <20180716212852.GA6323@rob-hp-laptop> Date: Mon, 16 Jul 2018 15:28:52 -0600 To: Paul Burton Cc: Vinod , Mark Rutland , Paul Cercueil , 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: T24gV2VkLCBKdWwgMTEsIDIwMTggYXQgMDQ6Mjc6MTVQTSAtMDcwMCwgUGF1bCBCdXJ0b24gd3Jv dGU6Cj4gSGkgVmlub2QsCj4gCj4gT24gV2VkLCBKdWwgMTEsIDIwMTggYXQgMDU6NDY6NTVQTSAr MDUzMCwgVmlub2Qgd3JvdGU6Cj4gPiA+ID4gPiAgLQlqemRtYS0+YmFzZSA9IGRldm1faW9yZW1h cF9yZXNvdXJjZShkZXYsIHJlcyk7Cj4gPiA+ID4gPiAgLQlpZiAoSVNfRVJSKGp6ZG1hLT5iYXNl KSkKPiA+ID4gPiA+ICAtCQlyZXR1cm4gUFRSX0VSUihqemRtYS0+YmFzZSk7Cj4gPiA+ID4gPiAg KwlqemRtYS0+Y2huX2Jhc2UgPSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoZGV2LCByZXMpOwo+ID4g PiA+ID4gICsJaWYgKElTX0VSUihqemRtYS0+Y2huX2Jhc2UpKQo+ID4gPiA+ID4gICsJCXJldHVy biBQVFJfRVJSKGp6ZG1hLT5jaG5fYmFzZSk7Cj4gPiA+ID4gPiAgKwo+ID4gPiA+ID4gICsJcmVz ID0gcGxhdGZvcm1fZ2V0X3Jlc291cmNlKHBkZXYsIElPUkVTT1VSQ0VfTUVNLCAxKTsKPiA+ID4g PiA+ICArCWlmICghcmVzKSB7Cj4gPiA+ID4gPiAgKwkJZGV2X2VycihkZXYsICJmYWlsZWQgdG8g Z2V0IEkvTyBtZW1vcnlcbiIpOwo+ID4gPiA+ID4gICsJCXJldHVybiAtRUlOVkFMOwo+ID4gPiA+ ID4gICsJfQo+ID4gPiA+IAo+ID4gPiA+IG9rYXkgYW5kIHRoaXMgYnJlYWtzIGlmIHlvdSBoYXBw ZW4gdG8gZ2V0IHByb2JlZCBvbiBvbGRlciBEVC4gSSB0aGluayBEVAo+ID4gPiA+IGlzIHRyZWF0 ZWQgYXMgQUJJIHNvIHlvdSBuZWVkIHRvIGNvbnRpbnVlIHN1cHBvcnQgb2xkZXIgbWV0aG9kIHdo aWxlCj4gPiA+ID4gZmluZGluZyBpZiBEVCBoYXMgc3BsaXQgcmVzb3VyY2VzCj4gPiA+IAo+ID4g PiBTZWUgbXkgcmVzcG9uc2UgdG8gUHJhc2FubmFLdW1hci4gQWxsIHRoZSBJbmdlbmljLWJhc2Vk IGJvYXJkcyBkbyBjb21waWxlCj4gPiA+IHRoZSBkZXZpY2V0cmVlIHdpdGhpbiB0aGUga2VybmVs LCBzbyBJIHRoaW5rIGl0J3Mgc3RpbGwgZmluZSB0byBhZGQgYnJlYWtpbmcKPiA+ID4gY2hhbmdl cy4gSSdsbCB3YWl0IG9uIEBSb2IgdG8gZ2l2ZSBoaXMgcG9pbnQgb2YgdmlldyBvbiB0aGlzLCB0 aG91Z2guCj4gPiA+IAo+ID4gPiAoSXQncyBub3Qgc29tZXRoaW5nIGhhcmQgdG8gY2hhbmdlLCBi dXQgSSdkIGxpa2UgdG8ga25vdyB3aGF0J3MgdGhlIHBvbGljeQo+ID4gPiBpbiB0aGF0IGNhc2Uu IEkgaGF2ZSBvdGhlciBEVC1icmVha2luZyBwYXRjaGVzIHRvIHN1Ym1pdCkKPiA+IAo+ID4gVGhl IHBvbGljeSBpcyB0aGF0IERUIGlzIGFuIEFCSSBhbmQgc2hvdWxkIG5vdCBicmVhayA6KQo+IAo+ IEkgdGhpbmsgaW4gZ2VuZXJhbCB0aGF0J3MgYSBnb29kIHBvbGljeSB0byBoYXZlIGZvciBjb21w YXRpYmlsaXR5LCBidXQKPiBpZiBpdCdzIGtub3duIGZvciBjZXJ0YWluIHRoYXQgdGhlIERUIGZv ciBhbGwgdXNlcnMgb2YgYSBkcml2ZXIgaXMKPiBhbHdheXMgYnVpbHQgaW50byB0aGUga2VybmVs IHRoZW4gSSBkb24ndCBzZWUgd2h5IHdlIHNob3VsZG4ndCBmZWVsIGZyZWUKPiB0byBjaGFuZ2Ug YSBiaW5kaW5nLiBJIGFncmVlIHdpdGggUGF1bCB0aGF0IGl0J2QgYmUgaW50ZXJlc3RpbmcgdG8g aGVhcgo+IHRoZSBEVCBiaW5kaW5nIG1haW50YWluZXJzIHRha2Ugb24gdGhpcy4KCklmIHRoZSBw bGF0Zm9ybSBtYWludGFpbmVycyAoYW5kIHRoZWlyIHVzZXJzKSBkb24ndCBjYXJlLCB0aGVuIEkg ZG9uJ3QgCmhhdmUgYW4gaXNzdWUgd2l0aCB0aGUgY2hhbmdlLiBJdCBzaG91bGQgc3RpbGwgYmUg YW4gZXhjZXB0aW9uIGFuZCBub3QgCmp1c3QgYW55IGNoYW5nZSBnb2VzLiBUaGUgY29tbWl0IG1l c3NhZ2Ugc2hvdWxkIHN0aWxsIGhpZ2hsaWdodCB0aGF0IApjb21wYXRpYmlsaXR5IGlzIGJlaW5n IGJyb2tlbiBhbmQgd2h5LgoKUm9iCi0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDog c2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgZG1hZW5naW5lIiBpbgp0aGUgYm9keSBvZiBhIG1l c3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0 ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK