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: [v2,2/2] dmaengine: uniphier-mdmac: add UniPhier MIO DMAC driver From: Vinod Koul Message-Id: <20180912072657.GF2766@vkoul-mobl> Date: Wed, 12 Sep 2018 12:56:57 +0530 To: Masahiro Yamada Cc: "open list:DMA GENERIC OFFLOAD ENGINE SUBSYSTEM" , DTML , Rob Herring , Linux Kernel Mailing List , Masami Hiramatsu , Jassi Brar , Dan Williams , linux-arm-kernel List-ID: T24gMTItMDktMTgsIDE0OjI1LCBNYXNhaGlybyBZYW1hZGEgd3JvdGU6Cj4gMjAxOC0wOS0xMiAx MzozNSBHTVQrMDk6MDAgVmlub2QgPHZrb3VsQGtlcm5lbC5vcmc+Ogo+ID4gT24gMTItMDktMTgs IDEyOjAxLCBNYXNhaGlybyBZYW1hZGEgd3JvdGU6Cj4gPj4gSGkgVmlub2QsCj4gPj4KPiA+Pgo+ ID4+IDIwMTgtMDktMTEgMTY6MDAgR01UKzA5OjAwIFZpbm9kIDx2a291bEBrZXJuZWwub3JnPjoK PiA+PiA+IE9uIDI0LTA4LTE4LCAxMDo0MSwgTWFzYWhpcm8gWWFtYWRhIHdyb3RlOgo+ID4+ID4K PiA+PiA+PiArLyogbWMtPnZjLmxvY2sgbXVzdCBiZSBoZWxkIGJ5IGNhbGxlciAqLwo+ID4+ID4+ ICtzdGF0aWMgdTMyIF9fdW5pcGhpZXJfbWRtYWNfZ2V0X3Jlc2lkdWUoc3RydWN0IHVuaXBoaWVy X21kbWFjX2Rlc2MgKm1kKQo+ID4+ID4+ICt7Cj4gPj4gPj4gKyAgICAgdTMyIHJlc2lkdWUgPSAw Owo+ID4+ID4+ICsgICAgIGludCBpOwo+ID4+ID4+ICsKPiA+PiA+PiArICAgICBmb3IgKGkgPSBt ZC0+c2dfY3VyOyBpIDwgbWQtPnNnX2xlbjsgaSsrKQo+ID4+ID4+ICsgICAgICAgICAgICAgcmVz aWR1ZSArPSBzZ19kbWFfbGVuKCZtZC0+c2dsW2ldKTsKPiA+PiA+Cj4gPj4gPiBzbyBpZiB0aGUg ZGVzY3JpcHRvciBpcyBzdWJtaXR0ZWQgdG8gaGFyZHdhcmUsIHdlIHJldHVybiB0aGUgZGVzY3Jp cHRvcgo+ID4+ID4gbGVuZ3RoLCB3aGljaCBpcyBub3QgY29ycmVjdC4KPiA+PiA+Cj4gPj4gPiBU d28gY2FzZXMgYXJlIHJlcXVpcmVkIHRvIGJlIGhhbmRsZWQ6Cj4gPj4gPiAxLiBEZXNjcmlwdG9y IGlzIGluIHF1ZXVlIChJTU8gYWJvdmUgbG9naWMgaXMgZmluZSBmb3IgdGhhdCwgYnV0IGl0IGNh bgo+ID4+ID4gYmUgY2FsY3VsYXRlZCBhdCBkZXNjcmlwdG9yIHN1Ym1pdCBhbmQgbG9va2VkIHVw IGhlcmUpCj4gPj4KPiA+PiBXaGVyZSBkbyB5b3Ugd2FudCBpdCB0byBiZSBjYWxjdWxhdGVkPwo+ ID4KPiA+IHdoZXJlIGlzIGl0IGNhbGN1bGF0ZWQgbm93Pwo+IAo+IAo+IFBsZWFzZSBzZWUgX191 bmlwaGllcl9tZG1hY19oYW5kbGUoKS4KPiAKPiAKPiBJdCBnZXRzIHRoZSBhZGRyZXNzIGFuZCBz aXplIGJ5IHNnX2RtYV9hZGRyZXNzKCksIHNnX2RtYV9sZW4oKQo+IGp1c3QgYmVmb3JlIHNldHRp bmcgdGhlbSB0byB0aGUgaGFyZHdhcmUgcmVnaXN0ZXJzLgo+IAo+IAo+ICAgICAgICBzZyA9ICZt ZC0+c2dsW21kLT5zZ19jdXJdOwo+IAo+ICAgICAgICBpZiAobWQtPmRpciA9PSBETUFfTUVNX1RP X0RFVikgewo+ICAgICAgICAgICAgICAgIHNyY19tb2RlID0gVU5JUEhJRVJfTURNQUNfQ0hfTU9E RV9fQUREUl9JTkM7Cj4gICAgICAgICAgICAgICAgc3JjX2FkZHIgPSBzZ19kbWFfYWRkcmVzcyhz Zyk7Cj4gICAgICAgICAgICAgICAgZGVzdF9tb2RlID0gVU5JUEhJRVJfTURNQUNfQ0hfTU9ERV9f QUREUl9GSVhFRDsKPiAgICAgICAgICAgICAgICBkZXN0X2FkZHIgPSAwOwo+ICAgICAgICB9IGVs c2Ugewo+ICAgICAgICAgICAgICAgIHNyY19tb2RlID0gVU5JUEhJRVJfTURNQUNfQ0hfTU9ERV9f QUREUl9GSVhFRDsKPiAgICAgICAgICAgICAgICBzcmNfYWRkciA9IDA7Cj4gICAgICAgICAgICAg ICAgZGVzdF9tb2RlID0gVU5JUEhJRVJfTURNQUNfQ0hfTU9ERV9fQUREUl9JTkM7Cj4gICAgICAg ICAgICAgICAgZGVzdF9hZGRyID0gc2dfZG1hX2FkZHJlc3Moc2cpOwo+ICAgICAgICB9Cj4gCj4g Cj4gCj4gCj4gCj4gCj4gCj4gPj4gVGhpcyBoYXJkd2FyZSBwcm92aWRlcyBvbmx5IHNpbXBsZSBy ZWdpc3RlcnMgKGFkZHJlc3MgYW5kIHNpemUpCj4gPj4gZm9yIG9uZS1zaG90IHRyYW5zZmVyIGlu c3RlYWQgb2YgZGVzY3JpcHRvcnMuCj4gPj4KPiA+PiBTbywgSSB1c2VkIHNnbCBhcy1pcyBiZWNh dXNlIEkgZGlkIG5vdCBzZWUgYSBnb29kIHJlYXNvbgo+ID4+IHRvIHRyYW5zZm9ybSBzZ2wgdG8g YW5vdGhlciBkYXRhIHN0cnVjdHVyZS4KPiA+Cj4gPgo+ID4+ID4gdGhpcyBzZWVtcyBtaXNzaW5n IHN0dWZmLiBXaGVyZSBkbyB5b3UgZG8gcmVnaXN0ZXIgY2FsY3VsYXRpb24gZm9yIHRoZQo+ID4+ ID4gZGVzY3JpcHRvciBhbmQgd2hlcmUgaXMgc2xhdmVfY29uZmlnIGhlcmUsIGhvdyBkbyB5b3Ug a25vdyB3aGVyZSB0bwo+ID4+ID4gc2VuZC9yZWNlaXZlIGRhdGEgZm9ybS90byAocGVyaXBoZXJh bCkKPiA+Pgo+ID4+Cj4gPj4gVGhpcyBkbWFjIGlzIHJlYWxseSBzaW1wbGUsIGFuZCB1bi1mbGV4 aWJsZS4KPiA+Pgo+ID4+IFRoZSBwZXJpcGhlcmFsIGFkZHJlc3MgdG8gc2VuZC9yZWNlaXZlIGRh dGEgZnJvbS90byBpcyBoYXJkLXdlaXJkLgo+ID4+IGNmZy0+e3NyY19hZGRyLGRzdF9hZGRyfSBp cyBub3QgY29uZmlndXJhYmxlLgo+ID4+Cj4gPj4gTG9vayBhdCBfX3VuaXBoaWVyX21kbWFjX2hh bmRsZSgpLgo+ID4+ICdkZXN0X2FkZHInIGFuZCAnc3JjX2FkZHInIG11c3QgYmUgc2V0IHRvIDAg Zm9yIHRoZSBwZXJpcGhlcmFsLgo+ID4KPiA+IEZhaXIgZW5vdWdoLCB3aGF0IGFib3V0IG90aGVy IHZhbHVlcyBsaWtlIGFkZHJfd2lkdGggYW5kIG1heGJ1cnN0Pwo+IAo+IAo+IE5vbmUgb2YgdGhl bSBpcyBjb25maWd1cmFibGUuCgp3aGF0IGlzIGNvbmZpZ3VyYWJsZSBoZXJlIDotKQoKV2hvIGFy ZSB0aGUgdXNlcnMgb2YgdGhpcyBETUE/Cg==