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: [v4,2/7] dmaengine: xilinx_dma: in axidma slave_sg and dma_cylic mode align split descriptors From: Vinod Koul Message-Id: <20180830132745.GC2322@vkoul-mobl> Date: Thu, 30 Aug 2018 18:57:45 +0530 To: Andrea Merello Cc: dan.j.williams@intel.com, michal.simek@xilinx.com, appana.durga.rao@xilinx.com, dmaengine@vger.kernel.org, linux-kernel , Rob Herring , Mark Rutland , devicetree , Radhey Shyam Pandey List-ID: T24gMzAtMDgtMTgsIDEwOjExLCBBbmRyZWEgTWVyZWxsbyB3cm90ZToKPiBPbiBXZWQsIEF1ZyAy OSwgMjAxOCBhdCAxMDoxMiBBTSBBbmRyZWEgTWVyZWxsbwo+IDxhbmRyZWEubWVyZWxsb0BnbWFp bC5jb20+IHdyb3RlOgo+ID4KPiA+IE9uIE1vbiwgQXVnIDI3LCAyMDE4IGF0IDc6MzAgQU0gVmlu b2QgPHZrb3VsQGtlcm5lbC5vcmc+IHdyb3RlOgo+ID4gPgo+ID4gPiBPbiAwMi0wOC0xOCwgMTY6 MTAsIEFuZHJlYSBNZXJlbGxvIHdyb3RlOgo+ID4gPgo+ID4gPiBzL2N5bGljL2N5Y2xpYyBpbiBw YXRjaCB0aXRsZQo+ID4KPiA+IE9LCj4gPgo+ID4gPiA+IFdoZW5ldmVyIGEgc2luZ2xlIG9yIGN5 Y2xpYyB0cmFuc2FjdGlvbiBpcyBwcmVwYXJlZCwgdGhlIGRyaXZlcgo+ID4gPiA+IGNvdWxkIGV2 ZW50dWFsbHkgc3BsaXQgaXQgb3ZlciBzZXZlcmFsIFNHIGRlc2NyaXB0b3JzIGluIG9yZGVyCj4g PiA+ID4gdG8gZGVhbCB3aXRoIHRoZSBIVyBtYXhpbXVtIHRyYW5zZmVyIGxlbmd0aC4KPiA+ID4g Pgo+ID4gPiA+IFRoaXMgY291bGQgZW5kIHVwIGluIERNQSBvcGVyYXRpb25zIHN0YXJ0aW5nIGZy b20gYSBtaXNhbGlnbmVkCj4gPiA+ID4gYWRkcmVzcy4gVGhpcyBzZWVtcyBmYXRhbCBmb3IgdGhl IEhXIGlmIERSRSBpcyBub3QgZW5hYmxlZC4KPiA+ID4KPiA+ID4gRFJFPwo+ID4KPiA+IFN0YW5k cyBmb3IgIkRhdGEgUmVhbGlnbm1lbnQgRW5naW5lIi4gSSB3aWxsIGFkZCB0aGlzIHN0cmluZyBu ZWFyYnkKPiA+IHRoZSBhY3JvbnltLi4KPiA+Cj4gPiA+ID4KPiA+ID4gPiBUaGlzIHBhdGNoIGV2 ZW50dWFsbHkgYWRqdXN0cyB0aGUgdHJhbnNmZXIgc2l6ZSBpbiBvcmRlciB0byBtYWtlIHN1cmUK PiA+ID4gPiBhbGwgb3BlcmF0aW9ucyBzdGFydCBmcm9tIGFuIGFsaWduZWQgYWRkcmVzcy4KPiA+ ID4gPgo+ID4gPiA+IENjOiBSYWRoZXkgU2h5YW0gUGFuZGV5IDxyYWRoZXkuc2h5YW0ucGFuZGV5 QHhpbGlueC5jb20+Cj4gPiA+ID4gU2lnbmVkLW9mZi1ieTogQW5kcmVhIE1lcmVsbG8gPGFuZHJl YS5tZXJlbGxvQGdtYWlsLmNvbT4KPiA+ID4gPiBSZXZpZXdlZC1ieTogUmFkaGV5IFNoeWFtIFBh bmRleSA8cmFkaGV5LnNoeWFtLnBhbmRleUB4aWxpbnguY29tPgo+ID4gPiA+IC0tLQo+ID4gPiA+ IENoYW5nZXMgaW4gdjI6Cj4gPiA+ID4gICAgICAgICAtIGRvbid0IGludHJvZHVjZSBjb3B5X21h c2sgZmllbGQsIHJhdGhlciByZWx5IG9uIGFscmVhZHktZXNpc3RlbnQKPiA+ID4gPiAgICAgICAg ICAgY29weV9hbGlnbiBmaWVsZC4gU3VnZ2VzdGVkIGJ5IFJhZGhleSBTaHlhbSBQYW5kZXkKPiA+ ID4gPiAgICAgICAgIC0gcmV3b3JkIHRpdGxlCj4gPiA+ID4gQ2hhbmdlcyBpbiB2MzoKPiA+ID4g PiAgICAgICAtIGZpeCBidWcgaW50cm9kdWNlZCBpbiB2Mjogd3JvbmcgY29weSBzaXplIHdoZW4g RFJFIGlzIGVuYWJsZWQKPiA+ID4gPiAgICAgICAtIHVzZSBpbXBsZW1lbnRhdGlvbiBzdWdnZXN0 ZWQgYnkgUmFkaGV5IFNoeWFtIFBhbmRleQo+ID4gPiA+IENoYW5nZXMgaW4gdjQ6Cj4gPiA+ID4g ICAgICAgLSByZXdvcmsgb24gdGhlIHRvcCBvZiAxLzYKPiA+ID4gPiAtLS0KPiA+ID4gPiAgZHJp dmVycy9kbWEveGlsaW54L3hpbGlueF9kbWEuYyB8IDIyICsrKysrKysrKysrKysrKysrKy0tLS0K PiA+ID4gPiAgMSBmaWxlIGNoYW5nZWQsIDE4IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0p Cj4gPiA+ID4KPiA+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEveGlsaW54L3hpbGlueF9k bWEuYyBiL2RyaXZlcnMvZG1hL3hpbGlueC94aWxpbnhfZG1hLmMKPiA+ID4gPiBpbmRleCBhM2Fh YTBlMzRjYzcuLmFhYTZkZThhNzBlNCAxMDA2NDQKPiA+ID4gPiAtLS0gYS9kcml2ZXJzL2RtYS94 aWxpbngveGlsaW54X2RtYS5jCj4gPiA+ID4gKysrIGIvZHJpdmVycy9kbWEveGlsaW54L3hpbGlu eF9kbWEuYwo+ID4gPiA+IEBAIC05NTQsMTUgKzk1NCwyOCBAQCBzdGF0aWMgaW50IHhpbGlueF9k bWFfYWxsb2NfY2hhbl9yZXNvdXJjZXMoc3RydWN0IGRtYV9jaGFuICpkY2hhbikKPiA+ID4gPgo+ ID4gPiA+ICAvKioKPiA+ID4gPiAgICogeGlsaW54X2RtYV9jYWxjX2NvcHlzaXplIC0gQ2FsY3Vs YXRlIHRoZSBhbW91bnQgb2YgZGF0YSB0byBjb3B5Cj4gPiA+ID4gKyAqIEBjaGFuOiBEcml2ZXIg c3BlY2lmaWMgRE1BIGNoYW5uZWwKPiA+ID4gPiAgICogQHNpemU6IFRvdGFsIGRhdGEgdGhhdCBu ZWVkcyB0byBiZSBjb3BpZWQKPiA+ID4gPiAgICogQGRvbmU6IEFtb3VudCBvZiBkYXRhIHRoYXQg aGFzIGJlZW4gYWxyZWFkeSBjb3BpZWQKPiA+ID4gPiAgICoKPiA+ID4gPiAgICogUmV0dXJuOiBB bW91bnQgb2YgZGF0YSB0aGF0IGhhcyB0byBiZSBjb3BpZWQKPiA+ID4gPiAgICovCj4gPiA+ID4g LXN0YXRpYyBpbnQgeGlsaW54X2RtYV9jYWxjX2NvcHlzaXplKGludCBzaXplLCBpbnQgZG9uZSkK PiA+ID4gPiArc3RhdGljIGludCB4aWxpbnhfZG1hX2NhbGNfY29weXNpemUoc3RydWN0IHhpbGlu eF9kbWFfY2hhbiAqY2hhbiwKPiA+ID4gPiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgaW50IHNpemUsIGludCBkb25lKQo+ID4gPgo+ID4gPiBwbGVhc2UgYWxpZ24gd2l0aCBvcGVu aW5nIGJyYWNlCj4gPgo+ID4gT0sKPiAKPiBTb3JyeSBmb3IgZ2V0dGluZyBiYWNrIG9uIHRoaXMu Cj4gSSd2ZSBjaGVja2VkIGl0LCBidXQgaXQgc2VlbXMgYWxyZWFkeSBhbGlnbmVkIHdpdGggb3Bl bmluZyBicmFjZSBpbgo+IHRoZSBvcmlnaW5hbCBlLW1haWwgdGV4dCBJJ3ZlIHNlbnQuICg0IHRh YnMgKyA0IHNwYWNlcykuCgpPa2F5LCBwbGVhc2Ugc2VlIHRoYXQgY29kZSBsb29rcyBmaW5lLCBJ IHdpbGwgY2hlY2sgYWZ0ZXIgSSBhcHBseQo=