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: [v5,4/7] dmaengine: xilinx_dma: program hardware supported buffer length From: Vinod Koul Message-Id: <20181002145647.GG19792@vkoul-mobl> Date: Tue, 2 Oct 2018 20:26:47 +0530 To: Andrea Merello Cc: dan.j.williams@intel.com, michal.simek@xilinx.com, appana.durga.rao@xilinx.com, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel , Rob Herring , Mark Rutland , devicetree , Radhey Shyam Pandey List-ID: T24gMjgtMDktMTgsIDA4OjUzLCBBbmRyZWEgTWVyZWxsbyB3cm90ZToKPiBPbiBUdWUsIFNlcCAx OCwgMjAxOCBhdCA2OjI1IFBNIFZpbm9kIDx2a291bEBrZXJuZWwub3JnPiB3cm90ZToKCj4gPiA+ IEBAIC05NjQsNyArOTY4LDcgQEAgc3RhdGljIGludCB4aWxpbnhfZG1hX2NhbGNfY29weXNpemUo c3RydWN0IHhpbGlueF9kbWFfY2hhbiAqY2hhbiwKPiA+ID4gICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIGludCBzaXplLCBpbnQgZG9uZSkKPiA+ID4gIHsKPiA+ID4gICAgICAgc2l6 ZV90IGNvcHkgPSBtaW5fdChzaXplX3QsIHNpemUgLSBkb25lLAo+ID4gPiAtICAgICAgICAgICAg ICAgICAgWElMSU5YX0RNQV9NQVhfVFJBTlNfTEVOKTsKPiA+ID4gKyAgICAgICAgICAgICAgICAg ICAgICAgICBjaGFuLT54ZGV2LT5tYXhfYnVmZmVyX2xlbik7Cj4gPgo+ID4gaG1tIHdoeSBub3Qg YWRkIG1heF9idWZmZXJfbGVuIGluIHBhdGNoIDEgYWdhaW4sIGFuZCB0aGVuIHVzZSBkZWZhdWx0 Cj4gPiBsZW4gYXMgWElMSU5YX0RNQV9NQVhfVFJBTlNfTEVOIGFuZCBhZGQgbXVsdGlwbGUgbGVu Z3RocyBoZXJlIDopCj4gCj4gU29ycnksIEknbSBub3QgZ2V0dGluZyB5b3VyIHBvaW50LiBDb3Vs ZCB5b3UgcGxlYXNlIGVsYWJvcmF0ZSB0aGUgImFkZAo+IG11bHRpcGxlIGxlbmd0aHMgaGVyZSIg dGhpbmcgPwoKSUlSQyAoc29ycnkgYmVlbiB0cmF2ZWxsaW5nIGFuZCB2YWNhdGlvbiksIGFkZApj aGFuLT54ZGV2LT5tYXhfYnVmZmVyX2xlbiBpbiBwYXRjaCAxIGFuZCBpbml0aWFsaXplIGl0IHRv ClhJTElOWF9ETUFfTUFYX1RSQU5TX0xFTi4gVGhlbiBpbiBzdWJzZXF1ZW50IHBhdGNoZXMgdXBk YXRlIHRoZSBsZW5ndGguCg==