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: [RFC,2/6] dmaengine: xilinx_dma: Pass AXI4-Stream control words to netdev dma client From: Vinod Koul Message-Id: <20180424035548.GA6014@localhost> Date: Tue, 24 Apr 2018 09:25:49 +0530 To: Peter Ujfalusi Cc: Lars-Peter Clausen , Radhey Shyam Pandey , "michal.simek@xilinx.com" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "dan.j.williams@intel.com" , Appana Durga Kedareswara Rao , "linux-arm-kernel@lists.infradead.org" List-ID: T24gVGh1LCBBcHIgMTksIDIwMTggYXQgMDI6NDA6MjZQTSArMDMwMCwgUGV0ZXIgVWpmYWx1c2kg d3JvdGU6Cj4gCj4gT24gMjAxOC0wNC0xOCAxNjowNiwgTGFycy1QZXRlciBDbGF1c2VuIHdyb3Rl Ogo+ID4+IEhybSwgdHJ1ZSwgYnV0IGl0IGlzIGhhcmRseSB0aGUgbWV0YWRhdGEgdXNlIGNhc2Uu IEl0IGlzIG1vcmUgbGlrZQo+ID4+IGRpZmZlcmVudCBETUEgdHJhbnNmZXIgdHlwZS4KPiA+IAo+ ID4gV2hlbiBJIGxvb2sgYXQgdGhpcyB3aXRoIG15IGFzdHJvbmF1dCBhcmNoaXRlY3QgdmlldyBm cm9tIGhpZ2ggaGlnaCB1cCBhYm92ZQo+ID4gSSBkbyBub3Qgc2VlIGEgZGlmZmVyZW5jZSBiZXR3 ZWVuIG1ldGFkYXRhIGFuZCBtdWx0aS1wbGFuYXIgZGF0YS4KPiAKPiBJIHRlbmQgdG8gZGlzYWdy ZWUuCgphbmQgd2Ugd2lsbCBsb3ZlIHRvIGhlYXIgbW9yZSA6KQoKPiA+IEJvdGggc3BsaXQgdGhl IGRhdGEgdGhhdCBpcyBzZW50IHRvIHRoZSBwZXJpcGhlcmFsIGludG8gbXVsdGlwbGUKPiA+IHN1 Yi1zdHJlYW1zLCBlYWNoIGNhcnJ5aW5nIHBhcnQgb2YgdGhlIGRhdGEuIEknbSBzdXJlIHRoZXJl IGFyZSBwZXJpcGhlcmFscwo+ID4gdGhhdCBpbnRlcmxlYXZlIGRhdGEgYW5kIG1ldGFkYXRhIG9u IHRoZSBzYW1lIGRhdGEgc3RyZWFtLiBTaW1pbGFyIHRvIGhvdyB3ZQo+ID4gaGF2ZSBsZWZ0IGFu ZCByaWdodCBjaGFubmVsIGludGVybGVhdmVkIGluIGEgYXVkaW8gc3RyZWFtLgo+IAo+IFNsaW1i dXMsIFMvUERJRj8KPiAKPiA+IFdoYXQgYWJvdXQgbWV0YWRhdGEgdGhhdCBpcyBub3QgY29udGln dW91cyBhbmQgc3BsaXQgaW50byBtdWx0aXBsZSBzZWdtZW50cy4KPiA+IEhvdyBkbyB5b3UgaGFu ZGxlIHBhc3NpbmcgYSBzZ2wgdG8gdGhlIG1ldGFkYXRhIGludGVyZmFjZT8gQW5kIHRoZW4gaXQK PiA+IHN1ZGRlbmx5IGxvb2tzIHF1aXRlIHNpbWlsYXIgdG8gdGhlIG5vcm1hbCBETUEgZGVzY3Jp cHRvciBpbnRlcmZhY2UuCj4gCj4gV2VsbCwgdGhlIG1ldGFkYXRhIGlzIGZvciB0aGUgZGVzY3Jp cHRvci4gVGhlIGRlc2NyaXB0b3IgZGVzY3JpYmUgdGhlCj4gZGF0YSB0cmFuc2ZlciBfYW5kXyBj YW4gY29udmV5IGFkZGl0aW9uYWwgaW5mb3JtYXRpb24uIE5vdGhpbmcgaXMKPiBpbnRlcmxlYXZl ZCwgdGhlIGRhdGEgYW5kIHRoZSBkZXNjcmlwdG9yIGFyZSBkaWZmZXJlbnQgdGhpbmdzLiBJdCBp cwo+IG1vcmUgbGlrZSBUQ1AgaGVhZGVycyBkZXRhY2hlZCBmcm9tIHRoZSBkYXRhIChidXQgcG9p bnRpbmcgdG8gaXQpLgo+IAo+ID4gQnV0IG1heWJlIHRoYXQncyBqdXN0IG9uZSBhYnN0cmFjdGlv biBsZXZlbCB0byBoaWdoLgo+IAo+IEkgdW5kZXJzdGFuZCB5b3VyIHBvaW50LCBidXQgYXQgdGhl IGVuZCB0aGUgbWV0YWRhdGEgbmVlZHMgdG8gZW5kIHVwIGluCj4gdGhlIGRlc2NyaXB0b3Igd2hp Y2ggaXMgZGVzY3JpYmluZyB0aGUgZGF0YSB0aGF0IGlzIGdvaW5nIHRvIGJlIG1vdmVkLgo+IAo+ IFRoZSBkZXNjcmlwdG9yIGlzIG5vdCBzZW50IGFzIGEgc2VwYXJhdGUgRE1BIHRyYXNuZmVyLCBp dCBpcyBwYXJ0IG9mIHRoZQo+IERNQSB0cmFuc2ZlciwgaXQgaXMgaGFuZGxlZCBpbnRlcm5hbGx5 IGJ5IHRoZSBETUEuCgpUaGF0IGlzIGJpdCBjb25mdXNpbmcgdG8gbWUuIEkgdGhvdWdodCBETUEg d2FzIHRyYW5zcGFyZW50IHRvIG1ldGEgZGF0YSBhbmQKd291bGQgYmxpbmRseSBjb2xsZWN0IGFu ZCB0cmFuc2ZlciBhbG9uZyB3aXRoIHRoZSBkZXNjcmlwdG9yLiBTbyBhdCBoaWdoCmxldmVsIHdl IGFyZSB0YWxraW5nIGFib3V0IHR3byB0cmFuc2ZlcnMgKHByb2JhYmx5IGNvLWpvaW5lZCBhdCBo aXAgYW5kIHlvdQp3YW50IHRvIGNhbGwgb25lIHRyYW5zZmVyKSBidXQgd2h5IGNhbid0IHdlIHZp c3VhbGl6ZSB0aGlzIGFzIGp1c3QgYSBETUEKdHJhbnNmZXJzLiBtYXliZSB5b3Ugd2FudCB0byBz aWduYWwvYXR0YWNoIHRvIHRyYW5zZmVyLCBjYW50IHdlIGRvIHRoYXQgd2l0aAphZGRpdGlvbmFs IGZsYWcgRE1BX01FVEFEQVRBIGV0Yy4uPwo=