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] dmaengine: Add metadat_ops for dma_async_tx_descriptor From: Vinod Koul Message-Id: <20180731042903.GC16775@vkoul-mobl> Date: Tue, 31 Jul 2018 09:59:03 +0530 To: Peter Ujfalusi Cc: radheys@xilinx.com, vinod.koul@intel.com, lars@metafoo.de, michal.simek@xilinx.com, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, dan.j.williams@intel.com, appanad@xilinx.com, linux-arm-kernel@lists.infradead.org List-ID: T24gMzAtMDctMTgsIDEyOjQ2LCBQZXRlciBVamZhbHVzaSB3cm90ZToKPiBWaW5vZCwKPiAKPiBP biAyMDE4LTA3LTI0IDE0OjE0LCBWaW5vZCB3cm90ZToKPiA+Pj4+IENsaWVudHMgbXVzdCBub3Qg bWl4IHRoZSB0d28gd2F5IG9mIGhhbmRsaW5nIHRoZSBtZXRhZGF0YS4KPiA+Pj4+IFRoZSBzZXRf bGVuKCkgaXMgaW50ZW5kZWQgdG8gdGVsbCB0aGUgRE1BIGRyaXZlciB0aGUgY2xpZW50IHByb3Zp ZGVkCj4gPj4+PiBtZXRhZGF0YSBzaXplIChpbiBNRU1fVE9fREVWIGNhc2UgbW9zdGx5KS4KPiA+ Pj4+Cj4gPj4+PiBNRU1fVE9fREVWIGZsb3cgb24gY2xpZW50IHNpZGU6Cj4gPj4+PiBnZXRfcHRy KCkKPiA+Pj4+IGZpbGwgaW4gdGhlIG1ldGFkYXRhIHRvIHRoZSBwb2ludGVyIChub3QgZXhjZWVk aW5nIG1heF9sZW4pCj4gPj4+PiBzZXRfbGVuKCkgdG8gdGVsbCB0aGUgRE1BIGRyaXZlciB0aGUg YW1vdW50IG9mIHZhbGlkIGJ5dGVzIHdyaXR0ZW4KPiA+Pj4+Cj4gPj4+PiBERVZfVE9fTUVNIGZs b3cgb24gY2xpZW50IHNpZGU6Cj4gPj4+PiBJbiB0aGUgY29tcGxldGlvbiBjYWxsYmFjaywgZ2V0 X3B0cigpCj4gPj4+PiB0aGUgbWV0YWRhdGEgaXMgcGF5bG9hZF9sZW4gYnl0ZXMgYW5kIGNhbiBi ZSBhY2Nlc3NlZCBpbiB0aGUgcmV0dXJuIHBvaW50ZXIuCj4gPj4+Cj4gPj4+IEkgd291bGQgdGhp bmsgdG8gdW5pZnkgdGhpcy4uCj4gPj4KPiA+PiBJIGhhdmUgdHJpZWQgaXQsIGJ1dCB0aGUgYXR0 YWNoIG1vZGUgYW5kIHRoZSBwb2ludGVyIG1vZGUgaXMgaGFyZCB0bwo+ID4+IGhhbmRsZSB3aXRo IGEgZ2VuZXJpYyBBUEkuCj4gPj4gSSB3aWxsIHRyeSB0byBmaW5kIGEgd2F5IHRvIHVuaWZ5IHRo aW5ncyBpbiBhIHNhbmUgd2F5Lgo+ID4gCj4gPiBIbW1tLCBsb29raW5nIGZyb20gdGhlIGRlc2Ny aXB0aW9uIHRoZXkgd2lsbCBiZSBmb3IgZGlmZmVyZW50IG1ldGhvZHMsCj4gPiBzbyBsZXRzIG1h a2UgdGhlbSBvcnRob2dvbmFsIGFuZCBub3QgYWxsb3cgZHJpdmVyIHRvIHJlZ2lzdGVyIGJvdGgu Cj4gCj4gSSB3b3VsZCBhbGxvdyBETUEgZHJpdmVycyB0byByZWdpc3RlciBib3RoLCBidXQgc29t ZWhvdyBlbmZvcmNlIHRoYXQKPiBjbGllbnRzIGFyZSBub3QgbWl4aW5nIHRoZSB0d28gZGlzdGlu Y3Qgd2F5IG9mIGRlYWxpbmcgd2l0aCB0aGUgbWV0YWRhdGEuCj4gCj4gVGhlIHJlYXNvbiBmb3Ig dGhhdCBpcyBmb3IgZXhhbXBsZSB0aGUgYXR0YWNoIG1vZGUgaXMgdGhlIHNpbXBsZXN0IChJCj4g aW1wbGVtZW50ZWQgaXQgZmlyc3QgYW5kIEkgaGF2ZSBhIGNsaWVudCB1c2luZyBpdCksIGJ1dCBp ZiB0aGUgcG9pbnRlcgo+IG1vZGUgaXMgZm91bmQgdG8gYmUgbW9yZSBlZmZpY2llbnQgYW5kIGZl YXNpYmxlIGZvciB0aGUgRE1BIHRoZW4gdGhlIERNQQo+IGRyaXZlciBjYW4gaW1wbGVtZW50IHRo YXQgbW9kZSBhbmQgdGhlIGNsaWVudCBjYW4gbW92ZSBhcyB3ZWxsIHcvbwo+IGJyZWFraW5nIGFu eXRoaW5nLgoKU291bmRzIHJlYXNvbmFibGUuLi4K