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: [v3,4/7] dmaengine: stm32-dma: Add DMA/MDMA chaining support From: Pierre Yves MORDRET Message-Id: Date: Wed, 10 Oct 2018 09:02:36 +0200 To: Vinod Cc: Rob Herring , Mark Rutland , Alexandre Torgue , Maxime Coquelin , Dan Williams , devicetree@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-ID: T24gMTAvMTAvMjAxOCAwNjowMyBBTSwgVmlub2Qgd3JvdGU6Cj4gT24gMDktMTAtMTgsIDEwOjQw LCBQaWVycmUgWXZlcyBNT1JEUkVUIHdyb3RlOgo+Pgo+Pgo+PiBPbiAxMC8wNy8yMDE4IDA2OjAw IFBNLCBWaW5vZCB3cm90ZToKPj4+IE9uIDI4LTA5LTE4LCAxNTowMSwgUGllcnJlLVl2ZXMgTU9S RFJFVCB3cm90ZToKPj4+PiBUaGlzIHBhdGNoIGFkZHMgc3VwcG9ydCBvZiBETUEvTURNQSBjaGFp bmluZyBzdXBwb3J0Lgo+Pj4+IEl0IGludHJvZHVjZXMgYW4gaW50ZXJtZWRpYXRlIHRyYW5zZmVy IGJldHdlZW4gcGVyaXBoZXJhbHMgYW5kIFNUTTMyIERNQS4KPj4+PiBUaGlzIGludGVybWVkaWF0 ZSB0cmFuc2ZlciBpcyB0cmlnZ2VyZWQgYnkgU1cgZm9yIHNpbmdsZSBNMkQgdHJhbnNmZXIgYW5k Cj4+Pj4gYnkgU1RNMzIgRE1BIElQIGZvciBhbGwgb3RoZXIgbW9kZXMgKHNnLCBjeWNsaWMpIGFu ZCBkaXJlY3Rpb24gKEQyTSkuCj4+Pj4KPj4+PiBBIGdlbmVyaWMgU1JBTSBhbGxvY2F0b3IgaXMg dXNlZCBmb3IgdGhpcyBpbnRlcm1lZGlhdGUgYnVmZmVyCj4+Pj4gRWFjaCBETUEgY2hhbm5lbCB3 aWxsIGJlIGFibGUgdG8gZGVmaW5lIGl0cyBTUkFNIG5lZWRzIHRvIGFjaGlldmUgY2hhaW5pbmcK Pj4+PiBmZWF0dXJlIDogKDIgXiBvcmRlcikgKiBQQUdFX1NJWkUuCj4+Pj4gRm9yIGN5Y2xpYywg U1JBTSBidWZmZXIgaXMgZGVyaXZlZCBmcm9tIHBlcmlvZCBsZW5ndGggKHJvdW5kZWQgb24KPj4+ PiBQQUdFX1NJWkUpLgo+Pj4KPj4+IFNvIElJVUMsIHlvdSBjaGFpbiB0d28gZG1hIHR4bnMgdG9n ZXRoZXIgYW5kIHRyYW5zZmVyIGRhdGEgdmlhIGFuIFNSQU0/Cj4+Cj4+IENvcnJlY3QuIG9uZSBE TUEgaXMgRE1BdjIgKHN0bTMyLWRtYSkgYW5kIHRoZSBvdGhlciBpcyBNRE1BKHN0bTMyLW1kbWEp Lgo+PiBJbnRlcm1lZGlhdGUgdHJhbnNmZXIgaXMgYmV0d2VlbiBkZXZpY2UgYW5kIG1lbW9yeS4K Pj4gVGhpcyBpbnRlcm1lZGlhdGUgdHJhbnNmZXIgaXMgdXNpbmcgU0RSQU0uCj4gCj4gQWggc28g eW91IHVzZSBkbWEgY2FsbHMgdG8gc2V0dXAgbWRtYSB4dGZlcnM/IEkgZG9udCB0aGluayB0aGF0 IGlzIGEKPiBnb29kIGlkZWEuIEhvdyBkbyB5b3Uga25vdyB5b3Ugc2hvdWxkIHVzZSBtZG1hIGZv ciBzdWJzZXF1ZW50IHRyYW5zZmVyPwo+IAoKV2hlbiB1c2VyIGJpbmRpbmdzIHRvbGQgdG8gc2V0 dXAgY2hhaW5pbmcgaW50ZXJtZWRpYXRlIE1ETUEgdHJhbnNmZXJzIGFyZSBhbHdheXMKdHJpZ2dl cnMuCkZvciBpbnN0YW5jZSBpZiBhIHVzZXIgcmVxdWVzdHMgYSBEZXYyTWVtIHRyYW5zZmVyIHdp dGggY2hhaW5pbmcuIEZyb20gY2xpZW50CnBvdiB0aGlzIGlzIHN0aWxsIGEgcHJlcF9zbGF2ZV9z Zy4gSW50ZXJuYWxseSBETUF2MiBpcyBzZXR1cCBpbiBjeWNsaWMgbW9kZSAoaW4KZG91YmxlIGJ1 ZmZlciBtb2RlIGluZGVlZCA9PiAyIGJ1ZmZlciBvZiBQQUdFX1NJWkUvMikgYW5kIGRlc3RpbmF0 aW9uIGlzIFNEUkFNLgpETUF2MiB3aWxsIGZsaXAvZmxvcCBvbiB0aG9zZSAyIGJ1ZmZlcnMuCkF0 IHRoZSBzYW1lIHRpbWUgRE1BdjIgZHJpdmVyIHByZXBhcmVzIGEgTURNQSBTRyB0aGF0IHdpbGwg ZmV0Y2ggZGF0YSBmcm9tIHRob3NlCjIgYnVmZmVycyBpbiBTRFJBTSBhbmQgZmlsbHMgZmluYWwg ZGVzdGluYXRpb24gbWVtb3J5LgoKPiAKPj4+PiAgZHJpdmVycy9kbWEvc3RtMzItZG1hLmMgfCA4 NzkgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tCj4+Pgo+ Pj4gdGhhdCBpcyBhIGxvdCBvZiBjaGFuZ2UgZm9yIGEgZHJpdmVyLCBjb25zaWRlciBzcGxpdHRp bmcgaXQgdXAKPj4+IGxvZ2ljYWxseSBpbiBzbWFsbGVyIGNoYW5nZXMuLi4KPj4+Cj4+Cj4+IFRo aXMgZmVhdHVyZSBpcyByYXRoZXIgbW9ub2xpdGhpYy4gRGlmZmljdWx0IHRvIHNwbGl0IHVwLgo+ PiBBbGwgdGhlIGNvZGUgaXMgcmVxdWlyZWQgYXQgb25jZS4KPiAKPiBJdCBjYW4gYmUgZW5hYmxl ZCBhdCBsYXN0IGJ1dCBzcGxpdCB1cCBsb2dpY2FsbHkuIEludHJ1c2l2ZSBjaGFuZ2VzIHRvIGEK PiBkcml2ZXIgbWFrZSBpdCBoYXJkIHRvIHJldmlldy4uCj4gCk9rLiBJIHdpbGwgdG8gdGhpbmsg YWJvdXQgaXQgaG93IHRvIHByb2NlZWQuCg==