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Sun, 02 Jan 2022 09:38:53 -0800 (PST) Date: Sun, 2 Jan 2022 18:38:51 +0100 From: Corentin Labbe To: Conley Lee Cc: davem@davemloft.net, kuba@kernel.org, mripard@kernel.org, wens@csie.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, jernej.skrabec@gmail.com Subject: Re: [PATCH v6] sun4i-emac.c: add dma support Message-ID: References: <20211228164817.1297c1c9@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220102_093857_146694_FA7BBDFF X-CRM114-Status: GOOD ( 26.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org TGUgU2F0LCBKYW4gMDEsIDIwMjIgYXQgMDM6MDk6MDFQTSArMDgwMCwgQ29ubGV5IExlZSBhIMOp Y3JpdCA6Cj4gT24gMTIvMzEvMjEgYXQgMTE6NDPkuIrljYgsIENvcmVudGluIExhYmJlIHdyb3Rl Ogo+ID4gRGF0ZTogRnJpLCAzMSBEZWMgMjAyMSAxMTo0Mzo1MyArMDEwMAo+ID4gRnJvbTogQ29y ZW50aW4gTGFiYmUgPGNsYWJiZS5tb250am9pZUBnbWFpbC5jb20+Cj4gPiBUbzogY29ubGV5bGVl QGZveG1haWwuY29tCj4gPiBDYzogZGF2ZW1AZGF2ZW1sb2Z0Lm5ldCwga3ViYUBrZXJuZWwub3Jn LCBtcmlwYXJkQGtlcm5lbC5vcmcsCj4gPiAgd2Vuc0Bjc2llLm9yZywgbmV0ZGV2QHZnZXIua2Vy bmVsLm9yZywKPiA+ICBsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcsIGxpbnV4 LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcKPiA+IFN1YmplY3Q6IFJlOiBbUEFUQ0ggdjZdIHN1bjRp LWVtYWMuYzogYWRkIGRtYSBzdXBwb3J0Cj4gPiAKPiA+IExlIFdlZCwgRGVjIDI5LCAyMDIxIGF0 IDA5OjQzOjUxQU0gKzA4MDAsIGNvbmxleWxlZUBmb3htYWlsLmNvbSBhIMOpY3JpdCA6Cj4gPiA+ IEZyb206IENvbmxleSBMZWUgPGNvbmxleWxlZUBmb3htYWlsLmNvbT4KPiA+ID4gCj4gPiA+IFRo YW5rcyBmb3IgeW91ciByZXZpZXcuIEhlcmUgaXMgdGhlIG5ldyB2ZXJzaW9uIGZvciB0aGlzIHBh dGNoLgo+ID4gPiAKPiA+ID4gVGhpcyBwYXRjaCBhZGRzIHN1cHBvcnQgZm9yIHRoZSBlbWFjIHJ4 IGRtYSBwcmVzZW50IG9uIHN1bjRpLiBUaGUgZW1hYwo+ID4gPiBpcyBhYmxlIHRvIG1vdmUgcGFj a2V0cyBmcm9tIHJ4IGZpZm8gdG8gUkFNIGJ5IHVzaW5nIGRtYS4KPiA+ID4gCj4gPiA+IENoYW5n ZSBzaW5jZSB2NC4KPiA+ID4gICAtIHJlbmFtZSBzYmsgZmllbGQgdG8gc2tiCj4gPiA+ICAgLSBy ZW5hbWUgYWxsb2NfZW1hY19kbWFfcmVxIHRvIGVtYWNfYWxsb2NfZG1hX3JlcQo+ID4gPiAgIC0g dXNpbmcga3phbGxvYyguLi4sIEdQRl9BVE9NSUMpIGluIGludGVycnVwdCBjb250ZXh0IHRvIGF2 b2lkCj4gPiA+ICAgICBzbGVlcGluZwo+ID4gPiAgIC0gcmV0cnkgYnkgdXNpbmcgZW1hY19pbmJs a18zMmJpdCB3aGVuIGVtYWNfZG1hX2luYmxrXzMyYml0IGZhaWxzCj4gPiA+ICAgLSBmaXggc29t ZSBjb2RlIHN0eWxlIGlzc3VlcyAKPiA+ID4gCj4gPiA+IENoYW5nZSBzaW5jZSB2NS4KPiA+ID4g ICAtIGZpeCBzb21lIGNvZGUgc3R5bGUgaXNzdWUKPiA+ID4gCj4gPiAKPiA+IEhlbGxvCj4gPiAK PiA+IEkganVzdCB0ZXN0ZWQgdGhpcyBvbiBhIHN1bjRpLWExMC1vbGludXhpbm8tbGltZQo+ID4g Cj4gPiBJIGdvdDoKPiA+IFsgICAgMi45MjI4MTJdIHN1bjRpLWVtYWMgMWMwYjAwMC5ldGhlcm5l dCAodW5uYW1lZCBuZXRfZGV2aWNlKSAodW5pbml0aWFsaXplZCk6IGdldCBpbyByZXNvdXJjZSBm cm9tIGRldmljZTogMHgxYzBiMDAwLCBzaXplID0gNDA5Ngo+ID4gWyAgICAyLjkzNDUxMl0gc3Vu NGktZW1hYyAxYzBiMDAwLmV0aGVybmV0ICh1bm5hbWVkIG5ldF9kZXZpY2UpICh1bmluaXRpYWxp emVkKTogZmFpbGVkIHRvIHJlcXVlc3QgZG1hIGNoYW5uZWwuIGRtYSBpcyBkaXNhYmxlZAo+ID4g WyAgICAyLjk0NTc0MF0gc3VuNGktZW1hYyAxYzBiMDAwLmV0aGVybmV0ICh1bm5hbWVkIG5ldF9k ZXZpY2UpICh1bmluaXRpYWxpemVkKTogY29uZmlndXJlIGRtYSBmYWlsZWQuIGRpc2FibGUgZG1h Lgo+ID4gWyAgICAyLjk1Nzg4N10gc3VuNGktZW1hYyAxYzBiMDAwLmV0aGVybmV0OiBldGgwOiBh dCAocHRydmFsKSwgSVJRIDE5IE1BQzogMDI6NDk6MDk6NDA6YWI6M2QKPiA+IAo+ID4gT24gd2hp Y2ggYm9hcmQgZGlkIHlvdSB0ZXN0IGl0IGFuZCBob3cgPwo+ID4gCj4gPiBSZWdhcmRzCj4gCj4g U29ycnkuIEkgc2VudCB0aGUgZW1haWwgd2l0aCB0ZXh0L2h0bWwgZm9ybWF0LiBUaGlzIGVtYWls IGlzIGFuIGNsZWFuIHZlcnNpb24uCj4gCj4gSW4gb3JkZXIgdG8gZW5hYmxlIGRtYSByeCBjaGFu bmVsLiBgZG1hc2AgYW5kIGBkbWEtbmFtZXNgIHByb3BlcnRpZXMKPiBzaG91bGQgYmUgYWRkZWQg dG8gZW1hYyBzZWN0aW9uIGluIGR0czoKPiAKPiBlbWFjOiBldGhlcm5ldEAxYzBiMDAwIHsKPiAJ Li4uCj4gCWRtYXMgPSA8JmRtYSBTVU40SV9ETUFfREVESUNBVEVEIDc+Owo+IAlkbWEtbmFtZXMg PSAicngiOwo+IAkuLi4KPiB9CgpIZWxvCgpZZXMgSSBmaWd1cmVkIHRoYXQgb3V0LiBCdXQgeW91 IHNob3VsZCBoYXZlIGRvbmUgYSBwYXRjaCBzZXJpZSBhZGRpbmcgdGhpcy4KWW91ciBwYXRjaCBp cyBub3cgYXBwbGllZCBidXQgaXQgaXMgYSB1c2VsZXNzIGNoYW5nZSB3aXRob3V0IHRoZSBkdGIg Y2hhbmdlLgpZb3Ugc2hvdWxkIGFsc28gcHJvYmFibHkgdXBkYXRlIHRoZSBkcml2ZXIgYmluZGlu ZyAoRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL25ldC9hbGx3aW5uZXIsc3VuNGkt YTEwLWVtYWMueWFtbCkgc2luY2UgeW91IGFkZCBuZXcgbWVtYmVycyB0byBEVCBub2RlLgoKRnVy dGhlcm1vcmUsIHdoeSBkaWQgeW91IGFkZCBSWCBvbmx5IGFuZCBub3QgVFggZG1hIGFsc28gPwoK UHJvYmFibHkgaXQgaXMgdG9vIGxhdGUgc2luY2UgcGF0Y2ggaXMgYXBwbGllZCBidXQgaXQgaXM6 ClRlc3RlZC1ieTogQ29yZW50aW4gTGFiYmUgPGNsYWJiZS5tb250am9pZUBnbWFpbC5jb20+ClRl c3RlZC1vbjogc3VuNGktYTEwLW9saW51eGluby1saW1lCgpSZWdhcmRzCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxp bmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==