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: [09/46] dmaengine: cppi41: use dmaenginem_async_device_register to simplify the code From: Huang Shijie Message-Id: <20180806032847.GA4452@hsj-Precision-5520> Date: Mon, 6 Aug 2018 11:28:47 +0800 To: Peter Ujfalusi Cc: vkoul@kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, dave.jiang@intel.com, radhey.shyam.pandey@xilinx.com, appana.durga.rao@xilinx.com, jmkrzyszt@gmail.com, gomonovych@gmail.com, keescook@chromium.org, horms+renesas@verge.net.au, geert+renesas@glider.be, shawnguo@kernel.org, baoyou.xie@linaro.org, michal.simek@xilinx.com, baohua@kernel.org, ludovic.desroches@microchip.com, linus.walleij@linaro.org, david.brown@linaro.org List-ID: T24gRnJpLCBBdWcgMDMsIDIwMTggYXQgMTA6NTU6MjVBTSArMDMwMCwgUGV0ZXIgVWpmYWx1c2kg d3JvdGU6Cj4gCj4gCj4gT24gMjAxOC0wOC0wMyAxMDoxOSwgSHVhbmcgU2hpamllIHdyb3RlOgo+ ID4gVXNlIGRtYWVuZ2luZW1fYXN5bmNfZGV2aWNlX3JlZ2lzdGVyIHRvIHNpbXBsaWZ5IHRoZSBj b2RlOgo+ID4gICAgcmVtb3ZlIGRtYV9hc3luY19kZXZpY2VfdW5yZWdpc3Rlcgo+ID4gCj4gPiBT aWduZWQtb2ZmLWJ5OiBIdWFuZyBTaGlqaWUgPHNqaHVhbmdAaWx1dmF0YXIuYWk+Cj4gPiAtLS0K PiA+ICBkcml2ZXJzL2RtYS90aS9jcHBpNDEuYyB8IDcgKystLS0tLQo+ID4gIDEgZmlsZSBjaGFu Z2VkLCAyIGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2RtYS90aS9jcHBpNDEuYyBiL2RyaXZlcnMvZG1hL3RpL2NwcGk0MS5jCj4gPiBp bmRleCAxNDk3ZGEzNjc3MTAuLmQyOTk4YTE5ZWQyZSAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMv ZG1hL3RpL2NwcGk0MS5jCj4gPiArKysgYi9kcml2ZXJzL2RtYS90aS9jcHBpNDEuYwo+ID4gQEAg LTEwOTYsMjEgKzEwOTYsMTkgQEAgc3RhdGljIGludCBjcHBpNDFfZG1hX3Byb2JlKHN0cnVjdCBw bGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gPiAgCQlnb3RvIGVycl9jaGFuczsKPiA+ICAJY2RkLT5p cnEgPSBpcnE7Cj4gPiAgCj4gPiAtCXJldCA9IGRtYV9hc3luY19kZXZpY2VfcmVnaXN0ZXIoJmNk ZC0+ZGRldik7Cj4gPiArCXJldCA9IGRtYWVuZ2luZW1fYXN5bmNfZGV2aWNlX3JlZ2lzdGVyKCZj ZGQtPmRkZXYpOwo+ID4gIAlpZiAocmV0KQo+ID4gIAkJZ290byBlcnJfY2hhbnM7Cj4gPiAgCj4g PiAgCXJldCA9IG9mX2RtYV9jb250cm9sbGVyX3JlZ2lzdGVyKGRldi0+b2Zfbm9kZSwKPiA+ICAJ CQljcHBpNDFfZG1hX3hsYXRlLCAmY3BwNDFfZG1hX2luZm8pOwo+ID4gIAlpZiAocmV0KQo+ID4g LQkJZ290byBlcnJfb2Y7Cj4gPiArCQlnb3RvIGVycl9jaGFuczsKPiA+ICAKPiA+ICAJcG1fcnVu dGltZV9tYXJrX2xhc3RfYnVzeShkZXYpOwo+ID4gIAlwbV9ydW50aW1lX3B1dF9hdXRvc3VzcGVu ZChkZXYpOwo+ID4gIAo+ID4gIAlyZXR1cm4gMDsKPiA+IC1lcnJfb2Y6Cj4gPiAtCWRtYV9hc3lu Y19kZXZpY2VfdW5yZWdpc3RlcigmY2RkLT5kZGV2KTsKPiA+ICBlcnJfY2hhbnM6Cj4gPiAgCWRl aW5pdF9jcHBpNDEoZGV2LCBjZGQpOwo+ID4gIGVycl9pbml0X2NwcGk6Cj4gPiBAQCAtMTEzMiw3 ICsxMTMwLDYgQEAgc3RhdGljIGludCBjcHBpNDFfZG1hX3JlbW92ZShzdHJ1Y3QgcGxhdGZvcm1f ZGV2aWNlICpwZGV2KQo+ID4gIAkJZGV2X2VycigmcGRldi0+ZGV2LCAiJXMgY291bGQgbm90IHBt X3J1bnRpbWVfZ2V0OiAlaVxuIiwKPiA+ICAJCQlfX2Z1bmNfXywgZXJyb3IpOwo+ID4gIAlvZl9k bWFfY29udHJvbGxlcl9mcmVlKHBkZXYtPmRldi5vZl9ub2RlKTsKPiA+IC0JZG1hX2FzeW5jX2Rl dmljZV91bnJlZ2lzdGVyKCZjZGQtPmRkZXYpOwo+IAo+IElmIEkgcmVhZCB0aGUgY29kZSByaWdo dCB0aGVuIHRoaXMgaXMgbm90IHNhZmUuCkkgcmVhZCB0aGUgY29kZSBhZ2FpbiwgYW5kIGZpbmQg aXQgaXMgb2theS4KCj4gV2Ugd291bGQgaGF2ZSBkZWluaXRhbGl6ZWQgY3BwaTQxIGRyaXZlciB3 aGljaCBpcyBub3QgZnVuY3Rpb25hbCwgYnV0IHdlCj4gd2lsbCBzdGlsbCBoYXZlIHRoZSBkbWEg ZGV2aWNlIHJlZ2lzdGVyZWQgYW5kIGlmIGEgY2hhbm5lbCBpcyByZXF1ZXN0ZWQKPiB3ZSB3aWxs IGhhdmUga2VybmVsIGNyYXNoLgpXZSBjYW5ub3Qgc3VjY2VlZCB0byByZXF1ZXN0IGEgY2hhbm5l bCB3aGVuIHRoZSBkcnYtPnJlbW92ZSgpIGlzIGNhbGxlZC4KClBsZWFzZSBzZWUgX19kZXZpY2Vf cmVsZWFzZV9kcml2ZXI6CiAgLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCgkJaWYgKGRldi0+YnVzICYmIGRldi0+YnVz LT5yZW1vdmUpCgkJCWRldi0+YnVzLT5yZW1vdmUoZGV2KTsKCQllbHNlIGlmIChkcnYtPnJlbW92 ZSkKCQkJZHJ2LT5yZW1vdmUoZGV2KTsKCgkJZGV2aWNlX2xpbmtzX2RyaXZlcl9jbGVhbnVwKGRl dik7CgkJZG1hX2RlY29uZmlndXJlKGRldik7CgoJCWRldnJlc19yZWxlYXNlX2FsbChkZXYpOyAg ICA9PT09PT09PT09PT0+IERldnJlcyByZWxlYXNlCiAgLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCgpGb3IgdGhlIERN QSBlbmdpbmUgZHJpdmVyLCB0aGVyZSBpcyBvbmx5IG9uZSBjYXNlIHdoaWNoIHdpbGwgY2FsbHMg ZHJ2LT5yZW1vdmUoKToKICAgICAgICBVc2UgdGhlIHJtbW9kKG9yIG1vZHByb2JlIC1yKS4KCldl IGRvIG5vdCB1c2UgdGhlIGRldmljZV9saW5rX2FkZCBBUEkgZm9yIERNQSBlbmdpbmVzLgpBbmQg d2Ugbm90IG1hbnVhbGx5IGNhbGwgdGhlIGRldmljZV9yZWxlYXNlX2RyaXZlcigpIGZvciBETUEg ZW5naW5lcy4KCkJ1dCB3aGVuIHdlIHVzZSB0aGUgcm1tb2QsIHRoZSBtb2R1bGUgc3RhdGUgd2ls bCBiZSBNT0RVTEVfU1RBVEVfR09JTkcuCkluIHRoZSBmaW5kX2NhbmRpZGF0ZSgpLCBkbWFfY2hh bl9nZXQoKSB3aWxsIGZhaWwuCkFuZCB3ZSBjYW5ub3QgZ2V0IGEgY2hhbm5lbC4KClBsZWFzZSBj b3JyZWN0IG1lIGlmIEkgYW0gd3JvbmcgOikKClRoYW5rcwpIdWFuZyBTaGlqaWUKLS0tClRvIHVu c3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBkbWFl bmdpbmUiIGluCnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwu b3JnCk1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jk b21vLWluZm8uaHRtbAo=