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: <20180411090854.GY6014@localhost> Date: Wed, 11 Apr 2018 14:38:55 +0530 To: Radhey Shyam Pandey Cc: dan.j.williams@intel.com, michal.simek@xilinx.com, appana.durga.rao@xilinx.com, radheys@xilinx.com, lars@metafoo.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-ID: T24gTW9uLCBBcHIgMDIsIDIwMTggYXQgMDQ6MDk6MDJQTSArMDUzMCwgUmFkaGV5IFNoeWFtIFBh bmRleSB3cm90ZToKCj4gKwo+ICsJCWlmIChjaGFuLT54ZGV2LT5oYXNfYXhpZXRoX2Nvbm5lY3Rl ZCkgewo+ICsJCQlzZWcgPSBsaXN0X2ZpcnN0X2VudHJ5KCZkZXNjLT5zZWdtZW50cywKPiArCQkJ CQlzdHJ1Y3QgeGlsaW54X2F4aWRtYV90eF9zZWdtZW50LCBub2RlKTsKPiArCQkJaWYgKGNiLmNh bGxiYWNrX3BhcmFtKSB7Cj4gKwkJCQlhcHBfdyA9ICh1MzIgKikgY2IuY2FsbGJhY2tfcGFyYW07 Cgp3aHkgYXJlIHlvdSBpbnRlcnByZXRpbmcgY2FsbGJhY2tfcGFyYW0/IFRoaXMgaXMgcGxhaW5s eSB3cm9uZy4Kd2UgZG8gbm90IGtub3cgd2hhdCBpcyB0aGUgaW50ZXJwcmV0YXRpb24gb2YgY2Fs bGJhY2tfcGFyYW0gYW5kIGl0IGlzCmludGVybmFsIHRvIHN1Ym1pdHRlci4KCldoYXQgZXhhY3Rs eSBpcyB0aGUgcHJvYmxlbSB5b3UgYXJlIHRyeWluZyB0byBzb2x2ZT8KCj4gKwkJCQlodyA9ICZz ZWctPmh3Owo+ICsJCQkJKmFwcF93ID0gaHctPnN0YXR1cyAmIFhJTElOWF9ETUFfTUFYX1RSQU5T X0xFTjsKPiArCQkJCW1lbWNweShhcHBfdywgaHctPmFwcCwgc2l6ZW9mKHUzMikgKgo+ICsJCQkJ CVhJTElOWF9ETUFfTlVNX0FQUF9XT1JEUyk7Cj4gKwkJCX0K