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: [2/4] dmaengine: qcom: bam_dma: add num-channels binding for remotely controlled From: Vinod Koul Message-Id: <20180119055509.GW18649@localhost> Date: Fri, 19 Jan 2018 11:25:09 +0530 To: srinivas.kandagatla@linaro.org Cc: Andy Gross , dmaengine@vger.kernel.org, Rob Herring , Mark Rutland , David Brown , Dan Williams , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, yanhe@quicinc.com, ramkri@qti.qualcomm.com, sdharia@quicinc.com List-ID: T24gVHVlLCBKYW4gMTYsIDIwMTggYXQgMDc6MDI6MzRQTSArMDAwMCwgc3Jpbml2YXMua2FuZGFn YXRsYUBsaW5hcm8ub3JnIHdyb3RlOgo+IEZyb206IFNyaW5pdmFzIEthbmRhZ2F0bGEgPHNyaW5p dmFzLmthbmRhZ2F0bGFAbGluYXJvLm9yZz4KPiAKPiBXaGVuIExpbnV4IGlzIG1hc3RlciBvZiBC QU0sIGl0IGNhbiBkaXJlY3RseSByZWFkIHJlZ2lzdGVycyB0byBrbm93IG51bWJlcgo+IG9mIHN1 cHBvcnRlZCBjaGFubmVscywgaG93ZXZlciB3aGVuIGl0cyByZW1vdGVseSBjb250cm9sbGVkIHJl YWRpbmcgdGhlc2UKPiByZWdpc3RlcnMgd291bGQgdHJpZ2dlciBhIGNyYXNoIGlmIHRoZSBCQU0g aXMgbm90IHlldCBpbnRpYWxpemVkL3Bvd2VyZWQgdXAKPiBvbiB0aGUgcmVtb3RlIHNpZGUuCj4g Cj4gVGhpcyBwYXRjaCBhZGRzIG51bS1jaGFubmVscyBiaW5kaW5nIHRvIHNwZWNpZnkgbnVtYmVy IG9mIHN1cHBvcnRlZAo+IGRtYSBjaGFubmVscyBvbiByZW1vdGVseSBjb250cm9sbGVkIEJBTS4K PiAKPiBTaWduZWQtb2ZmLWJ5OiBTcmluaXZhcyBLYW5kYWdhdGxhIDxzcmluaXZhcy5rYW5kYWdh dGxhQGxpbmFyby5vcmc+Cj4gLS0tCj4gIERvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5n cy9kbWEvcWNvbV9iYW1fZG1hLnR4dCB8ICAyICsrCj4gIGRyaXZlcnMvZG1hL3Fjb20vYmFtX2Rt YS5jICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8IDEzICsrKysrKysrKysrLS0KPiAgMiBm aWxlcyBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYg LS1naXQgYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2Rt YS50eHQgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2Rt YS50eHQKPiBpbmRleCA5Y2JmNWQ5ZGY4ZmQuLmFhNjgyMmNiYjIzMCAxMDA2NDQKPiAtLS0gYS9E b2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2RtYS50eHQKPiAr KysgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2RtYS50 eHQKPiBAQCAtMTUsNiArMTUsOCBAQCBSZXF1aXJlZCBwcm9wZXJ0aWVzOgo+ICAgIHRoZSBzZWN1 cmUgd29ybGQuCj4gIC0gcWNvbSxjb250cm9sbGVkLXJlbW90ZWx5IDogb3B0aW9uYWwsIGluZGlj YXRlcyB0aGF0IHRoZSBiYW0gaXMgY29udHJvbGxlZCBieQo+ICAgIHJlbW90ZSBwcm9jY2Vzc29y IGkuZS4gZXhlY3V0aW9uIGVudmlyb25tZW50Lgo+ICstIG51bS1jaGFubmVscyA6IG9wdGlvbmFs LCBpbmRpY2F0ZXMgc3VwcG9ydGVkIG51bWJlciBvZiBETUEgY2hhbm5lbHMgaW4gYQo+ICsgIHJl bW90ZWx5IGNvbnRyb2xsZWQgYmFtLgo+ICAKPiAgRXhhbXBsZToKPiAgCj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZG1hL3Fjb20vYmFtX2RtYS5jIGIvZHJpdmVycy9kbWEvcWNvbS9iYW1fZG1hLmMK PiBpbmRleCA3OGU0ODhlOGY5NmQuLjUyM2JkMTc4MDQ3YSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2RtYS9xY29tL2JhbV9kbWEuYwo+ICsrKyBiL2RyaXZlcnMvZG1hL3Fjb20vYmFtX2RtYS5jCj4g QEAgLTEwODMsOCArMTA4MywxMCBAQCBzdGF0aWMgaW50IGJhbV9pbml0KHN0cnVjdCBiYW1fZGV2 aWNlICpiZGV2KQo+ICAJaWYgKGJkZXYtPmVlID49IHZhbCkKPiAgCQlyZXR1cm4gLUVJTlZBTDsK PiAgCj4gLQl2YWwgPSByZWFkbF9yZWxheGVkKGJhbV9hZGRyKGJkZXYsIDAsIEJBTV9OVU1fUElQ RVMpKTsKPiAtCWJkZXYtPm51bV9jaGFubmVscyA9IHZhbCAmIEJBTV9OVU1fUElQRVNfTUFTSzsK PiArCWlmICghYmRldi0+bnVtX2NoYW5uZWxzKSB7Cj4gKwkJdmFsID0gcmVhZGxfcmVsYXhlZChi YW1fYWRkcihiZGV2LCAwLCBCQU1fTlVNX1BJUEVTKSk7Cj4gKwkJYmRldi0+bnVtX2NoYW5uZWxz ID0gdmFsICYgQkFNX05VTV9QSVBFU19NQVNLOwo+ICsJfQo+ICAKPiAgCWlmIChiZGV2LT5jb250 cm9sbGVkX3JlbW90ZWx5KQo+ICAJCXJldHVybiAwOwo+IEBAIC0xMTc5LDYgKzExODEsMTMgQEAg c3RhdGljIGludCBiYW1fZG1hX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4g IAliZGV2LT5jb250cm9sbGVkX3JlbW90ZWx5ID0gb2ZfcHJvcGVydHlfcmVhZF9ib29sKHBkZXYt PmRldi5vZl9ub2RlLAo+ICAJCQkJCQkicWNvbSxjb250cm9sbGVkLXJlbW90ZWx5Iik7Cj4gIAo+ ICsJaWYgKGJkZXYtPmNvbnRyb2xsZWRfcmVtb3RlbHkpIHsKCmhtbSBzbyBpZiB3ZSByZW1vdmUg dGhlIHJlbW90ZWx5IGNvbnRyb2xsZWQgaW5zdGFuY2VkIGZyb20gRFQgYW5kIHRoZW4gTGludXgK d29uJ3Qgc2VlIHRoZW0gYW5kIG5vdCBkbyBhbnl0aGluZy4gRG8gd2UgbmVlZCB0byBkbyBjb25m aWd1cmF0aW9uIG9mIHRoZXNlCmluc3RhbmNlcyB0b28/Cgo+ICsJCXJldCA9IG9mX3Byb3BlcnR5 X3JlYWRfdTMyKHBkZXYtPmRldi5vZl9ub2RlLCAibnVtLWNoYW5uZWxzIiwKPiArCQkJCQkgICAm YmRldi0+bnVtX2NoYW5uZWxzKTsKPiArCQlpZiAocmV0KQo+ICsJCQlkZXZfZXJyKGJkZXYtPmRl diwgIm51bS1jaGFubmVscyB1bnNwZWNpZmllZCBpbiBkdFxuIik7Cj4gKwl9Cj4gKwo+ICAJYmRl di0+YmFtY2xrID0gZGV2bV9jbGtfZ2V0KGJkZXYtPmRldiwgImJhbV9jbGsiKTsKPiAgCWlmIChJ U19FUlIoYmRldi0+YmFtY2xrKSkgewo+ICAJCWJkZXYtPmJhbWNsayA9IE5VTEw7Cj4gLS0gCj4g Mi4xNS4xCj4K