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: Srinivas Kandagatla Message-Id: <20180116190236.14558-3-srinivas.kandagatla@linaro.org> Date: Tue, 16 Jan 2018 19:02:34 +0000 To: Vinod Koul , Andy Gross , dmaengine@vger.kernel.org Cc: 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, Srinivas Kandagatla List-ID: RnJvbTogU3Jpbml2YXMgS2FuZGFnYXRsYSA8c3Jpbml2YXMua2FuZGFnYXRsYUBsaW5hcm8ub3Jn PgoKV2hlbiBMaW51eCBpcyBtYXN0ZXIgb2YgQkFNLCBpdCBjYW4gZGlyZWN0bHkgcmVhZCByZWdp c3RlcnMgdG8ga25vdyBudW1iZXIKb2Ygc3VwcG9ydGVkIGNoYW5uZWxzLCBob3dldmVyIHdoZW4g aXRzIHJlbW90ZWx5IGNvbnRyb2xsZWQgcmVhZGluZyB0aGVzZQpyZWdpc3RlcnMgd291bGQgdHJp Z2dlciBhIGNyYXNoIGlmIHRoZSBCQU0gaXMgbm90IHlldCBpbnRpYWxpemVkL3Bvd2VyZWQgdXAK b24gdGhlIHJlbW90ZSBzaWRlLgoKVGhpcyBwYXRjaCBhZGRzIG51bS1jaGFubmVscyBiaW5kaW5n IHRvIHNwZWNpZnkgbnVtYmVyIG9mIHN1cHBvcnRlZApkbWEgY2hhbm5lbHMgb24gcmVtb3RlbHkg Y29udHJvbGxlZCBCQU0uCgpTaWduZWQtb2ZmLWJ5OiBTcmluaXZhcyBLYW5kYWdhdGxhIDxzcmlu aXZhcy5rYW5kYWdhdGxhQGxpbmFyby5vcmc+Ci0tLQogRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVl L2JpbmRpbmdzL2RtYS9xY29tX2JhbV9kbWEudHh0IHwgIDIgKysKIGRyaXZlcnMvZG1hL3Fjb20v YmFtX2RtYS5jICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8IDEzICsrKysrKysrKysrLS0K IDIgZmlsZXMgY2hhbmdlZCwgMTMgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2Rt YS50eHQgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2Rt YS50eHQKaW5kZXggOWNiZjVkOWRmOGZkLi5hYTY4MjJjYmIyMzAgMTAwNjQ0Ci0tLSBhL0RvY3Vt ZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kbWEvcWNvbV9iYW1fZG1hLnR4dAorKysgYi9E b2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL3Fjb21fYmFtX2RtYS50eHQKQEAg LTE1LDYgKzE1LDggQEAgUmVxdWlyZWQgcHJvcGVydGllczoKICAgdGhlIHNlY3VyZSB3b3JsZC4K IC0gcWNvbSxjb250cm9sbGVkLXJlbW90ZWx5IDogb3B0aW9uYWwsIGluZGljYXRlcyB0aGF0IHRo ZSBiYW0gaXMgY29udHJvbGxlZCBieQogICByZW1vdGUgcHJvY2Nlc3NvciBpLmUuIGV4ZWN1dGlv biBlbnZpcm9ubWVudC4KKy0gbnVtLWNoYW5uZWxzIDogb3B0aW9uYWwsIGluZGljYXRlcyBzdXBw b3J0ZWQgbnVtYmVyIG9mIERNQSBjaGFubmVscyBpbiBhCisgIHJlbW90ZWx5IGNvbnRyb2xsZWQg YmFtLgogCiBFeGFtcGxlOgogCmRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9xY29tL2JhbV9kbWEu YyBiL2RyaXZlcnMvZG1hL3Fjb20vYmFtX2RtYS5jCmluZGV4IDc4ZTQ4OGU4Zjk2ZC4uNTIzYmQx NzgwNDdhIDEwMDY0NAotLS0gYS9kcml2ZXJzL2RtYS9xY29tL2JhbV9kbWEuYworKysgYi9kcml2 ZXJzL2RtYS9xY29tL2JhbV9kbWEuYwpAQCAtMTA4Myw4ICsxMDgzLDEwIEBAIHN0YXRpYyBpbnQg YmFtX2luaXQoc3RydWN0IGJhbV9kZXZpY2UgKmJkZXYpCiAJaWYgKGJkZXYtPmVlID49IHZhbCkK IAkJcmV0dXJuIC1FSU5WQUw7CiAKLQl2YWwgPSByZWFkbF9yZWxheGVkKGJhbV9hZGRyKGJkZXYs IDAsIEJBTV9OVU1fUElQRVMpKTsKLQliZGV2LT5udW1fY2hhbm5lbHMgPSB2YWwgJiBCQU1fTlVN X1BJUEVTX01BU0s7CisJaWYgKCFiZGV2LT5udW1fY2hhbm5lbHMpIHsKKwkJdmFsID0gcmVhZGxf cmVsYXhlZChiYW1fYWRkcihiZGV2LCAwLCBCQU1fTlVNX1BJUEVTKSk7CisJCWJkZXYtPm51bV9j aGFubmVscyA9IHZhbCAmIEJBTV9OVU1fUElQRVNfTUFTSzsKKwl9CiAKIAlpZiAoYmRldi0+Y29u dHJvbGxlZF9yZW1vdGVseSkKIAkJcmV0dXJuIDA7CkBAIC0xMTc5LDYgKzExODEsMTMgQEAgc3Rh dGljIGludCBiYW1fZG1hX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCiAJYmRl di0+Y29udHJvbGxlZF9yZW1vdGVseSA9IG9mX3Byb3BlcnR5X3JlYWRfYm9vbChwZGV2LT5kZXYu b2Zfbm9kZSwKIAkJCQkJCSJxY29tLGNvbnRyb2xsZWQtcmVtb3RlbHkiKTsKIAorCWlmIChiZGV2 LT5jb250cm9sbGVkX3JlbW90ZWx5KSB7CisJCXJldCA9IG9mX3Byb3BlcnR5X3JlYWRfdTMyKHBk ZXYtPmRldi5vZl9ub2RlLCAibnVtLWNoYW5uZWxzIiwKKwkJCQkJICAgJmJkZXYtPm51bV9jaGFu bmVscyk7CisJCWlmIChyZXQpCisJCQlkZXZfZXJyKGJkZXYtPmRldiwgIm51bS1jaGFubmVscyB1 bnNwZWNpZmllZCBpbiBkdFxuIik7CisJfQorCiAJYmRldi0+YmFtY2xrID0gZGV2bV9jbGtfZ2V0 KGJkZXYtPmRldiwgImJhbV9jbGsiKTsKIAlpZiAoSVNfRVJSKGJkZXYtPmJhbWNsaykpIHsKIAkJ YmRldi0+YmFtY2xrID0gTlVMTDsK