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: [02/14] dmaengine: dma-jz4780: Separate chan/ctrl registers From: Vinod Koul Message-Id: <20180709170359.GI22377@vkoul-mobl> Date: Mon, 9 Jul 2018 22:33:59 +0530 To: Paul Cercueil Cc: Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , Zubair Lutfullah Kakakhel , Mathieu Malaterre , Daniel Silsby , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org List-ID: T24gMDMtMDctMTgsIDE0OjMyLCBQYXVsIENlcmN1ZWlsIHdyb3RlOgo+IFRoZSByZWdpc3RlciBh cmVhIG9mIHRoZSBKWjQ3ODAgRE1BIGNvcmUgY2FuIGJlIHNwbGl0IGludG8gZGlmZmVyZW50Cj4g c2VjdGlvbnMgZm9yIGRpZmZlcmVudCBwdXJwb3NlczoKPiAKPiAqIG9uZSBzZXQgb2YgcmVnaXN0 ZXJzIGlzIHVzZWQgdG8gcGVyZm9ybSBhY3Rpb25zIGF0IHRoZSBETUEgY29yZSBsZXZlbCwKPiB0 aGF0IHdpbGwgZ2VuZXJhbGx5IGFmZmVjdCBhbGwgY2hhbm5lbHM7Cj4gCj4gKiBvbmUgc2V0IG9m IHJlZ2lzdGVycyBwZXIgRE1BIGNoYW5uZWwsIHRvIHBlcmZvcm0gYWN0aW9ucyBhdCB0aGUgRE1B Cj4gY2hhbm5lbCBsZXZlbCwgdGhhdCB3aWxsIG9ubHkgYWZmZWN0IHRoZSBjaGFubmVsIGluIHF1 ZXN0aW9uLgo+IAo+IFRoZSBwcm9ibGVtIHJpc2VzIHdoZW4gdHJ5aW5nIHRvIHN1cHBvcnQgbmV3 IHZlcnNpb25zIG9mIHRoZSBKWjQ3eHgKPiBJbmdlbmljIFNvQy4gRm9yIGluc3RhbmNlLCB0aGUg Slo0NzcwIGhhcyB0d28gRE1BIGNvcmVzLCBlYWNoIG9uZQo+IHdpdGggc2l4IERNQSBjaGFubmVs cywgYW5kIHRoZSByZWdpc3RlciBzZXRzIGFyZSBpbnRlcmxlYXZlZDoKPiA8RE1BMCBjaGFuIHJl Z3M+IDxETUExIGNoYW4gcmVncz4gPERNQTAgY3RybCByZWdzPiA8RE1BMSBjdHJsIHJlZ3M+Cj4g Cj4gQnkgdXNpbmcgb25lIG1lbW9yeSByZXNvdXJjZSBmb3IgdGhlIGNoYW5uZWwtc3BlY2lmaWMg cmVnaXN0ZXJzIGFuZAo+IG9uZSBtZW1vcnkgcmVzb3VyY2UgZm9yIHRoZSBjb3JlLXNwZWNpZmlj IHJlZ2lzdGVycywgd2UgY2FuIHN1cHBvcnQKPiB0aGUgSlo0NzcwLCBieSBpbml0aWFsaXppbmcg dGhlIGRyaXZlciBvbmNlIHBlciBETUEgY29yZSB3aXRoIGRpZmZlcmVudAo+IGFkZHJlc3Nlcy4K PiAKPiBTaWduZWQtb2ZmLWJ5OiBQYXVsIENlcmN1ZWlsIDxwYXVsQGNyYXBvdWlsbG91Lm5ldD4K PiAtLS0KPiAgLi4uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL2p6NDc4MC1kbWEudHh0ICAgIHwg ICA2ICstCgpQbHMgbW92ZSB0byBzZXBhcmF0ZSBwYXRjaC4KCj4gIGRyaXZlcnMvZG1hL2RtYS1q ejQ3ODAuYyAgICAgICAgICAgICAgICAgICAgICB8IDEwNiArKysrKysrKysrKy0tLS0tLS0KPiAg MiBmaWxlcyBjaGFuZ2VkLCA2OSBpbnNlcnRpb25zKCspLCA0MyBkZWxldGlvbnMoLSkKPiAKPiBk aWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2RtYS9qejQ3ODAt ZG1hLnR4dCBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kbWEvano0NzgwLWRt YS50eHQKPiBpbmRleCBmMjVmZWVlNjJiMTUuLmY5YjE4NjRmNWI3NyAxMDA2NDQKPiAtLS0gYS9E b2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZG1hL2p6NDc4MC1kbWEudHh0Cj4gKysr IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2RtYS9qejQ3ODAtZG1hLnR4dAo+ IEBAIC0zLDcgKzMsOCBAQAo+ICBSZXF1aXJlZCBwcm9wZXJ0aWVzOgo+ICAKPiAgLSBjb21wYXRp YmxlOiBTaG91bGQgYmUgImluZ2VuaWMsano0NzgwLWRtYSIKPiAtLSByZWc6IFNob3VsZCBjb250 YWluIHRoZSBETUEgY29udHJvbGxlciByZWdpc3RlcnMgbG9jYXRpb24gYW5kIGxlbmd0aC4KPiAr LSByZWc6IFNob3VsZCBjb250YWluIHRoZSBETUEgY2hhbm5lbCByZWdpc3RlcnMgbG9jYXRpb24g YW5kIGxlbmd0aCwgZm9sbG93ZWQKPiArICBieSB0aGUgRE1BIGNvbnRyb2xsZXIgcmVnaXN0ZXJz IGxvY2F0aW9uIGFuZCBsZW5ndGguCj4gIC0gaW50ZXJydXB0czogU2hvdWxkIGNvbnRhaW4gdGhl IGludGVycnVwdCBzcGVjaWZpZXIgb2YgdGhlIERNQSBjb250cm9sbGVyLgo+ICAtIGludGVycnVw dC1wYXJlbnQ6IFNob3VsZCBiZSB0aGUgcGhhbmRsZSBvZiB0aGUgaW50ZXJydXB0IGNvbnRyb2xs ZXIgdGhhdAo+ICAtIGNsb2NrczogU2hvdWxkIGNvbnRhaW4gYSBjbG9jayBzcGVjaWZpZXIgZm9y IHRoZSBKWjQ3ODAgUERNQSBjbG9jay4KPiBAQCAtMjIsNyArMjMsOCBAQCBFeGFtcGxlOgo+ICAK PiAgZG1hOiBkbWFAMTM0MjAwMDAgewo+ICAJY29tcGF0aWJsZSA9ICJpbmdlbmljLGp6NDc4MC1k bWEiOwo+IC0JcmVnID0gPDB4MTM0MjAwMDAgMHgxMDAwMD47Cj4gKwlyZWcgPSA8MHgxMzQyMDAw MCAweDQwMAo+ICsJICAgICAgIDB4MTM0MjEwMDAgMHg0MD47CgpTZWNvbmQgc2hvdWxkIGJlIG9w dGlvbmFsIG9yIHdlIGJyZWFrIHBsYXRmb3JtIHdoaWNoIG1heSBub3QgaGF2ZQp1cGRhdGVkIERU Li4KCj4gLQlqemRtYS0+YmFzZSA9IGRldm1faW9yZW1hcF9yZXNvdXJjZShkZXYsIHJlcyk7Cj4g LQlpZiAoSVNfRVJSKGp6ZG1hLT5iYXNlKSkKPiAtCQlyZXR1cm4gUFRSX0VSUihqemRtYS0+YmFz ZSk7Cj4gKwlqemRtYS0+Y2huX2Jhc2UgPSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoZGV2LCByZXMp Owo+ICsJaWYgKElTX0VSUihqemRtYS0+Y2huX2Jhc2UpKQo+ICsJCXJldHVybiBQVFJfRVJSKGp6 ZG1hLT5jaG5fYmFzZSk7Cj4gKwo+ICsJcmVzID0gcGxhdGZvcm1fZ2V0X3Jlc291cmNlKHBkZXYs IElPUkVTT1VSQ0VfTUVNLCAxKTsKPiArCWlmICghcmVzKSB7Cj4gKwkJZGV2X2VycihkZXYsICJm YWlsZWQgdG8gZ2V0IEkvTyBtZW1vcnlcbiIpOwo+ICsJCXJldHVybiAtRUlOVkFMOwo+ICsJfQoK b2theSBhbmQgdGhpcyBicmVha3MgaWYgeW91IGhhcHBlbiB0byBnZXQgcHJvYmVkIG9uIG9sZGVy IERULiBJIHRoaW5rIERUCmlzIHRyZWF0ZWQgYXMgQUJJIHNvIHlvdSBuZWVkIHRvIGNvbnRpbnVl IHN1cHBvcnQgb2xkZXIgbWV0aG9kIHdoaWxlCmZpbmRpbmcgaWYgRFQgaGFzIHNwbGl0IHJlc291 cmNlcwo=