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,5/6] dmaengine: xilinx_dma: Program interrupt delay timeout From: Vinod Koul Message-Id: <20180411091159.GA6014@localhost> Date: Wed, 11 Apr 2018 14:41:59 +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: T24gTW9uLCBBcHIgMDIsIDIwMTggYXQgMDQ6MDk6MDVQTSArMDUzMCwgUmFkaGV5IFNoeWFtIFBh bmRleSB3cm90ZToKPiBQcm9ncmFtIElSUURlbGF5IGZvciBBWEkgRE1BLiBUaGUgaW50ZXJydXB0 IHRpbWVvdXQgbWVjaGFuaXNtIGNhdXNlcwo+IHRoZSBETUEgZW5naW5lIHRvIGdlbmVyYXRlIGFu IGludGVycnVwdCBhZnRlciB0aGUgZGVsYXkgdGltZSBwZXJpb2QKPiBoYXMgZXhwaXJlZC4gSXQg ZW5hYmxlcyBkbWFlbmdpbmUgdG8gcmVzcG9uZCBpbiByZWFsLXRpbWUgZXZlbiB0aG91Z2gKPiBp bnRlcnJ1cHQgY29hbGVzY2luZyBpcyBjb25maWd1cmVkLgoKYWdhaW4geW91IGFyZSBkb2luZyB0 aGlzIG9ubHkgZm9yIGF4aWV0aF9jb25uZWN0ZWQsIHdoeSBpcyB0aGF0PwoKPiAKPiBTaWduZWQt b2ZmLWJ5OiBSYWRoZXkgU2h5YW0gUGFuZGV5IDxyYWRoZXlzQHhpbGlueC5jb20+Cj4gLS0tCj4g IGRyaXZlcnMvZG1hL3hpbGlueC94aWxpbnhfZG1hLmMgfCAgIDE2ICsrKysrKysrKysrKysrLS0K PiAgMSBmaWxlcyBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS94aWxpbngveGlsaW54X2RtYS5jIGIvZHJpdmVycy9k bWEveGlsaW54L3hpbGlueF9kbWEuYwo+IGluZGV4IDUxODQ2NWUuLmFiOGYxYjAgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy9kbWEveGlsaW54L3hpbGlueF9kbWEuYwo+ICsrKyBiL2RyaXZlcnMvZG1h L3hpbGlueC94aWxpbnhfZG1hLmMKPiBAQCAtMTYxLDggKzE2MSwxMiBAQAo+ICAvKiBBWEkgRE1B IFNwZWNpZmljIE1hc2tzL0JpdCBmaWVsZHMgKi8KPiAgI2RlZmluZSBYSUxJTlhfRE1BX01BWF9U UkFOU19MRU4JR0VOTUFTSygyMiwgMCkKPiAgI2RlZmluZSBYSUxJTlhfRE1BX0NSX0NPQUxFU0NF X01BWAlHRU5NQVNLKDIzLCAxNikKPiArI2RlZmluZSBYSUxJTlhfRE1BX0NSX0RFTEFZX01BWAkJ R0VOTUFTSygzMSwgMjQpCj4gICNkZWZpbmUgWElMSU5YX0RNQV9DUl9DWUNMSUNfQkRfRU5fTUFT SwlCSVQoNCkKPiAgI2RlZmluZSBYSUxJTlhfRE1BX0NSX0NPQUxFU0NFX1NISUZUCTE2Cj4gKyNk ZWZpbmUgWElMSU5YX0RNQV9DUl9ERUxBWV9TSElGVAkyNAo+ICsjZGVmaW5lIFhJTElOWF9ETUFf Q1JfV0FJVEJPVU5EX0RGVAkyNTQKPiArCj4gICNkZWZpbmUgWElMSU5YX0RNQV9CRF9TT1AJCUJJ VCgyNykKPiAgI2RlZmluZSBYSUxJTlhfRE1BX0JEX0VPUAkJQklUKDI2KQo+ICAjZGVmaW5lIFhJ TElOWF9ETUFfQ09BTEVTQ0VfTUFYCQkyNTUKPiBAQCAtMTI5NCw2ICsxMjk4LDEyIEBAIHN0YXRp YyB2b2lkIHhpbGlueF9kbWFfc3RhcnRfdHJhbnNmZXIoc3RydWN0IHhpbGlueF9kbWFfY2hhbiAq Y2hhbikKPiAgCQlyZWcgJj0gflhJTElOWF9ETUFfQ1JfQ09BTEVTQ0VfTUFYOwo+ICAJCXJlZyB8 PSBjaGFuLT5kZXNjX3BlbmRpbmdjb3VudCA8PAo+ICAJCQkJICBYSUxJTlhfRE1BX0NSX0NPQUxF U0NFX1NISUZUOwo+ICsKPiArCQlpZiAoY2hhbi0+eGRldi0+aGFzX2F4aWV0aF9jb25uZWN0ZWQp IHsKPiArCQkJcmVnICAmPSB+WElMSU5YX0RNQV9DUl9ERUxBWV9NQVg7Cj4gKwkJCXJlZyAgfD0g WElMSU5YX0RNQV9DUl9XQUlUQk9VTkRfREZUIDw8Cj4gKwkJCQkJWElMSU5YX0RNQV9DUl9ERUxB WV9TSElGVDsKPiArCQl9Cj4gIAkJZG1hX2N0cmxfd3JpdGUoY2hhbiwgWElMSU5YX0RNQV9SRUdf RE1BQ1IsIHJlZyk7Cj4gIAl9Cj4gIAo+IEBAIC0xNTA4LDcgKzE1MTgsOCBAQCBzdGF0aWMgaXJx cmV0dXJuX3QgeGlsaW54X2RtYV9pcnFfaGFuZGxlcihpbnQgaXJxLCB2b2lkICpkYXRhKQo+ICAJ CX0KPiAgCX0KPiAgCj4gLQlpZiAoc3RhdHVzICYgWElMSU5YX0RNQV9ETUFTUl9ETFlfQ05UX0lS USkgewo+ICsJaWYgKCFjaGFuLT54ZGV2LT5oYXNfYXhpZXRoX2Nvbm5lY3RlZCAmJiAoc3RhdHVz ICYKPiArCQkJWElMSU5YX0RNQV9ETUFTUl9ETFlfQ05UX0lSUSkpIHsKPiAgCQkvKgo+ICAJCSAq IERldmljZSB0YWtlcyB0b28gbG9uZyB0byBkbyB0aGUgdHJhbnNmZXIgd2hlbiB1c2VyIHJlcXVp cmVzCj4gIAkJICogcmVzcG9uc2l2ZW5lc3MuCj4gQEAgLTE1MTYsNyArMTUyNyw4IEBAIHN0YXRp YyBpcnFyZXR1cm5fdCB4aWxpbnhfZG1hX2lycV9oYW5kbGVyKGludCBpcnEsIHZvaWQgKmRhdGEp Cj4gIAkJZGV2X2RiZyhjaGFuLT5kZXYsICJJbnRlci1wYWNrZXQgbGF0ZW5jeSB0b28gbG9uZ1xu Iik7Cj4gIAl9Cj4gIAo+IC0JaWYgKHN0YXR1cyAmIFhJTElOWF9ETUFfRE1BU1JfRlJNX0NOVF9J UlEpIHsKPiArCWlmIChzdGF0dXMgJiAoWElMSU5YX0RNQV9ETUFTUl9GUk1fQ05UX0lSUSB8Cj4g KwkJICAgICAgWElMSU5YX0RNQV9ETUFTUl9ETFlfQ05UX0lSUSkpIHsKPiAgCQlzcGluX2xvY2so JmNoYW4tPmxvY2spOwo+ICAJCXhpbGlueF9kbWFfY29tcGxldGVfZGVzY3JpcHRvcihjaGFuKTsK PiAgCQljaGFuLT5pZGxlID0gdHJ1ZTsKPiAtLSAKPiAxLjcuMQo+Cg==