From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.wjw-solutions.com ([193.194.104.162]:63529 "EHLO mail.wjw-solutions.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933076AbdCJODT (ORCPT ); Fri, 10 Mar 2017 09:03:19 -0500 From: Michael Engl To: "jic23@kernel.org" CC: Michael Engl , "knaack.h@gmx.de" , "lars@metafoo.de" , "pmeerw@pmeerw.net" , "linux-iio@vger.kernel.org" Subject: [PATCH] iio: adc: ti_am335x_adc: fix fifo overrun recovery Date: Fri, 10 Mar 2017 13:57:16 +0000 Message-ID: <1489154347.20665.9.camel@wjw-solutions.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org VGhlIHRpYWRjX2lycV9oKGludCBpcnEsIHZvaWQgKnByaXZhdGUpIGZ1bmN0aW9uIGlzIGhhbmRs aW5nIEZJRk8NCm92ZXJydW5zIGJ5IGNsZWFyaW5nIGZsYWdzLCBkaXNhYmxpbmcgYW5kIGVuYWJs aW5nIHRoZSBBREMgdG8NCnJlY292ZXIuDQoNCklmIHRoZSBBREMgaXMgcnVubmluZyBpbiBjb250 aW51b3VzIG1vZGUgYSBGSUZPIG92ZXJydW4gaGFwcGVucw0KcmVndWxhcmx5LiBJZiB0aGUgZGlz YWJsaW5nIG9mIHRoZSBBREMgaGFwcGVucyBjb25jdXJyZW50bHkgd2l0aA0KYSBuZXcgY29udmVy c2lvbi4gSXQgbWlnaHQgaGFwcGVuIHRoYXQgdGhlIGVuYWJsaW5nIG9mIHRoZSBBREMNCmlzIGln bm9yZWQgYnkgdGhlIGhhcmR3YXJlLiBUaGlzIHN0b3BzIHRoZSBBREMgcGVybWFuZW50bHkuIE5v DQptb3JlIGludGVycnVwdHMgYXJlIHRyaWdnZXJlZC4NCg0KQWNjb3JkaW5nIHRvIHRoZSBBTTMz NXggUmVmZXJlbmNlIE1hbnVhbCAoU1BSVUg3M0ggT2N0b2JlciAyMDExIC0NClJldmlzZWQgQXBy aWwgMjAxMyAtIENoYXB0ZXIgMTIuNCBhbmQgMTIuNSkgaXQgaXMgbmVjZXNzYXJ5IHRvDQpjaGVj ayB0aGUgQURDIEZTTSBiaXRzIGluIFJFR19BRENGU00gYmVmb3JlIGVuYWJsaW5nIHRoZSBBREMN CmFnYWluLiBCZWNhdXNlIHRoZSBkaXNhYmxpbmcgb2YgdGhlIEFEQyBpcyBkb25lIHJpZ2h0IGFm dGVyIHRoZQ0KY3VycmVudCBjb252ZXJzaW9uIGhhcyBiZWVuIGZpbmlzaGVkLg0KDQpUbyB0cmln Z2VyIHRoaXMgYnVnIGl0IGlzIG5lY2Vzc2FyeSB0byBydW4gdGhlIEFEQyBpbiBjb250aW51b3Vz DQptb2RlLiBUaGUgQURDIHZhbHVlcyBvZiBhbGwgY2hhbm5lbHMgbmVlZCB0byBiZSByZWFkIGlu IGFuIGVuZGxlc3MNCmxvb3AuIFRoZSBidWcgYXBwZWFycyB3aXRoaW4gdGhlIGZpcnN0IDYgaG91 cnMgKH41LjQgbWlsbGlvbg0KaGFuZGxlZCBGSUZPIG92ZXJydW5zKS4gVGhlIHVzZXIgc3BhY2Ug YXBwbGljYXRpb24gd2lsbCBoYW5nIG9uDQpyZWFkaW5nIG5ldyB2YWx1ZXMgZnJvbSB0aGUgY2hh cmFjdGVyIGRldmljZS4NCg0KU2lnbmVkLW9mZi1ieTogTWljaGFlbCBFbmdsIDxtaWNoYWVsLmVu Z2xAd2p3LXNvbHV0aW9ucy5jb20+DQotLS0NCsKgZHJpdmVycy9paW8vYWRjL3RpX2FtMzM1eF9h ZGMuYyB8IDEzICsrKysrKysrKysrKy0NCsKgMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMo KyksIDEgZGVsZXRpb24oLSkNCg0KZGlmZiAtLWdpdCBhL2RyaXZlcnMvaWlvL2FkYy90aV9hbTMz NXhfYWRjLmMgYi9kcml2ZXJzL2lpby9hZGMvdGlfYW0zMzV4X2FkYy5jDQppbmRleCBhZDlkZWMz Li40MjgyY2VjIDEwMDY0NA0KLS0tIGEvZHJpdmVycy9paW8vYWRjL3RpX2FtMzM1eF9hZGMuYw0K KysrIGIvZHJpdmVycy9paW8vYWRjL3RpX2FtMzM1eF9hZGMuYw0KQEAgLTE2OSw3ICsxNjksOSBA QCBzdGF0aWMgaXJxcmV0dXJuX3QgdGlhZGNfaXJxX2goaW50IGlycSwgdm9pZCAqcHJpdmF0ZSkN CsKgew0KwqAJc3RydWN0IGlpb19kZXYgKmluZGlvX2RldiA9IHByaXZhdGU7DQrCoAlzdHJ1Y3Qg dGlhZGNfZGV2aWNlICphZGNfZGV2ID0gaWlvX3ByaXYoaW5kaW9fZGV2KTsNCi0JdW5zaWduZWQg aW50IHN0YXR1cywgY29uZmlnOw0KKwl1bnNpZ25lZCBpbnQgc3RhdHVzLCBjb25maWcsIGFkY19m c207DQorCXVuc2lnbmVkIHNob3J0IGNvdW50ID0gMDsNCisNCsKgCXN0YXR1cyA9IHRpYWRjX3Jl YWRsKGFkY19kZXYsIFJFR19JUlFTVEFUVVMpOw0KwqANCsKgCS8qDQpAQCAtMTgzLDYgKzE4NSwx NSBAQCBzdGF0aWMgaXJxcmV0dXJuX3QgdGlhZGNfaXJxX2goaW50IGlycSwgdm9pZCAqcHJpdmF0 ZSkNCsKgCQl0aWFkY193cml0ZWwoYWRjX2RldiwgUkVHX0NUUkwsIGNvbmZpZyk7DQrCoAkJdGlh ZGNfd3JpdGVsKGFkY19kZXYsIFJFR19JUlFTVEFUVVMsIElSUUVOQl9GSUZPMU9WUlJVTg0KwqAJ CQkJfCBJUlFFTkJfRklGTzFVTkRSRkxXIHwgSVJRRU5CX0ZJRk8xVEhSRVMpOw0KKw0KKwkJLyog d2FpdCBmb3IgaWRsZSBzdGF0ZS4NCisJCcKgKiBBREMgbmVlZHMgdG8gZmluaXNoIHRoZSBjdXJy ZW50IGNvbnZlcnNpb24NCisJCcKgKiBiZWZvcmUgZGlzYWJsaW5nIHRoZSBtb2R1bGUNCisJCcKg Ki8NCisJCWRvIHsNCisJCQlhZGNfZnNtID0gdGlhZGNfcmVhZGwoYWRjX2RldiwgUkVHX0FEQ0ZT TSk7DQorCQl9IHdoaWxlIChhZGNfZnNtICE9IDB4MTAgJiYgY291bnQrKyA8IDEwMCk7DQorDQrC oAkJdGlhZGNfd3JpdGVsKGFkY19kZXYsIFJFR19DVFJMLCAoY29uZmlnIHwgQ05UUkxSRUdfVFND U1NFTkIpKTsNCsKgCQlyZXR1cm4gSVJRX0hBTkRMRUQ7DQrCoAl9IGVsc2UgaWYgKHN0YXR1cyAm IElSUUVOQl9GSUZPMVRIUkVTKSB7DQotLcKgDQoyLjcuNA0K