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: [v3,3/3] dmaengine: at_xdmac: only monitor overflow errors for peripheral xfer From: Nicolas Ferre Message-Id: <20190403102359.27698-3-nicolas.ferre@microchip.com> Date: Wed, 3 Apr 2019 12:23:59 +0200 To: dmaengine@vger.kernel.org, Vinod Koul Cc: Ludovic Desroches , linux-arm-kernel@lists.infradead.org, Alexandre Belloni , linux-kernel@vger.kernel.org, Nicolas Ferre List-ID: VGhlIG92ZXJmbG93IGVycm9yIGZsYWcgKFJPSTogUmVxdWVzdCBPdmVyZmxvdyBFcnJvcikgaXMg b25seSByZWxldmFudApmb3IgdGhlIGNhc2Ugd2hlbiB0aGUgY2hhbm5lbCBoYW5kbGVzIGEgcGVy aXBoZXJhbCBzeW5jaHJvbml6ZWQgdHJhbnNmZXIuCk5vdCBpbiB0aGUgY2FzZSBvZiBtZW1vcnkg dG8gbWVtb3J5IHRyYW5zZmVyIHdoZXJlIHRoZXJlIGlzIG5vIGhhcmR3YXJlCnJlcXVlc3Qgc2ln bmFsLgoKUmVtb3ZlIHRoZSB1c2Ugb2YgdGhpcyBpbnRlcnJ1cHQgc291cmNlIGluIHN1Y2ggYSBj YXNlLiBJdCdzIGJhc2VkIG9uCnRoZSBmaXJzdCBkZXNjcmlwdG9yIHdoaWNoIGhvbGRzIHRoZSBj b25maWd1cmF0aW9uIGZvciB0aGUgd2hvbGUKbGlua2VkIGxpc3QgdHJhbnNmZXIuCgpTaWduZWQt b2ZmLWJ5OiBOaWNvbGFzIEZlcnJlIDxuaWNvbGFzLmZlcnJlQG1pY3JvY2hpcC5jb20+CkFja2Vk LWJ5OiBMdWRvdmljIERlc3JvY2hlcyA8bHVkb3ZpYy5kZXNyb2NoZXNAbWljcm9jaGlwLmNvbT4K LS0tCnYzOiBubyBjaGFuZ2UKdjI6IGFkZGVkIEx1ZG92aWMncyB0YWcKCiBkcml2ZXJzL2RtYS9h dF94ZG1hYy5jIHwgMTMgKysrKysrKysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlv bnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9hdF94ZG1hYy5j IGIvZHJpdmVycy9kbWEvYXRfeGRtYWMuYwppbmRleCAxZGQ3ZWRhZWZiZGMuLjA2Y2JlNTRlNGMz MCAxMDA2NDQKLS0tIGEvZHJpdmVycy9kbWEvYXRfeGRtYWMuYworKysgYi9kcml2ZXJzL2RtYS9h dF94ZG1hYy5jCkBAIC0zMDgsNiArMzA4LDExIEBAIHN0YXRpYyBpbmxpbmUgaW50IGF0X3hkbWFj X2NzaXplKHUzMiBtYXhidXJzdCkKIAlyZXR1cm4gY3NpemU7CiB9OwogCitzdGF0aWMgaW5saW5l IGJvb2wgYXRfeGRtYWNfY2hhbl9pc19wZXJpcGhlcmFsX3hmZXIodTMyIGNmZykKK3sKKwlyZXR1 cm4gY2ZnICYgQVRfWERNQUNfQ0NfVFlQRV9QRVJfVFJBTjsKK30KKwogc3RhdGljIGlubGluZSB1 OCBhdF94ZG1hY19nZXRfZHdpZHRoKHUzMiBjZmcpCiB7CiAJcmV0dXJuIChjZmcgJiBBVF9YRE1B Q19DQ19EV0lEVEhfTUFTSykgPj4gQVRfWERNQUNfQ0NfRFdJRFRIX09GRlNFVDsKQEAgLTM4OSw3 ICszOTQsMTMgQEAgc3RhdGljIHZvaWQgYXRfeGRtYWNfc3RhcnRfeGZlcihzdHJ1Y3QgYXRfeGRt YWNfY2hhbiAqYXRjaGFuLAogCQkgYXRfeGRtYWNfY2hhbl9yZWFkKGF0Y2hhbiwgQVRfWERNQUNf Q1VCQykpOwogCiAJYXRfeGRtYWNfY2hhbl93cml0ZShhdGNoYW4sIEFUX1hETUFDX0NJRCwgMHhm ZmZmZmZmZik7Ci0JcmVnID0gQVRfWERNQUNfQ0lFX1JCRUlFIHwgQVRfWERNQUNfQ0lFX1dCRUlF IHwgQVRfWERNQUNfQ0lFX1JPSUU7CisJcmVnID0gQVRfWERNQUNfQ0lFX1JCRUlFIHwgQVRfWERN QUNfQ0lFX1dCRUlFOworCS8qCisJICogUmVxdWVzdCBPdmVyZmxvdyBFcnJvciBpcyBvbmx5IGZv ciBwZXJpcGhlcmFsIHN5bmNocm9uaXplZCB0cmFuc2ZlcnMKKwkgKi8KKwlpZiAoYXRfeGRtYWNf Y2hhbl9pc19wZXJpcGhlcmFsX3hmZXIoZmlyc3QtPmxsZC5tYnJfY2ZnKSkKKwkJcmVnIHw9IEFU X1hETUFDX0NJRV9ST0lFOworCiAJLyoKIAkgKiBUaGVyZSBpcyBubyBlbmQgb2YgbGlzdCB3aGVu IGRvaW5nIGN5Y2xpYyBkbWEsIHdlIG5lZWQgdG8gZ2V0CiAJICogYW4gaW50ZXJydXB0IGFmdGVy IGVhY2ggcGVyaW9kcy4K