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: [for-stable] dmaengine: stm32-dma: fix incomplete configuration in cyclic mode From: Joel Fernandes Message-Id: <20181017000003.GC140578@joelaf.mtv.corp.google.com> Date: Tue, 16 Oct 2018 17:00:03 -0700 To: stable@vger.kernel.org Cc: Pierre Yves MORDRET , Hugues Fruchet , Vinod Koul , gregkh@linuxfoundation.org, Alexandre Torgue , Dan Williams , dmaengine@vger.kernel.org, "Joel Fernandes (Google)" , "moderated list:ARM/STM32 ARCHITECTURE" , linux-kernel@vger.kernel.org, Maxime Coquelin List-ID: RnJvbTogUGllcnJlIFl2ZXMgTU9SRFJFVCA8cGllcnJlLXl2ZXMubW9yZHJldEBzdC5jb20+Cgpj b21taXQgZTU3Y2IzYjNmMTBkMDA1NDEwZjA5ZDQ1OThjYzZkNjJiODMzZjJiMCB1cHN0cmVhbS4K CldoZW4gaW4gY3ljbGljIG1vZGUsIHRoZSBjb25maWd1cmF0aW9uIGlzIHVwZGF0ZWQgYWZ0ZXIg aGF2aW5nIHN0YXJ0ZWQgdGhlCkRNQSBoYXJkd2FyZSAoU1RNMzJfRE1BX1NDUl9FTikgbGVhZGlu ZyB0byBpbmNvbXBsZXRlIGNvbmZpZ3VyYXRpb24gb2YKU014QVIgcmVnaXN0ZXJzLgoKU2lnbmVk LW9mZi1ieTogUGllcnJlLVl2ZXMgTU9SRFJFVCA8cGllcnJlLXl2ZXMubW9yZHJldEBzdC5jb20+ ClNpZ25lZC1vZmYtYnk6IEh1Z3VlcyBGcnVjaGV0IDxodWd1ZXMuZnJ1Y2hldEBzdC5jb20+ClNp Z25lZC1vZmYtYnk6IFZpbm9kIEtvdWwgPHZpbm9kLmtvdWxAaW50ZWwuY29tPgotLS0KIGRyaXZl cnMvZG1hL3N0bTMyLWRtYS5jIHwgOCArKysrKystLQogMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0 aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9zdG0zMi1k bWEuYyBiL2RyaXZlcnMvZG1hL3N0bTMyLWRtYS5jCmluZGV4IDQwOTk5NDhiNjkxNC4uZmFlN2Rl NTRmMDBhIDEwMDY0NAotLS0gYS9kcml2ZXJzL2RtYS9zdG0zMi1kbWEuYworKysgYi9kcml2ZXJz L2RtYS9zdG0zMi1kbWEuYwpAQCAtNDQxLDYgKzQ0MSw4IEBAIHN0YXRpYyB2b2lkIHN0bTMyX2Rt YV9kdW1wX3JlZyhzdHJ1Y3Qgc3RtMzJfZG1hX2NoYW4gKmNoYW4pCiAJZGV2X2RiZyhjaGFuMmRl dihjaGFuKSwgIlNGQ1I6ICAweCUwOHhcbiIsIHNmY3IpOwogfQogCitzdGF0aWMgdm9pZCBzdG0z Ml9kbWFfY29uZmlndXJlX25leHRfc2coc3RydWN0IHN0bTMyX2RtYV9jaGFuICpjaGFuKTsKKwog c3RhdGljIHZvaWQgc3RtMzJfZG1hX3N0YXJ0X3RyYW5zZmVyKHN0cnVjdCBzdG0zMl9kbWFfY2hh biAqY2hhbikKIHsKIAlzdHJ1Y3Qgc3RtMzJfZG1hX2RldmljZSAqZG1hZGV2ID0gc3RtMzJfZG1h X2dldF9kZXYoY2hhbik7CkBAIC00ODMsNiArNDg1LDkgQEAgc3RhdGljIHZvaWQgc3RtMzJfZG1h X3N0YXJ0X3RyYW5zZmVyKHN0cnVjdCBzdG0zMl9kbWFfY2hhbiAqY2hhbikKIAlpZiAoc3RhdHVz KQogCQlzdG0zMl9kbWFfaXJxX2NsZWFyKGNoYW4sIHN0YXR1cyk7CiAKKwlpZiAoY2hhbi0+ZGVz Yy0+Y3ljbGljKQorCQlzdG0zMl9kbWFfY29uZmlndXJlX25leHRfc2coY2hhbik7CisKIAlzdG0z Ml9kbWFfZHVtcF9yZWcoY2hhbik7CiAKIAkvKiBTdGFydCBETUEgKi8KQEAgLTU3Niw4ICs1ODEs NyBAQCBzdGF0aWMgdm9pZCBzdG0zMl9kbWFfaXNzdWVfcGVuZGluZyhzdHJ1Y3QgZG1hX2NoYW4g KmMpCiAJaWYgKHZjaGFuX2lzc3VlX3BlbmRpbmcoJmNoYW4tPnZjaGFuKSAmJiAhY2hhbi0+ZGVz YyAmJiAhY2hhbi0+YnVzeSkgewogCQlkZXZfZGJnKGNoYW4yZGV2KGNoYW4pLCAidmNoYW4gJXA6 IGlzc3VlZFxuIiwgJmNoYW4tPnZjaGFuKTsKIAkJc3RtMzJfZG1hX3N0YXJ0X3RyYW5zZmVyKGNo YW4pOwotCQlpZiAoY2hhbi0+ZGVzYy0+Y3ljbGljKQotCQkJc3RtMzJfZG1hX2NvbmZpZ3VyZV9u ZXh0X3NnKGNoYW4pOworCiAJfQogCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmNoYW4tPnZjaGFu LmxvY2ssIGZsYWdzKTsKIH0K