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: [v3,15/18] dmaengine: dma-jz4780: Use dma_set_residue() From: Paul Cercueil Message-Id: <20180721110643.19624-16-paul@crapouillou.net> Date: Sat, 21 Jul 2018 13:06:40 +0200 To: Vinod Koul , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , Zubair Lutfullah Kakakhel Cc: Mathieu Malaterre , Daniel Silsby , Paul Cercueil , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org List-ID: RnJvbTogRGFuaWVsIFNpbHNieSA8ZGFuc2lsc2J5QGdtYWlsLmNvbT4KClRoaXMgaXMgdGhlIHN0 YW5kYXJkIG1ldGhvZCBwcm92aWRlZCBieSBkbWFlbmdpbmUgaGVhZGVyLgoKU2lnbmVkLW9mZi1i eTogRGFuaWVsIFNpbHNieSA8ZGFuc2lsc2J5QGdtYWlsLmNvbT4KVGVzdGVkLWJ5OiBNYXRoaWV1 IE1hbGF0ZXJyZSA8bWFsYXRAZGViaWFuLm9yZz4KLS0tCiBkcml2ZXJzL2RtYS9kbWEtano0Nzgw LmMgfCA5ICsrKysrLS0tLQogMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgNCBkZWxl dGlvbnMoLSkKCiB2MjogTm8gY2hhbmdlCgogdjM6IE5vIGNoYW5nZQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZG1hL2RtYS1qejQ3ODAuYyBiL2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYwppbmRleCBi OWRiNTM5YTViMzQuLmVhMTc4ODYwMzFmYSAxMDA2NDQKLS0tIGEvZHJpdmVycy9kbWEvZG1hLWp6 NDc4MC5jCisrKyBiL2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYwpAQCAtNjM3LDYgKzYzNyw3IEBA IHN0YXRpYyBlbnVtIGRtYV9zdGF0dXMgano0NzgwX2RtYV90eF9zdGF0dXMoc3RydWN0IGRtYV9j aGFuICpjaGFuLAogCXN0cnVjdCB2aXJ0X2RtYV9kZXNjICp2ZGVzYzsKIAllbnVtIGRtYV9zdGF0 dXMgc3RhdHVzOwogCXVuc2lnbmVkIGxvbmcgZmxhZ3M7CisJdW5zaWduZWQgbG9uZyByZXNpZHVl ID0gMDsKIAogCXN0YXR1cyA9IGRtYV9jb29raWVfc3RhdHVzKGNoYW4sIGNvb2tpZSwgdHhzdGF0 ZSk7CiAJaWYgKChzdGF0dXMgPT0gRE1BX0NPTVBMRVRFKSB8fCAodHhzdGF0ZSA9PSBOVUxMKSkK QEAgLTY0NywxMyArNjQ4LDEzIEBAIHN0YXRpYyBlbnVtIGRtYV9zdGF0dXMgano0NzgwX2RtYV90 eF9zdGF0dXMoc3RydWN0IGRtYV9jaGFuICpjaGFuLAogCXZkZXNjID0gdmNoYW5fZmluZF9kZXNj KCZqemNoYW4tPnZjaGFuLCBjb29raWUpOwogCWlmICh2ZGVzYykgewogCQkvKiBPbiB0aGUgaXNz dWVkIGxpc3QsIHNvIGhhc24ndCBiZWVuIHByb2Nlc3NlZCB5ZXQgKi8KLQkJdHhzdGF0ZS0+cmVz aWR1ZSA9IGp6NDc4MF9kbWFfZGVzY19yZXNpZHVlKGp6Y2hhbiwKKwkJcmVzaWR1ZSA9IGp6NDc4 MF9kbWFfZGVzY19yZXNpZHVlKGp6Y2hhbiwKIAkJCQkJdG9fano0NzgwX2RtYV9kZXNjKHZkZXNj KSwgMCk7CiAJfSBlbHNlIGlmIChjb29raWUgPT0ganpjaGFuLT5kZXNjLT52ZGVzYy50eC5jb29r aWUpIHsKLQkJdHhzdGF0ZS0+cmVzaWR1ZSA9IGp6NDc4MF9kbWFfZGVzY19yZXNpZHVlKGp6Y2hh biwganpjaGFuLT5kZXNjLAorCQlyZXNpZHVlID0gano0NzgwX2RtYV9kZXNjX3Jlc2lkdWUoanpj aGFuLCBqemNoYW4tPmRlc2MsCiAJCQkJCWp6Y2hhbi0+Y3Vycl9od2Rlc2MgKyAxKTsKLQl9IGVs c2UKLQkJdHhzdGF0ZS0+cmVzaWR1ZSA9IDA7CisJfQorCWRtYV9zZXRfcmVzaWR1ZSh0eHN0YXRl LCByZXNpZHVlKTsKIAogCWlmICh2ZGVzYyAmJiBqemNoYW4tPmRlc2MgJiYgdmRlc2MgPT0gJmp6 Y2hhbi0+ZGVzYy0+dmRlc2MKIAkgICAgJiYganpjaGFuLT5kZXNjLT5zdGF0dXMgJiAoSlpfRE1B X0RDU19BUiB8IEpaX0RNQV9EQ1NfSExUKSkK