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: [v4,05/18] dmaengine: dma-jz4780: Use 4-word descriptors From: Paul Cercueil Message-Id: <20180807114218.20091-6-paul@crapouillou.net> Date: Tue, 7 Aug 2018 13:42:05 +0200 To: Vinod Koul , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , Zubair Lutfullah Kakakhel Cc: Paul Cercueil , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org List-ID: VGhlIG9ubHkgaW5mb3JtYXRpb24gd2UgdXNlIGluIHRoZSA4LXdvcmQgdmVyc2lvbiBvZiB0aGUg aGFyZHdhcmUgRE1BCmRlc2NyaXB0b3IgdGhhdCBpcyBub3QgcHJlc2VudCBpbiB0aGUgNC13b3Jk IHZlcnNpb24gaXMgdGhlIHRyYW5zZmVyCnR5cGUsIGFrYS4gdGhlIElEIG9mIHRoZSBzb3VyY2Ug b3IgcmVjaXBpZW50IGRldmljZS4KClNpbmNlIHRoZSB0cmFuc2ZlciB0eXBlIHdpbGwgbmV2ZXIg Y2hhbmdlIGZvciBhIERNQSBjaGFubmVsIGluIHVzZSwKd2UgY2FuIGp1c3Qgc2V0IGl0IG9uY2Ug Zm9yIGFsbCBpbiB0aGUgY29ycmVzcG9uZGluZyBETUEgcmVnaXN0ZXIKYmVmb3JlIHN0YXJ0aW5n IGFueSB0cmFuc2Zlci4KClRoaXMgaGFzIHNldmVyYWwgYmVuZWZpdHM6CgoqIHRoZSBkcml2ZXIg d2lsbCBoYW5kbGUgdHdpY2UgYXMgbWFueSBoYXJkd2FyZSBETUEgZGVzY3JpcHRvcnM7CgoqIHRo ZSBkcml2ZXIgaXMgY2xvc2VyIHRvIHN1cHBvcnQgdGhlIEpaNDc0MCwgd2hpY2ggb25seSBzdXBw b3J0cyA0LXdvcmQKICBoYXJkd2FyZSBETUEgZGVzY3JpcHRvcnM7CgoqIHRoZSBKWjQ3NzAgU29D IG5lZWRzIHRoZSB0cmFuc2ZlciB0eXBlIHRvIGJlIHNldCBpbiB0aGUgY29ycmVzcG9uZGluZwog IERNQSByZWdpc3RlciBhbnl3YXksIGV2ZW4gaWYgOC13b3JkIGRlc2NyaXB0b3JzIGFyZSBpbiB1 c2UuCgpTaWduZWQtb2ZmLWJ5OiBQYXVsIENlcmN1ZWlsIDxwYXVsQGNyYXBvdWlsbG91Lm5ldD4K VGVzdGVkLWJ5OiBNYXRoaWV1IE1hbGF0ZXJyZSA8bWFsYXRAZGViaWFuLm9yZz4KUmV2aWV3ZWQt Ynk6IFByYXNhbm5hS3VtYXIgTXVyYWxpZGhhcmFuIDxwcmFzYW5uYXRzbWt1bWFyQGdtYWlsLmNv bT4KLS0tCiBkcml2ZXJzL2RtYS9kbWEtano0NzgwLmMgfCAyMSArKysrKysrKystLS0tLS0tLS0t LS0KIDEgZmlsZSBjaGFuZ2VkLCA5IGluc2VydGlvbnMoKyksIDEyIGRlbGV0aW9ucygtKQoKIHYy OiBObyBjaGFuZ2UKCiB2MzogTm8gY2hhbmdlCgogdjQ6IE5vIGNoYW5nZQoKZGlmZiAtLWdpdCBh L2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYyBiL2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYwppbmRl eCBhZGY0ZDVlZmNlZDYuLjc2ODNkZTlmYjllZSAxMDA2NDQKLS0tIGEvZHJpdmVycy9kbWEvZG1h LWp6NDc4MC5jCisrKyBiL2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYwpAQCAtOTUsMTcgKzk1LDEy IEBACiAgKiBAZHRjOiB0cmFuc2ZlciBjb3VudCAobnVtYmVyIG9mIGJsb2NrcyBvZiB0aGUgdHJh bnNmZXIgc2l6ZSBzcGVjaWZpZWQgaW4gRENNCiAgKiB0byB0cmFuc2ZlcikgaW4gdGhlIGxvdyAy NCBiaXRzLCBvZmZzZXQgb2YgdGhlIG5leHQgZGVzY3JpcHRvciBmcm9tIHRoZQogICogZGVzY3Jp cHRvciBiYXNlIGFkZHJlc3MgaW4gdGhlIHVwcGVyIDggYml0cy4KLSAqIEBzZDogdGFyZ2V0L3Nv dXJjZSBzdHJpZGUgZGlmZmVyZW5jZSAoaW4gc3RyaWRlIHRyYW5zZmVyIG1vZGUpLgotICogQGRy dDogcmVxdWVzdCB0eXBlCiAgKi8KIHN0cnVjdCBqejQ3ODBfZG1hX2h3ZGVzYyB7CiAJdWludDMy X3QgZGNtOwogCXVpbnQzMl90IGRzYTsKIAl1aW50MzJfdCBkdGE7CiAJdWludDMyX3QgZHRjOwot CXVpbnQzMl90IHNkOwotCXVpbnQzMl90IGRydDsKLQl1aW50MzJfdCByZXNlcnZlZFsyXTsKIH07 CiAKIC8qIFNpemUgb2YgYWxsb2NhdGlvbnMgZm9yIGhhcmR3YXJlIGRlc2NyaXB0b3IgYmxvY2tz LiAqLwpAQCAtMjgxLDcgKzI3Niw2IEBAIHN0YXRpYyBpbnQgano0NzgwX2RtYV9zZXR1cF9od2Rl c2Moc3RydWN0IGp6NDc4MF9kbWFfY2hhbiAqanpjaGFuLAogCQlkZXNjLT5kY20gPSBKWl9ETUFf RENNX1NBSTsKIAkJZGVzYy0+ZHNhID0gYWRkcjsKIAkJZGVzYy0+ZHRhID0gY29uZmlnLT5kc3Rf YWRkcjsKLQkJZGVzYy0+ZHJ0ID0ganpjaGFuLT50cmFuc2Zlcl90eXBlOwogCiAJCXdpZHRoID0g Y29uZmlnLT5kc3RfYWRkcl93aWR0aDsKIAkJbWF4YnVyc3QgPSBjb25maWctPmRzdF9tYXhidXJz dDsKQEAgLTI4OSw3ICsyODMsNiBAQCBzdGF0aWMgaW50IGp6NDc4MF9kbWFfc2V0dXBfaHdkZXNj KHN0cnVjdCBqejQ3ODBfZG1hX2NoYW4gKmp6Y2hhbiwKIAkJZGVzYy0+ZGNtID0gSlpfRE1BX0RD TV9EQUk7CiAJCWRlc2MtPmRzYSA9IGNvbmZpZy0+c3JjX2FkZHI7CiAJCWRlc2MtPmR0YSA9IGFk ZHI7Ci0JCWRlc2MtPmRydCA9IGp6Y2hhbi0+dHJhbnNmZXJfdHlwZTsKIAogCQl3aWR0aCA9IGNv bmZpZy0+c3JjX2FkZHJfd2lkdGg7CiAJCW1heGJ1cnN0ID0gY29uZmlnLT5zcmNfbWF4YnVyc3Q7 CkBAIC00MzQsOSArNDI3LDEwIEBAIHN0YXRpYyBzdHJ1Y3QgZG1hX2FzeW5jX3R4X2Rlc2NyaXB0 b3IgKmp6NDc4MF9kbWFfcHJlcF9kbWFfbWVtY3B5KAogCXRzeiA9IGp6NDc4MF9kbWFfdHJhbnNm ZXJfc2l6ZShkZXN0IHwgc3JjIHwgbGVuLAogCQkJCSAgICAgICAmanpjaGFuLT50cmFuc2Zlcl9z aGlmdCk7CiAKKwlqemNoYW4tPnRyYW5zZmVyX3R5cGUgPSBKWl9ETUFfRFJUX0FVVE87CisKIAlk ZXNjLT5kZXNjWzBdLmRzYSA9IHNyYzsKIAlkZXNjLT5kZXNjWzBdLmR0YSA9IGRlc3Q7Ci0JZGVz Yy0+ZGVzY1swXS5kcnQgPSBKWl9ETUFfRFJUX0FVVE87CiAJZGVzYy0+ZGVzY1swXS5kY20gPSBK Wl9ETUFfRENNX1RJRSB8IEpaX0RNQV9EQ01fU0FJIHwgSlpfRE1BX0RDTV9EQUkgfAogCQkJICAg IHRzeiA8PCBKWl9ETUFfRENNX1RTWl9TSElGVCB8CiAJCQkgICAgSlpfRE1BX1dJRFRIXzMyX0JJ VCA8PCBKWl9ETUFfRENNX1NQX1NISUZUIHwKQEAgLTQ5MSw5ICs0ODUsMTIgQEAgc3RhdGljIHZv aWQgano0NzgwX2RtYV9iZWdpbihzdHJ1Y3Qgano0NzgwX2RtYV9jaGFuICpqemNoYW4pCiAJCQko anpjaGFuLT5jdXJyX2h3ZGVzYyArIDEpICUganpjaGFuLT5kZXNjLT5jb3VudDsKIAl9CiAKLQkv KiBVc2UgOC13b3JkIGRlc2NyaXB0b3JzLiAqLwotCWp6NDc4MF9kbWFfY2huX3dyaXRlbChqemRt YSwganpjaGFuLT5pZCwKLQkJCSAgICAgIEpaX0RNQV9SRUdfRENTLCBKWl9ETUFfRENTX0RFUzgp OworCS8qIFVzZSA0LXdvcmQgZGVzY3JpcHRvcnMuICovCisJano0NzgwX2RtYV9jaG5fd3JpdGVs KGp6ZG1hLCBqemNoYW4tPmlkLCBKWl9ETUFfUkVHX0RDUywgMCk7CisKKwkvKiBTZXQgdHJhbnNm ZXIgdHlwZS4gKi8KKwlqejQ3ODBfZG1hX2Nobl93cml0ZWwoanpkbWEsIGp6Y2hhbi0+aWQsIEpa X0RNQV9SRUdfRFJULAorCQkJICAgICAganpjaGFuLT50cmFuc2Zlcl90eXBlKTsKIAogCS8qIFdy aXRlIGRlc2NyaXB0b3IgYWRkcmVzcyBhbmQgaW5pdGlhdGUgZGVzY3JpcHRvciBmZXRjaC4gKi8K IAlkZXNjX3BoeXMgPSBqemNoYW4tPmRlc2MtPmRlc2NfcGh5cyArCkBAIC01MDMsNyArNTAwLDcg QEAgc3RhdGljIHZvaWQgano0NzgwX2RtYV9iZWdpbihzdHJ1Y3Qgano0NzgwX2RtYV9jaGFuICpq emNoYW4pCiAKIAkvKiBFbmFibGUgdGhlIGNoYW5uZWwuICovCiAJano0NzgwX2RtYV9jaG5fd3Jp dGVsKGp6ZG1hLCBqemNoYW4tPmlkLCBKWl9ETUFfUkVHX0RDUywKLQkJCSAgICAgIEpaX0RNQV9E Q1NfREVTOCB8IEpaX0RNQV9EQ1NfQ1RFKTsKKwkJCSAgICAgIEpaX0RNQV9EQ1NfQ1RFKTsKIH0K IAogc3RhdGljIHZvaWQgano0NzgwX2RtYV9pc3N1ZV9wZW5kaW5nKHN0cnVjdCBkbWFfY2hhbiAq Y2hhbikK