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: Revert "dmaengine: pl330: add DMA_PAUSE feature" From: Frank Mori Hess Message-Id: <2484918.HKVQc3yJkt@bear> Date: Sat, 28 Apr 2018 17:50:58 -0400 To: Vinod Koul , dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Dan Williams , r.baldyga@hackerion.com List-ID: VGhpcyByZXZlcnRzIGNvbW1pdCA4ODk4N2QyYzc1MzRhMDI2OWY1NjdmYjEwMWU2ZDcxYTA4ZjBm MDFkLgoKVGhlIHBsMzMwLmMgcGF1c2UgaW1wbGVtZW50YXRpb24gdmlvbGF0ZXMgdGhlIGRtYWVu Z2luZSByZXF1aXJlbWVudApmb3Igbm8gZGF0YSBsb3NzLCBzaW5jZSBpdCByZWxpZXMgb24gdGhl IERNQUtJTEwKaW5zdHJ1Y3Rpb24uICBIb3dldmVyLCBETUFLSUxMIGRpc2NhcmRzIGluLWZsaWdo dCBkYXRhIGZyb20gdGhlCmRtYSBjb250cm9sbGVyJ3MgZmlmby4gIFRoaXMgaXMgZG9jdW1lbnRl ZCBpbiB0aGUgZG1hLTMzMCBtYW51YWwKYW5kIEkgaGF2ZSBvYnNlcnZlZCBpdCB3aXRoIGhhcmR3 YXJlIGRvaW5nIGRldmljZS10by1tZW1vcnkgYnVyc3QKdHJhbnNmZXJzLiAgVGhlIGRpc2NhcmRl ZCBkYXRhIG1heSBvciBtYXkgbm90IHNob3cgdXAgaW4gdGhlCnJlc2lkdWUgY291bnQsIGRlcGVu ZGluZyBvbiB0aW1pbmcgKHJlc3VsdGluZyBpbiBkYXRhIGNvcnJ1cHRpb24KZWZmZWN0aXZlbHkp LgoKU2lnbmVkLW9mZi1ieTogRnJhbmsgTW9yaSBIZXNzIDxmbWg2ampAZ21haWwuY29tPgotLS0K IGRyaXZlcnMvZG1hL3BsMzMwLmMgfCAyOCAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAx IGZpbGUgY2hhbmdlZCwgMjggZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEv cGwzMzAuYyBiL2RyaXZlcnMvZG1hL3BsMzMwLmMKaW5kZXggNjIzNzA2OTAwMWM0Li5mODAyYmQz YjA0ODEgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL3BsMzMwLmMKKysrIGIvZHJpdmVycy9kbWEv cGwzMzAuYwpAQCAtMjI5MCwzMyArMjI5MCw2IEBAIHN0YXRpYyBpbnQgcGwzMzBfdGVybWluYXRl X2FsbChzdHJ1Y3QgZG1hX2NoYW4gKmNoYW4pCiAJcmV0dXJuIDA7CiB9CiAKLS8qCi0gKiBXZSBk b24ndCBzdXBwb3J0IERNQV9SRVNVTUUgY29tbWFuZCBiZWNhdXNlIG9mIGhhcmR3YXJlCi0gKiBs aW1pdGF0aW9ucywgc28gYWZ0ZXIgcGF1c2luZyB0aGUgY2hhbm5lbCB3ZSBjYW5ub3QgcmVzdG9y ZQotICogaXQgdG8gYWN0aXZlIHN0YXRlLiBXZSBoYXZlIHRvIHRlcm1pbmF0ZSBjaGFubmVsIGFu ZCBzZXR1cAotICogRE1BIHRyYW5zZmVyIGFnYWluLiBUaGlzIHBhdXNlIGZlYXR1cmUgd2FzIGlt cGxlbWVudGVkIHRvCi0gKiBhbGxvdyBzYWZlbHkgcmVhZCByZXNpZHVlIGJlZm9yZSBjaGFubmVs IHRlcm1pbmF0aW9uLgotICovCi1zdGF0aWMgaW50IHBsMzMwX3BhdXNlKHN0cnVjdCBkbWFfY2hh biAqY2hhbikKLXsKLQlzdHJ1Y3QgZG1hX3BsMzMwX2NoYW4gKnBjaCA9IHRvX3BjaGFuKGNoYW4p OwotCXN0cnVjdCBwbDMzMF9kbWFjICpwbDMzMCA9IHBjaC0+ZG1hYzsKLQl1bnNpZ25lZCBsb25n IGZsYWdzOwotCi0JcG1fcnVudGltZV9nZXRfc3luYyhwbDMzMC0+ZGRtYS5kZXYpOwotCXNwaW5f bG9ja19pcnFzYXZlKCZwY2gtPmxvY2ssIGZsYWdzKTsKLQotCXNwaW5fbG9jaygmcGwzMzAtPmxv Y2spOwotCV9zdG9wKHBjaC0+dGhyZWFkKTsKLQlzcGluX3VubG9jaygmcGwzMzAtPmxvY2spOwot Ci0Jc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmcGNoLT5sb2NrLCBmbGFncyk7Ci0JcG1fcnVudGlt ZV9tYXJrX2xhc3RfYnVzeShwbDMzMC0+ZGRtYS5kZXYpOwotCXBtX3J1bnRpbWVfcHV0X2F1dG9z dXNwZW5kKHBsMzMwLT5kZG1hLmRldik7Ci0KLQlyZXR1cm4gMDsKLX0KLQogc3RhdGljIHZvaWQg cGwzMzBfZnJlZV9jaGFuX3Jlc291cmNlcyhzdHJ1Y3QgZG1hX2NoYW4gKmNoYW4pCiB7CiAJc3Ry dWN0IGRtYV9wbDMzMF9jaGFuICpwY2ggPSB0b19wY2hhbihjaGFuKTsKQEAgLTMwMjcsNyArMzAw MCw2IEBAIHBsMzMwX3Byb2JlKHN0cnVjdCBhbWJhX2RldmljZSAqYWRldiwgY29uc3Qgc3RydWN0 IGFtYmFfaWQgKmlkKQogCXBkLT5kZXZpY2VfdHhfc3RhdHVzID0gcGwzMzBfdHhfc3RhdHVzOwog CXBkLT5kZXZpY2VfcHJlcF9zbGF2ZV9zZyA9IHBsMzMwX3ByZXBfc2xhdmVfc2c7CiAJcGQtPmRl dmljZV9jb25maWcgPSBwbDMzMF9jb25maWc7Ci0JcGQtPmRldmljZV9wYXVzZSA9IHBsMzMwX3Bh dXNlOwogCXBkLT5kZXZpY2VfdGVybWluYXRlX2FsbCA9IHBsMzMwX3Rlcm1pbmF0ZV9hbGw7CiAJ cGQtPmRldmljZV9pc3N1ZV9wZW5kaW5nID0gcGwzMzBfaXNzdWVfcGVuZGluZzsKIAlwZC0+c3Jj X2FkZHJfd2lkdGhzID0gUEwzMzBfRE1BX0JVU1dJRFRIUzsK