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: [5/8,v5] dma: k3dma: Add support for dma-channel-mask From: John Stultz Message-Id: <1548361463-28372-6-git-send-email-john.stultz@linaro.org> Date: Thu, 24 Jan 2019 12:24:20 -0800 To: lkml Cc: Li Yu , Dan Williams , Vinod Koul , Tanglei Han , Zhuangluan Su , Ryan Grachek , Manivannan Sadhasivam , Guodong Xu , dmaengine@vger.kernel.org, John Stultz List-ID: RnJvbTogTGkgWXUgPGxpeXU2NUBoaXNpbGljb24uY29tPgoKQWRkIGRtYS1jaGFubmVsLW1hc2sg YXMgYSBwcm9wZXJ0eSBmb3IgazNkbWEsIGl0IGRlZmluZXMKYXZhaWxhYmxlIGRtYSBjaGFubmVs cyB3aGljaCBhIG5vbi1zZWN1cmUgbW9kZSBkcml2ZXIgY2FuIHVzZS4KCk9uZSBzYW1wbGUgdXNh Z2Ugb2YgdGhpcyBpcyBpbiBIaTM2NjAgU29DLiBETUEgY2hhbm5lbCAwIGlzCnJlc2VydmVkIHRv IGxwbTMsIHdoaWNoIGlzIGEgY29wcm9jZXNzb3IgZm9yIHBvd2VyIG1hbmFnZW1lbnQuIFNvCmFz IGEgcmVzdWx0LCBhbnkgcmVxdWVzdCBpbiBrZXJuZWwgKHdoaWNoIHJ1bnMgb24gbWFpbiBwcm9j ZXNzb3IKYW5kIGluIG5vbi1zZWN1cmUgbW9kZSkgc2hvdWxkIHN0YXJ0IGZyb20gYXQgbGVhc3Qg Y2hhbm5lbCAxLgoKQ2M6IERhbiBXaWxsaWFtcyA8ZGFuLmoud2lsbGlhbXNAaW50ZWwuY29tPgpD YzogVmlub2QgS291bCA8dmtvdWxAa2VybmVsLm9yZz4KQ2M6IFRhbmdsZWkgSGFuIDxoYW50YW5n bGVpQGh1YXdlaS5jb20+CkNjOiBaaHVhbmdsdWFuIFN1IDxzdXpodWFuZ2x1YW5AaGlzaWxpY29u LmNvbT4KQ2M6IFJ5YW4gR3JhY2hlayA8cnlhbkBlZGl0ZWQudXM+CkNjOiBNYW5pdmFubmFuIFNh ZGhhc2l2YW0gPG1hbml2YW5uYW4uc2FkaGFzaXZhbUBsaW5hcm8ub3JnPgpDYzogR3VvZG9uZyBY dSA8Z3VvZG9uZy54dUBsaW5hcm8ub3JnPgpDYzogZG1hZW5naW5lQHZnZXIua2VybmVsLm9yZwpT aWduZWQtb2ZmLWJ5OiBMaSBZdSA8bGl5dTY1QGhpc2lsaWNvbi5jb20+Cltqc3R1bHR6OiBSZXdv cmtlZCB0byB1c2UgYSBjaGFubmVsIG1hc2tdClNpZ25lZC1vZmYtYnk6IEpvaG4gU3R1bHR6IDxq b2huLnN0dWx0ekBsaW5hcm8ub3JnPgotLS0KdjM6IFJlbmFtZSB0byBoaXNpLWRtYS1hdmFpbC1j aGFuCnY0OiBSZW5hbWUgdG8gZG1hLWNoYW5uZWwtbWFzawp2NTogVXNlIEJJVChpKSBpbnN0ZWFk IG9mICgxPDxpKQotLS0KIGRyaXZlcnMvZG1hL2szZG1hLmMgfCAyMCArKysrKysrKysrKysrKysr KysrLQogMSBmaWxlIGNoYW5nZWQsIDE5IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRp ZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9rM2RtYS5jIGIvZHJpdmVycy9kbWEvazNkbWEuYwppbmRl eCBlNDE1Yzg1Li4yOTRlYzY0IDEwMDY0NAotLS0gYS9kcml2ZXJzL2RtYS9rM2RtYS5jCisrKyBi L2RyaXZlcnMvZG1hL2szZG1hLmMKQEAgLTExMSw2ICsxMTEsNyBAQCBzdHJ1Y3QgazNfZG1hX2Rl diB7CiAJc3RydWN0IGRtYV9wb29sCQkqcG9vbDsKIAl1MzIJCQlkbWFfY2hhbm5lbHM7CiAJdTMy CQkJZG1hX3JlcXVlc3RzOworCXUzMgkJCWRtYV9jaGFubmVsX21hc2s7CiAJdW5zaWduZWQgaW50 CQlpcnE7CiB9OwogCkBAIC0zMTksNiArMzIwLDkgQEAgc3RhdGljIHZvaWQgazNfZG1hX3Rhc2ts ZXQodW5zaWduZWQgbG9uZyBhcmcpCiAJLyogY2hlY2sgbmV3IGNoYW5uZWwgcmVxdWVzdCBpbiBk LT5jaGFuX3BlbmRpbmcgKi8KIAlzcGluX2xvY2tfaXJxKCZkLT5sb2NrKTsKIAlmb3IgKHBjaCA9 IDA7IHBjaCA8IGQtPmRtYV9jaGFubmVsczsgcGNoKyspIHsKKwkJaWYgKCEoZC0+ZG1hX2NoYW5u ZWxfbWFzayAmICgxPDxwY2gpKSkKKwkJCWNvbnRpbnVlOworCiAJCXAgPSAmZC0+cGh5W3BjaF07 CiAKIAkJaWYgKHAtPnZjaGFuID09IE5VTEwgJiYgIWxpc3RfZW1wdHkoJmQtPmNoYW5fcGVuZGlu ZykpIHsKQEAgLTMzNiw2ICszNDAsOSBAQCBzdGF0aWMgdm9pZCBrM19kbWFfdGFza2xldCh1bnNp Z25lZCBsb25nIGFyZykKIAlzcGluX3VubG9ja19pcnEoJmQtPmxvY2spOwogCiAJZm9yIChwY2gg PSAwOyBwY2ggPCBkLT5kbWFfY2hhbm5lbHM7IHBjaCsrKSB7CisJCWlmICghKGQtPmRtYV9jaGFu bmVsX21hc2sgJiAoMTw8cGNoKSkpCisJCQljb250aW51ZTsKKwogCQlpZiAocGNoX2FsbG9jICYg KDEgPDwgcGNoKSkgewogCQkJcCA9ICZkLT5waHlbcGNoXTsKIAkJCWMgPSBwLT52Y2hhbjsKQEAg LTg1Niw2ICs4NjMsMTMgQEAgc3RhdGljIGludCBrM19kbWFfcHJvYmUoc3RydWN0IHBsYXRmb3Jt X2RldmljZSAqb3ApCiAJCQkJImRtYS1jaGFubmVscyIsICZkLT5kbWFfY2hhbm5lbHMpOwogCQlv Zl9wcm9wZXJ0eV9yZWFkX3UzMigoJm9wLT5kZXYpLT5vZl9ub2RlLAogCQkJCSJkbWEtcmVxdWVz dHMiLCAmZC0+ZG1hX3JlcXVlc3RzKTsKKwkJcmV0ID0gb2ZfcHJvcGVydHlfcmVhZF91MzIoKCZv cC0+ZGV2KS0+b2Zfbm9kZSwKKwkJCQkiZG1hLWNoYW5uZWwtbWFzayIsICZkLT5kbWFfY2hhbm5l bF9tYXNrKTsKKwkJaWYgKHJldCkgeworCQkJZGV2X3dhcm4oJm9wLT5kZXYsCisJCQkJICJkbWEt Y2hhbm5lbC1tYXNrIGRvZXNuJ3QgZXhpc3QsIGNvbnNpZGVyaW5nIGFsbCBhcyBhdmFpbGFibGUu XG4iKTsKKwkJCWQtPmRtYV9jaGFubmVsX21hc2sgPSAodTMyKX4wVUw7CisJCX0KIAl9CiAKIAlp ZiAoIShzb2NfZGF0YS0+ZmxhZ3MgJiBLM19GTEFHX05PQ0xLKSkgewpAQCAtODg3LDggKzkwMSwx MiBAQCBzdGF0aWMgaW50IGszX2RtYV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpvcCkK IAkJcmV0dXJuIC1FTk9NRU07CiAKIAlmb3IgKGkgPSAwOyBpIDwgZC0+ZG1hX2NoYW5uZWxzOyBp KyspIHsKLQkJc3RydWN0IGszX2RtYV9waHkgKnAgPSAmZC0+cGh5W2ldOworCQlzdHJ1Y3QgazNf ZG1hX3BoeSAqcDsKKworCQlpZiAoIShkLT5kbWFfY2hhbm5lbF9tYXNrICYgQklUKGkpKSkKKwkJ CWNvbnRpbnVlOwogCisJCXAgPSAmZC0+cGh5W2ldOwogCQlwLT5pZHggPSBpOwogCQlwLT5iYXNl ID0gZC0+YmFzZSArIGkgKiAweDQwOwogCX0K