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: [3/3] usb: dwc2: host: do not schedule delayed QH unnecessarily From: Torokhov Message-Id: <20180615220131.65402-3-dmitry.torokhov@gmail.com> Date: Fri, 15 Jun 2018 15:01:31 -0700 To: Felipe Balbi , Minas Harutyunyan Cc: Douglas Anderson , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: V2hlbiB3ZSBhcmUgcmVhZHkgdG8gcmV0cnkgdGhlIGRlbGF5ZWQgUUgsIHdlIGRvIG5vdCBuZWVk IHRvIG1hbnVhbGx5CnNjYW4gcXVldWVzIGFuZCBzY2hlZHVsZSB0aGVtIGlmIGNvbnRyb2xsZXIg aXMgYWxyZWFkeSBydW5uaW5nOyB3ZSBvbmx5Cm5lZWQgdG8gZG8gdGhhdCBpZiBTT0YgaW50ZXJy dXB0IGlzIG1hc2tlZCwgb3RoZXJ3aXNlIHdlJ2xsIHBpY2sgdGhlbSB1cAphdCB0aGUgbmV4dCBm cmFtZS4KClNpZ25lZC1vZmYtYnk6IERtaXRyeSBUb3Jva2hvdiA8ZG1pdHJ5LnRvcm9raG92QGdt YWlsLmNvbT4KLS0tCiBkcml2ZXJzL3VzYi9kd2MyL2hjZF9xdWV1ZS5jIHwgMzEgKysrKysrKysr KysrKysrKysrLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDE4IGluc2VydGlvbnMoKyks IDEzIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2R3YzIvaGNkX3F1ZXVl LmMgYi9kcml2ZXJzL3VzYi9kd2MyL2hjZF9xdWV1ZS5jCmluZGV4IGUzNGFkNWU2NTM1MDEuLmRi OWU3YzlkMzE1NTQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvdXNiL2R3YzIvaGNkX3F1ZXVlLmMKKysr IGIvZHJpdmVycy91c2IvZHdjMi9oY2RfcXVldWUuYwpAQCAtMTQ2OCw2ICsxNDY4LDggQEAgc3Rh dGljIHZvaWQgZHdjMl93YWl0X3RpbWVyX2ZuKHN0cnVjdCB0aW1lcl9saXN0ICp0KQogewogCXN0 cnVjdCBkd2MyX3FoICpxaCA9IGZyb21fdGltZXIocWgsIHQsIHdhaXRfdGltZXIpOwogCXN0cnVj dCBkd2MyX2hzb3RnICpoc290ZyA9IHFoLT5oc290ZzsKKwllbnVtIGR3YzJfdHJhbnNhY3Rpb25f dHlwZSB0cl90eXBlOworCXUzMiBpbnRyX21hc2s7CiAJdW5zaWduZWQgbG9uZyBmbGFnczsKIAog CXNwaW5fbG9ja19pcnFzYXZlKCZoc290Zy0+bG9jaywgZmxhZ3MpOwpAQCAtMTQ3NiwxOSArMTQ3 OCwyMiBAQCBzdGF0aWMgdm9pZCBkd2MyX3dhaXRfdGltZXJfZm4oc3RydWN0IHRpbWVyX2xpc3Qg KnQpCiAJICogV2UnbGwgc2V0IHdhaXRfdGltZXJfY2FuY2VsIHRvIHRydWUgaWYgd2Ugd2FudCB0 byBjYW5jZWwgdGhpcwogCSAqIG9wZXJhdGlvbiBpbiBkd2MyX2hjZF9xaF91bmxpbmsoKS4KIAkg Ki8KLQlpZiAoIXFoLT53YWl0X3RpbWVyX2NhbmNlbCkgewotCQllbnVtIGR3YzJfdHJhbnNhY3Rp b25fdHlwZSB0cl90eXBlOworCWlmIChxaC0+d2FpdF90aW1lcl9jYW5jZWwpCisJCWdvdG8gb3V0 X3VubG9jazsKIAotCQlxaC0+d2FudF93YWl0ID0gZmFsc2U7CisJbGlzdF9tb3ZlKCZxaC0+cWhf bGlzdF9lbnRyeSwgJmhzb3RnLT5ub25fcGVyaW9kaWNfc2NoZWRfaW5hY3RpdmUpOwogCi0JCWxp c3RfbW92ZSgmcWgtPnFoX2xpc3RfZW50cnksCi0JCQkgICZoc290Zy0+bm9uX3BlcmlvZGljX3Nj aGVkX2luYWN0aXZlKTsKKwkvKiBTZWUgaWYgd2Ugc2hvdWxkIGtpY2sgdGhlIGNvbnRyb2xsZXIg aWYgaXQgd2FzIGlkbGUgKi8KKwlpbnRyX21hc2sgPSBkd2MyX3JlYWRsKGhzb3RnLT5yZWdzICsg R0lOVE1TSyk7CisJaWYgKGludHJfbWFzayAmIEdJTlRTVFNfU09GKQorCQlnb3RvIG91dF91bmxv Y2s7CiAKLQkJdHJfdHlwZSA9IGR3YzJfaGNkX3NlbGVjdF90cmFuc2FjdGlvbnMoaHNvdGcpOwot CQlpZiAodHJfdHlwZSAhPSBEV0MyX1RSQU5TQUNUSU9OX05PTkUpCi0JCQlkd2MyX2hjZF9xdWV1 ZV90cmFuc2FjdGlvbnMoaHNvdGcsIHRyX3R5cGUpOwotCX0KKwkvKiBUaGUgY29udHJvbGxlciB3 YXMgaWRsZSwgbGV0J3MgdHJ5IHF1ZXVlIG91ciBwb3N0cG9uZWQgd29yayAqLworCXRyX3R5cGUg PSBkd2MyX2hjZF9zZWxlY3RfdHJhbnNhY3Rpb25zKGhzb3RnKTsKKwlpZiAodHJfdHlwZSAhPSBE V0MyX1RSQU5TQUNUSU9OX05PTkUpCisJCWR3YzJfaGNkX3F1ZXVlX3RyYW5zYWN0aW9ucyhoc290 ZywgdHJfdHlwZSk7CiAKK291dF91bmxvY2s6CiAJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmaHNv dGctPmxvY2ssIGZsYWdzKTsKIH0KIApAQCAtMTcyMiwxMCArMTcyNyw2IEBAIGludCBkd2MyX2hj ZF9xaF9hZGQoc3RydWN0IGR3YzJfaHNvdGcgKmhzb3RnLCBzdHJ1Y3QgZHdjMl9xaCAqcWgpCiAK IAkvKiBBZGQgdGhlIG5ldyBRSCB0byB0aGUgYXBwcm9wcmlhdGUgc2NoZWR1bGUgKi8KIAlpZiAo ZHdjMl9xaF9pc19ub25fcGVyKHFoKSkgewotCQkvKiBTY2hlZHVsZSByaWdodCBhd2F5ICovCi0J CXFoLT5zdGFydF9hY3RpdmVfZnJhbWUgPSBoc290Zy0+ZnJhbWVfbnVtYmVyOwotCQlxaC0+bmV4 dF9hY3RpdmVfZnJhbWUgPSBxaC0+c3RhcnRfYWN0aXZlX2ZyYW1lOwotCiAJCWlmIChxaC0+d2Fu dF93YWl0KSB7CiAJCQlsaXN0X2FkZF90YWlsKCZxaC0+cWhfbGlzdF9lbnRyeSwKIAkJCQkgICAg ICAmaHNvdGctPm5vbl9wZXJpb2RpY19zY2hlZF93YWl0aW5nKTsKQEAgLTE3MzMsNiArMTczNCwx MCBAQCBpbnQgZHdjMl9oY2RfcWhfYWRkKHN0cnVjdCBkd2MyX2hzb3RnICpoc290Zywgc3RydWN0 IGR3YzJfcWggKnFoKQogCQkJbW9kX3RpbWVyKCZxaC0+d2FpdF90aW1lciwKIAkJCQkgIGppZmZp ZXMgKyBEV0MyX1JFVFJZX1dBSVRfREVMQVkgKyAxKTsKIAkJfSBlbHNlIHsKKwkJCS8qIFNjaGVk dWxlIHJpZ2h0IGF3YXkgKi8KKwkJCXFoLT5zdGFydF9hY3RpdmVfZnJhbWUgPSBoc290Zy0+ZnJh bWVfbnVtYmVyOworCQkJcWgtPm5leHRfYWN0aXZlX2ZyYW1lID0gcWgtPnN0YXJ0X2FjdGl2ZV9m cmFtZTsKKwogCQkJbGlzdF9hZGRfdGFpbCgmcWgtPnFoX2xpc3RfZW50cnksCiAJCQkJICAgICAg Jmhzb3RnLT5ub25fcGVyaW9kaWNfc2NoZWRfaW5hY3RpdmUpOwogCQl9Cg==