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] usb: warm-reset ports on hub resume, if requested From: Jan-Marek Glogowski Message-Id: <1548851905-1570-1-git-send-email-glogow@fbihome.de> Date: Wed, 30 Jan 2019 13:38:25 +0100 To: linux-usb@vger.kernel.org Cc: Greg Kroah-Hartman , Alan Stern , Mathias Nyman , Kai-Heng Feng , Nicolas Boichat , Nicolas Saenz Julienne , Jon Flatley , Oliver Neukum List-ID: T24gcGx1Zy1pbiBvZiBteSBVU0ItQyBkZXZpY2UsIGl0cyBVU0JfU1NfUE9SVF9MU19TU19JTkFD VElWRQpsaW5rIHN0YXRlIGJpdCBpcyBzZXQuIEdyZXBpbmcgYWxsIHRoZSBrZXJuZWwgZm9yIHRo aXMgYml0IHNob3dzCnRoYXQgdGhlIHBvcnQgc3RhdHVzIHJlcXVlc3RzIGEgd2FybS1yZXNldCB0 aGlzIHdheS4KClRoaXMganVzdCBoYXBwZW5zLCBpZiBpdHMgdGhlIG9ubHkgZGV2aWNlIG9uIHRo YXQgaHViIGFuZCB0aGUKaHViIHJlc3VtZXMsIHNvIHdlIGRvbid0IGNhbGwgcG9ydF9ldmVudCwg d2hpY2ggd291bGQgb3RoZXJ3aXNlCndhcm0tcmVzZXQgcG9ydHMuIFRoZSBkZXZpY2Ugd29ya3Mg b2sgd2l0aG91dCB0aGlzIHBhdGNoLCBpZgp0aGVyZSBpcyBhbHJlYWR5IGFueSBvdGhlciBkZXZp Y2UgY29ubmVjdGVkIHRvIHRoZSBodWIuCgpTaWduZWQtb2ZmLWJ5OiBKYW4tTWFyZWsgR2xvZ293 c2tpIDxnbG9nb3dAZmJpaG9tZS5kZT4KLS0tCgpUaGUgb3JpZ2luYWwgdGhyZWFkIGlzICJVU0It QyBzdG9yYWdlIGRldmljZSBub3QgZGV0ZWN0ZWQgb24gVVNCIDMuMSBHZW4gMgpob3N0IHdoZW4g cGx1Z2dlZCBpbiBhZnRlciBib290Ii4gQSBkaWZmZXJlbnQgcGF0Y2gsIHN1Z2dlc3RlZCBieSBN YXRoaWFzCk55bWFuLCBkaWRuJ3Qgd29yayBmb3IgbWUuIFRoaXMgcGF0Y2ggd2FzIGp1c3QgcmVi YXNlZCBvbiB1c2ItbmV4dCwgYnV0IG5vdApyZS10ZXN0ZWQuIE9yaWdpbmFsIHRlc3RzIGFyZSBi YXNlZCBvbiA1LjAtcmMuCgp2MTogVGhpcyBhbHdheXMgd2FybS1yZXNldHMgdGhlIHBvcnRzIGlu IGh1Yl9hY3RpdmF0ZSwgaW5kZXBlbmRlbnQgb2YgdGhlCiJlbnVtIGh1Yl9hY3RpdmF0aW9uX3R5 cGUiLiBKdXN0IGhhZCBhIHNpbmdsZSBkZXZpY2UgdG8gdGVzdC4KCnYyOiBJIGhhZCB0aGUgaWRl YSBhYm91dCB0aGUgd29ya2luZyBkZXZpY2UsIGlmIHRoZXJlIGlzIGFscmVhZHkgYSBkZXZpY2UK Y29ubmVjdGVkIHRvIHRoZSBodWIgYW5kIHRoYXQgYSByZXN1bWUgb25seSBvbiAidHlwZSA9PSBI VUJfUkVTVU1FIiBzaG91bGQKYmUgc3VmZmljaWVudC4gVGhpcyBzdGlsbCB3b3JrcyBmb3IgbWUs IGJ1dCBJIGRpZG4ndCBmb2xsb3cgYWxsIHRoZQpodWJfYWN0aXZhdGUgY2FsbGVycyBldmVyeXdo ZXJlIGFuZCBJJ20gZGVmaW5pdGx5IHN0aWxsIG1pc3NpbmcgYSBsb3Qgb2YKa25vd2xlZGdlIGFi b3V0IFVTQiBzdHVmZi4gVGhlcmUgaXMgYWxzbyBIVUJfUkVTRVRfUkVTVU1FIHdpdGggYSBzbGln aHRseQpkaWZmZXJlbnQgY29kZSBwYXRoLiBJIGRvbid0IGtub3cgaG93IHRvIHRyaWdnZXIgdGhp cy4KCnYzOiBjb2RlIHVuY2hhbmdlZCB0byB2Mi4KCi0tLQogZHJpdmVycy91c2IvY29yZS9odWIu YyB8IDIxICsrKysrKysrKysrKysrKy0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDE1IGluc2VydGlv bnMoKyksIDYgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvY29yZS9odWIu YyBiL2RyaXZlcnMvdXNiL2NvcmUvaHViLmMKaW5kZXggYmIwODMwYy4uMzNkNDgyMSAxMDA2NDQK LS0tIGEvZHJpdmVycy91c2IvY29yZS9odWIuYworKysgYi9kcml2ZXJzL3VzYi9jb3JlL2h1Yi5j CkBAIC0xMDgsNiArMTA4LDE2IEBAIEVYUE9SVF9TWU1CT0xfR1BMKGVoY2lfY2ZfcG9ydF9yZXNl dF9yd3NlbSk7CiBzdGF0aWMgdm9pZCBodWJfcmVsZWFzZShzdHJ1Y3Qga3JlZiAqa3JlZik7CiBz dGF0aWMgaW50IHVzYl9yZXNldF9hbmRfdmVyaWZ5X2RldmljZShzdHJ1Y3QgdXNiX2RldmljZSAq dWRldik7CiBzdGF0aWMgaW50IGh1Yl9wb3J0X2Rpc2FibGUoc3RydWN0IHVzYl9odWIgKmh1Yiwg aW50IHBvcnQxLCBpbnQgc2V0X3N0YXRlKTsKK3N0YXRpYyBib29sIGh1Yl9wb3J0X3dhcm1fcmVz ZXRfcmVxdWlyZWQoc3RydWN0IHVzYl9odWIgKmh1YiwgaW50IHBvcnQxLAorCQl1MTYgcG9ydHN0 YXR1cyk7CitzdGF0aWMgaW50IGh1Yl9wb3J0X3Jlc2V0KHN0cnVjdCB1c2JfaHViICpodWIsIGlu dCBwb3J0MSwKKwkJCXN0cnVjdCB1c2JfZGV2aWNlICp1ZGV2LCB1bnNpZ25lZCBpbnQgZGVsYXks IGJvb2wgd2FybSk7CisKKyNkZWZpbmUgSFVCX1JPT1RfUkVTRVRfVElNRQk2MAkvKiB0aW1lcyBh cmUgaW4gbXNlYyAqLworI2RlZmluZSBIVUJfU0hPUlRfUkVTRVRfVElNRQkxMAorI2RlZmluZSBI VUJfQkhfUkVTRVRfVElNRQk1MAorI2RlZmluZSBIVUJfTE9OR19SRVNFVF9USU1FCTIwMAorI2Rl ZmluZSBIVUJfUkVTRVRfVElNRU9VVAk4MDAKIAogc3RhdGljIGlubGluZSBjaGFyICpwb3J0c3Bl ZWQoc3RydWN0IHVzYl9odWIgKmh1YiwgaW50IHBvcnRzdGF0dXMpCiB7CkBAIC0xMTQ3LDYgKzEx NTcsMTEgQEAgc3RhdGljIHZvaWQgaHViX2FjdGl2YXRlKHN0cnVjdCB1c2JfaHViICpodWIsIGVu dW0gaHViX2FjdGl2YXRpb25fdHlwZSB0eXBlKQogCQkJCQkJVVNCX1NTX1BPUlRfTFNfUE9MTElO RykpCiAJCQluZWVkX2RlYm91bmNlX2RlbGF5ID0gdHJ1ZTsKIAorCQlpZiAodHlwZSA9PSBIVUJf UkVTVU1FICYmCisJCSAgICBodWJfcG9ydF93YXJtX3Jlc2V0X3JlcXVpcmVkKGh1YiwgcG9ydDEs IHBvcnRzdGF0dXMpKQorCQkJaHViX3BvcnRfcmVzZXQoaHViLCBwb3J0MSwgdWRldiwKKwkJCQkJ SFVCX0JIX1JFU0VUX1RJTUUsIHRydWUpOworCiAJCS8qIENsZWFyIHN0YXR1cy1jaGFuZ2UgZmxh Z3M7IHdlJ2xsIGRlYm91bmNlIGxhdGVyICovCiAJCWlmIChwb3J0Y2hhbmdlICYgVVNCX1BPUlRf U1RBVF9DX0NPTk5FQ1RJT04pIHsKIAkJCW5lZWRfZGVib3VuY2VfZGVsYXkgPSB0cnVlOwpAQCAt MjY4NCwxMiArMjY5OSw2IEBAIHN0YXRpYyB1bnNpZ25lZCBodWJfaXNfd3VzYihzdHJ1Y3QgdXNi X2h1YiAqaHViKQogI2RlZmluZSBTRVRfQ09ORklHX1RSSUVTCSgyICogKHVzZV9ib3RoX3NjaGVt ZXMgKyAxKSkKICNkZWZpbmUgVVNFX05FV19TQ0hFTUUoaSwgc2NoZW1lKQkoKGkpIC8gMiA9PSAo aW50KXNjaGVtZSkKIAotI2RlZmluZSBIVUJfUk9PVF9SRVNFVF9USU1FCTYwCS8qIHRpbWVzIGFy ZSBpbiBtc2VjICovCi0jZGVmaW5lIEhVQl9TSE9SVF9SRVNFVF9USU1FCTEwCi0jZGVmaW5lIEhV Ql9CSF9SRVNFVF9USU1FCTUwCi0jZGVmaW5lIEhVQl9MT05HX1JFU0VUX1RJTUUJMjAwCi0jZGVm aW5lIEhVQl9SRVNFVF9USU1FT1VUCTgwMAotCiAvKgogICogIk5ldyBzY2hlbWUiIGVudW1lcmF0 aW9uIGNhdXNlcyBhbiBleHRyYSBzdGF0ZSB0cmFuc2l0aW9uIHRvIGJlCiAgKiBleHBvc2VkIHRv IGFuIHhoY2kgaG9zdCBhbmQgY2F1c2VzIFVTQjMgZGV2aWNlcyB0byByZWNlaXZlIGNvbnRyb2wK