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: [v2] usb: host: xhci-plat: Iterate over parent nodes for finding quirks From: Mathias Nyman Message-Id: Date: Mon, 6 Aug 2018 15:18:45 +0300 To: Anurag Kumar Vulisha , mathias.nyman@intel.com, gregkh@linuxfoundation.org Cc: v.anuragkumar@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: SGkKCk9uIDA2LjA4LjIwMTggMTQ6MzYsIEFudXJhZyBLdW1hciBWdWxpc2hhIHdyb3RlOgo+IElu IHhoY2lfcGxhdF9wcm9iZSgpIGJvdGggc3lzZGV2IGFuZCBwZGV2LT5kZXYgYXJlIGJlaW5nIHVz ZWQKPiBmb3IgZmluZGluZyBxdWlya3MuIFRoZXJlIGFyZSBzb21lIGRyaXZlcnMobGlrZSBkd2Mz IGhvc3QuYykKPiB3aGljaCBhZGRzIHF1aXJrcyhsaWtlIHVzYjMtbHBtLWNhcGFibGUpIGludG8g cGRldiBhbmQgdGhlIGxvZ2ljCj4gcHJlc2VudCBpbiB4aGNpX3BsYXRfcHJvYmUoKSBjaGVja3Mg Zm9yIHF1aXJrcyBpbiBlaXRoZXIgc3lzZGV2Cj4gb3IgcGRldiBmb3IgZmluZGluZyB0aGUgcXVp cmtzLiBCZWNhdXNlIG9mIHRoaXMgbG9naWMsIHNvbWUgb2YKPiB0aGUgcXVpcmtzIGFyZSBnZXR0 aW5nIG1pc3NlZCh1c2IzLWxwbS1jYXBhYmxlIHF1aXJrIGFkZGVkIGJ5IGR3YzMKPiBob3N0LmMg ZHJpdmVyIGlzIGdldHRpbmcgbWlzc2VkKS5UaGlzIHBhdGNoIGZpeGVzIHRoaXMgYnkgaXRlcmF0 aW5nCj4gb3ZlciBhbGwgdGhlIGF2YWlsYWJsZSBwYXJlbnRzIGZvciBmaW5kaW5nIHRoZSBxdWly a3MuIEluIHRoaXMgd2F5Cj4gYWxsIHRoZSBxdWlya3Mgd2hpY2ggYXJlIHByZXNlbnQgaW4gY2hp bGQgb3IgcGFyZW50IGFyZSBjb3JyZWN0bHkKPiB1cGRhdGVkLgo+IAo+IFNpZ25lZC1vZmYtYnk6 IEFudXJhZyBLdW1hciBWdWxpc2hhIDxhbnVyYWcua3VtYXIudnVsaXNoYUB4aWxpbnguY29tPgo+ IC0tLQo+ICAgQ2hhbmdlcyBpbiB2MjoKPiAJMS4gQXMgc3VnZ2VzdGVkIGJ5IE1hdGhpYXMsIHJl c3RvcmluZyBpbW1vZF9pbnRlcnZhbCBjaGFuZ2VzIHRvCj4gCSAgIGRlZmF1bHQKPiAtLS0KPiAg IGRyaXZlcnMvdXNiL2hvc3QveGhjaS1wbGF0LmMgfCAyNCArKysrKysrKysrKysrKy0tLS0tLS0t LS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkK PiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvaG9zdC94aGNpLXBsYXQuYyBiL2RyaXZlcnMv dXNiL2hvc3QveGhjaS1wbGF0LmMKPiBpbmRleCBjMWIyMmZjLi5mMTIxMjM4IDEwMDY0NAo+IC0t LSBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1wbGF0LmMKPiArKysgYi9kcml2ZXJzL3VzYi9ob3N0 L3hoY2ktcGxhdC5jCj4gQEAgLTE1Miw3ICsxNTIsNyBAQCBzdGF0aWMgaW50IHhoY2lfcGxhdF9w cm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ICAgewo+ICAgCWNvbnN0IHN0cnVj dCB4aGNpX3BsYXRfcHJpdiAqcHJpdl9tYXRjaDsKPiAgIAljb25zdCBzdHJ1Y3QgaGNfZHJpdmVy CSpkcml2ZXI7Cj4gLQlzdHJ1Y3QgZGV2aWNlCQkqc3lzZGV2Owo+ICsJc3RydWN0IGRldmljZQkJ KnN5c2RldiwgKnRtcGRldjsKPiAgIAlzdHJ1Y3QgeGhjaV9oY2QJCSp4aGNpOwo+ICAgCXN0cnVj dCByZXNvdXJjZSAgICAgICAgICpyZXM7Cj4gICAJc3RydWN0IHVzYl9oY2QJCSpoY2Q7Cj4gQEAg LTI3MiwyMCArMjcyLDI0IEBAIHN0YXRpYyBpbnQgeGhjaV9wbGF0X3Byb2JlKHN0cnVjdCBwbGF0 Zm9ybV9kZXZpY2UgKnBkZXYpCj4gICAJCWdvdG8gZGlzYWJsZV9jbGs7Cj4gICAJfQo+ICAgCj4g LQlpZiAoZGV2aWNlX3Byb3BlcnR5X3JlYWRfYm9vbChzeXNkZXYsICJ1c2IyLWxwbS1kaXNhYmxl IikpCj4gLQkJeGhjaS0+cXVpcmtzIHw9IFhIQ0lfSFdfTFBNX0RJU0FCTEU7Cj4gLQo+IC0JaWYg KGRldmljZV9wcm9wZXJ0eV9yZWFkX2Jvb2woc3lzZGV2LCAidXNiMy1scG0tY2FwYWJsZSIpKQo+ IC0JCXhoY2ktPnF1aXJrcyB8PSBYSENJX0xQTV9TVVBQT1JUOwo+IC0KPiAtCWlmIChkZXZpY2Vf cHJvcGVydHlfcmVhZF9ib29sKCZwZGV2LT5kZXYsICJxdWlyay1icm9rZW4tcG9ydC1wZWQiKSkK PiAtCQl4aGNpLT5xdWlya3MgfD0gWEhDSV9CUk9LRU5fUE9SVF9QRUQ7Cj4gLQo+ICAgCS8qIGlt b2RfaW50ZXJ2YWwgaXMgdGhlIGludGVycnVwdCBtb2RlcmF0aW9uIHZhbHVlIGluIG5hbm9zZWNv bmRzLiAqLwo+ICAgCXhoY2ktPmltb2RfaW50ZXJ2YWwgPSA0MDAwMDsKCnhoY2ktPmltb2RfaW50 ZXJ2YWwgPSA0MDAwMCBpcyBub3cgaW4gdGhlIGNvcnJlY3QgcGxhY2UKCj4gICAJZGV2aWNlX3By b3BlcnR5X3JlYWRfdTMyKHN5c2RldiwgImltb2QtaW50ZXJ2YWwtbnMiLAo+ICAgCQkJCSAmeGhj aS0+aW1vZF9pbnRlcnZhbCk7CgpidXQgdGhlIGRldmljZV9wcm9wZXJ5X3JlYWRfdTMyKCkgbGlu ZSBhYm92ZSBjYW4gYmUgbW92ZWQgaW5zaWRlIGxvb3AgYmVsb3cuCgo+ICAgCj4gKwkvKiBJdGVy YXRlIG92ZXIgYWxsIHBhcmVudCBub2RlcyBmb3IgZmluZGluZyBxdWlya3MgKi8KPiArCWZvciAo dG1wZGV2ID0gJnBkZXYtPmRldjsgdG1wZGV2OyB0bXBkZXYgPSB0bXBkZXYtPnBhcmVudCkgewo+ ICsKPiArCQlpZiAoZGV2aWNlX3Byb3BlcnR5X3JlYWRfYm9vbCh0bXBkZXYsICJ1c2IyLWxwbS1k aXNhYmxlIikpCj4gKwkJCXhoY2ktPnF1aXJrcyB8PSBYSENJX0hXX0xQTV9ESVNBQkxFOwo+ICsK PiArCQlpZiAoZGV2aWNlX3Byb3BlcnR5X3JlYWRfYm9vbCh0bXBkZXYsICJ1c2IzLWxwbS1jYXBh YmxlIikpCj4gKwkJCXhoY2ktPnF1aXJrcyB8PSBYSENJX0xQTV9TVVBQT1JUOwo+ICsKPiArCQlp ZiAoZGV2aWNlX3Byb3BlcnR5X3JlYWRfYm9vbCh0bXBkZXYsICJxdWlyay1icm9rZW4tcG9ydC1w ZWQiKSkKPiArCQkJeGhjaS0+cXVpcmtzIHw9IFhIQ0lfQlJPS0VOX1BPUlRfUEVEOwo+ICsJfQo+ ICsKPiAgIAloY2QtPnVzYl9waHkgPSBkZXZtX3VzYl9nZXRfcGh5X2J5X3BoYW5kbGUoc3lzZGV2 LCAidXNiLXBoeSIsIDApOwo+ICAgCWlmIChJU19FUlIoaGNkLT51c2JfcGh5KSkgewo+ICAgCQly ZXQgPSBQVFJfRVJSKGhjZC0+dXNiX3BoeSk7Cj4gCgotTWF0aGlhcwotLS0KVG8gdW5zdWJzY3Jp YmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIg aW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9y ZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5m by5odG1sCg==