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: serious doubts concerning a7d57abcc8a5bdeb53bbf8e87558e8e0a2c2a29d ("xhci: workaround CSS timeout on AMD SNPS 3.0 xHC") From: Greg Kroah-Hartman Message-Id: <20181217125443.GA1934@kroah.com> Date: Mon, 17 Dec 2018 13:54:43 +0100 To: Oliver Neukum Cc: Sandeep Singh , linux-usb@vger.kernel.org, nsaenzjulienne@suse.de List-ID: T24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDE6MzM6MDVQTSArMDEwMCwgT2xpdmVyIE5ldWt1bSB3 cm90ZToKPiBIaSwKPiAKPiB0aGlzIHBhdGNoIGNvbnRhaW5zIHRoZSBmb2xsb3dpbmcgc2VjdGlv bjoKPiAKPiBpbmRleCAyNjBiMjU5YjcyYmMuLmMzNTE1YmFkNWRiYiAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL3VzYi9ob3N0L3hoY2kuaAo+ICsrKyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS5oCj4g QEAgLTE4NTAsNiArMTg1MCw3IEBAIHN0cnVjdCB4aGNpX2hjZCB7Cj4gICNkZWZpbmUgWEhDSV9a RVJPXzY0Ql9SRUdTICAgICBCSVRfVUxMKDMyKQo+ICAjZGVmaW5lIFhIQ0lfREVGQVVMVF9QTV9S VU5USU1FX0FMTE9XICBCSVRfVUxMKDMzKQo+ICAjZGVmaW5lIFhIQ0lfUkVTRVRfUExMX09OX0RJ U0NPTk5FQ1QgICBCSVRfVUxMKDM0KQo+ICsjZGVmaW5lIFhIQ0lfU05QU19CUk9LRU5fU1VTUEVO RCAgICBCSVRfVUxMKDM1KQo+ICAKPiAgICAgICAgIHVuc2lnbmVkIGludCAgICAgICAgICAgIG51 bV9hY3RpdmVfZXBzOwo+ICAgICAgICAgdW5zaWduZWQgaW50ICAgICAgICAgICAgbGltaXRfYWN0 aXZlX2VwczsKPiBAQCAtMTg3OSw2ICsxODgwLDggQEAgc3RydWN0IHhoY2lfaGNkIHsKPiAgICAg ICAgIHZvaWQgICAgICAgICAgICAgICAgICAgICpkYmM7Cj4gICAgICAgICAvKiBwbGF0Zm9ybS1z cGVjaWZpYyBkYXRhIC0tIG11c3QgY29tZSBsYXN0ICovCj4gICAgICAgICB1bnNpZ25lZCBsb25n ICAgICAgICAgICBwcml2WzBdIF9fYWxpZ25lZChzaXplb2YoczY0KSk7Cj4gKyAgICAgICAvKiBC cm9rZW4gU3VzcGVuZCBmbGFnIGZvciBTTlBTIFN1c3BlbmQgcmVzdW1lIGlzc3VlICovCj4gKyAg ICAgICB1OCAgICAgICAgICAgICAgICAgICAgICBicm9rZW5fc3VzcGVuZDsKPiAgfTsKPiAgCj4g IC8qIFBsYXRmb3JtIHNwZWNpZmljIG92ZXJyaWRlcyB0byBnZW5lcmljIFhIQ0kgaGNfZHJpdmVy IG9wcyAqLwo+IAo+IFRoZSBwbGFjZW1lbnQgb2YgdGhlIGJyb2tlbl9zdXNwZW5kIGZsYWcgc2Vl bXMgdG8gYnJlYWsgZXZlcnkKPiB1c2FnZSBvZiB0aGUgcHJpdiBtZW1iZXIgb2Ygc3RydWN0IHho Y2lfaGNkLgo+IEFyZSB5b3Ugc3VyZSB0aGF0IGlzIGEgZ29vZCBpZGVhPwoKVWdoLCBpY2ssIG5v LCB0aGF0J3MgdG90YWxseSB3cm9uZyA6KAoKSG93IGRpZCB0aGlzIHdvcms/ICBJIGd1ZXNzIG5v IG9uZSB0cmllZCB0aGlzIHR5cGUgb2YgaG9zdCBjb250cm9sbGVyIG9uCmEgcGxhdGZvcm0geGhj aSBkcml2ZXI/CgpTYW5kZWVwIG9yIG9saXZlciwgLCB3YW50IHRvIHNlbmQgYSBmaXh1cCBwYXRj aD8KQW5kIHNob3VsZG4ndCB0aGF0IGp1c3QgYmUgYSBib29sIG9yIGEgYml0ZmxhZz8KCnRoYW5r cywKCmdyZWcgay1oCg==