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: [RFC,v2] usb: xhci: add Immediate Data Transfer support From: Felipe Balbi Message-Id: <87lg2tmnk3.fsf@linux.intel.com> Date: Wed, 06 Feb 2019 08:35:40 +0200 To: Nicolas Saenz Julienne , oneukum@suse.com, Mathias Nyman Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: SGksCgpOaWNvbGFzIFNhZW56IEp1bGllbm5lIDxuc2FlbnpqdWxpZW5uZUBzdXNlLmRlPiB3cml0 ZXM6Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1yaW5nLmMgYi9kcml2ZXJz L3VzYi9ob3N0L3hoY2ktcmluZy5jCj4gaW5kZXggNDBmYTI1YzRkMDQxLi5hNGVmYmU2MmExYTMg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLXJpbmcuYwo+ICsrKyBiL2RyaXZl cnMvdXNiL2hvc3QveGhjaS1yaW5nLmMKPiBAQCAtMzI3Miw4ICszMjcyLDE1IEBAIGludCB4aGNp X3F1ZXVlX2J1bGtfdHgoc3RydWN0IHhoY2lfaGNkICp4aGNpLCBnZnBfdCBtZW1fZmxhZ3MsCj4g IAkJCWZpZWxkIHw9IFRSQl9JT0M7Cj4gIAkJCW1vcmVfdHJic19jb21pbmcgPSBmYWxzZTsKPiAg CQkJdGQtPmxhc3RfdHJiID0gcmluZy0+ZW5xdWV1ZTsKPiArCj4gKwkJCWlmICh4aGNpX3VyYl9z dWl0YWJsZV9mb3JfaWR0KHVyYikpIHsKPiArCQkJCW1lbWNweSgmc2VuZF9hZGRyLCB1cmItPnRy YW5zZmVyX2J1ZmZlciwKPiArCQkJCSAgICAgICB0cmJfYnVmZl9sZW4pOwo+ICsJCQkJZmllbGQg fD0gVFJCX0lEVDsKPiArCQkJfQo+ICAJCX0KPiAgCj4gKwoKdHJhaWxpbmcgY2hhbmdlCgo+IEBA IC0zNDExLDYgKzM0MTgsMTIgQEAgaW50IHhoY2lfcXVldWVfY3RybF90eChzdHJ1Y3QgeGhjaV9o Y2QgKnhoY2ksIGdmcF90IG1lbV9mbGFncywKPiAgCWlmICh1cmItPnRyYW5zZmVyX2J1ZmZlcl9s ZW5ndGggPiAwKSB7Cj4gIAkJdTMyIGxlbmd0aF9maWVsZCwgcmVtYWluZGVyOwo+ICAKPiArCQlp ZiAoeGhjaV91cmJfc3VpdGFibGVfZm9yX2lkdCh1cmIpKSB7Cj4gKwkJCW1lbWNweSgmdXJiLT50 cmFuc2Zlcl9kbWEsIHVyYi0+dHJhbnNmZXJfYnVmZmVyLAo+ICsJCQkgICAgICAgdXJiLT50cmFu c2Zlcl9idWZmZXJfbGVuZ3RoKTsKPiArCQkJZmllbGQgfD0gVFJCX0lEVDsKPiArCQl9Cj4gKwo+ ICAJCXJlbWFpbmRlciA9IHhoY2lfdGRfcmVtYWluZGVyKHhoY2ksIDAsCj4gIAkJCQl1cmItPnRy YW5zZmVyX2J1ZmZlcl9sZW5ndGgsCj4gIAkJCQl1cmItPnRyYW5zZmVyX2J1ZmZlcl9sZW5ndGgs Cj4gQEAgLTM0MjAsNiArMzQzMyw3IEBAIGludCB4aGNpX3F1ZXVlX2N0cmxfdHgoc3RydWN0IHho Y2lfaGNkICp4aGNpLCBnZnBfdCBtZW1fZmxhZ3MsCj4gIAkJCQlUUkJfSU5UUl9UQVJHRVQoMCk7 Cj4gIAkJaWYgKHNldHVwLT5iUmVxdWVzdFR5cGUgJiBVU0JfRElSX0lOKQo+ICAJCQlmaWVsZCB8 PSBUUkJfRElSX0lOOwo+ICsKCnRyYWlsaW5nIGNoYW5nZQoKPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy91c2IvaG9zdC94aGNpLmMgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2kuYwo+IGluZGV4IDAwNWU2 NTkyMjYwOC4uZGVjNjJmN2Y1ZGM4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvdXNiL2hvc3QveGhj aS5jCj4gKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLmMKPiBAQCAtMTIzOCw2ICsxMjM4LDIx IEBAIEVYUE9SVF9TWU1CT0xfR1BMKHhoY2lfcmVzdW1lKTsKPiAgCj4gIC8qLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLSovCj4gIAo+ICsvKgo+ICsgKiBCeXBhc3MgdGhlIERNQSBtYXBwaW5nIGlmIFVSQiBpcyBz dWl0YWJsZSBmb3IgSW1tZWRpYXRlIFRyYW5zZmVyIChJRFQpLAo+ICsgKiB3ZSdsbCBjb3B5IHRo ZSBhY3R1YWwgZGF0YSBpbnRvIHRoZSBUUkIgYWRkcmVzcyByZWdpc3Rlci4gVGhpcyBpcyBsaW1p dGVkIHRvCj4gKyAqIHRyYW5zZmVycyB1cCB0byA4IGJ5dGVzIG9uIG91dHB1dCBlbmRwb2ludHMg b2YgYW55IGtpbmQgd2l0aCB3TWF4UGFja2V0U2l6ZQo+ICsgKiA+PSA4IGJ5dGVzLgo+ICsgKi8K PiArc3RhdGljIGludCB4aGNpX21hcF91cmJfZm9yX2RtYShzdHJ1Y3QgdXNiX2hjZCAqaGNkLCBz dHJ1Y3QgdXJiICp1cmIsCj4gKwkJCQlnZnBfdCBtZW1fZmxhZ3MpCj4gK3sKPiArCWlmICh4aGNp X3VyYl9zdWl0YWJsZV9mb3JfaWR0KHVyYikpCj4gKwkJcmV0dXJuIDA7Cj4gKwo+ICsJcmV0dXJu IHVzYl9oY2RfbWFwX3VyYl9mb3JfZG1hKGhjZCwgdXJiLCBtZW1fZmxhZ3MpOwo+ICt9Cgpkb24n dCB5b3UgbmVlZCBhIG1hdGNoaW5nIHVubWFwX3VyYl9mb3JfZG1hKCk/PwoKPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy91c2IvaG9zdC94aGNpLmggYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2kuaAo+IGlu ZGV4IDY1MmRjMzZlMzAxMi4uOWQ3N2IwOTAxYWI3IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvdXNi L2hvc3QveGhjaS5oCj4gKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLmgKPiBAQCAtMTI5NSw2 ICsxMjk1LDggQEAgZW51bSB4aGNpX3NldHVwX2RldiB7Cj4gICNkZWZpbmUgVFJCX0lPQwkJCSgx PDw1KQo+ICAvKiBUaGUgYnVmZmVyIHBvaW50ZXIgY29udGFpbnMgaW1tZWRpYXRlIGRhdGEgKi8K PiAgI2RlZmluZSBUUkJfSURUCQkJKDE8PDYpCj4gKy8qIFREcyBzbWFsbGVyIHRoYW4gdGhpcyBt aWdodCB1c2UgSURUICovCgpUZWNobmljYWxseSwgIlREcyBhdCBtb3N0IHRoaXMiIHNpbmNlIHlv dSdyZSA4IGl0c2VsZiBpcyBhbiBhbGxvd2VkCnNpemUuCg==