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: [1/2] typec: tcpm: Do not disconnect link for self powered devices From: Guenter Roeck Message-Id: <20180913175108.GA11749@roeck-us.net> Date: Thu, 13 Sep 2018 10:51:08 -0700 To: Heikki Krogerus Cc: Badhri Jagan Sridharan , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVGh1LCBTZXAgMTMsIDIwMTggYXQgMDQ6MjQ6MDhQTSArMDMwMCwgSGVpa2tpIEtyb2dlcnVz IHdyb3RlOgo+ICtHdWVudGVyCj4gCj4gT24gV2VkLCBTZXAgMTIsIDIwMTggYXQgMDc6MTE6MTJQ TSAtMDcwMCwgQmFkaHJpIEphZ2FuIFNyaWRoYXJhbiB3cm90ZToKPiA+IER1cmluZyBIQVJEX1JF U0VUIHRoZSBkYXRhIGxpbmsgaXMgZGlzY29ubmVjdGVkLgo+ID4gRm9yIHNlbGYgcG93ZXJlZCBk ZXZpY2UsIHRoZSBzcGVjIGlzIGFkdmlzaW5nIGFnYWluc3QgZG9pbmcgdGhhdC4KPiA+IAo+ID4g PkZyb20gVVNCX1BEX1IzXzAKPiA+IDcuMS41IFJlc3BvbnNlIHRvIEhhcmQgUmVzZXRzCj4gPiBE ZXZpY2Ugb3BlcmF0aW9uIGR1cmluZyBhbmQgYWZ0ZXIgYSBIYXJkIFJlc2V0IGlzIGRlZmluZWQg YXMgZm9sbG93czoKPiA+IFNlbGYtcG93ZXJlZCBkZXZpY2VzIFNob3VsZCBOb3QgZGlzY29ubmVj dCBmcm9tIFVTQiBkdXJpbmcgYSBIYXJkIFJlc2V0Cj4gPiAoc2VlIFNlY3Rpb24gOS4xLjIpLgo+ ID4gQnVzIHBvd2VyZWQgZGV2aWNlcyB3aWxsIGRpc2Nvbm5lY3QgZnJvbSBVU0IgZHVyaW5nIGEg SGFyZCBSZXNldCBkdWUgdG8gdGhlCj4gPiBsb3NzIG9mIHRoZWlyIHBvd2VyIHNvdXJjZS4KPiA+ IAo+ID4gVGFja2xlIHRoaXMgYnkgbGV0dGluZyBUQ1BNIGtub3cgd2hldGhlciB0aGUgZGV2aWNl IGlzIHNlbGYgb3IgYnVzIHBvd2VyZWQuCj4gPiAKPiA+IFRoaXMgb3ZlcmNvbWVzIHVubmVjZXNz YXJ5IHBvcnQgZGlzY29ubmVjdGlvbnMgZnJvbSBoYXJkIHJlc2V0Lgo+ID4gQWxzbywgc3BlZWRz IHVwIHRoZSBlbnVtZXJhdGlvbiB0aW1lIHdoZW4gY29ubmVjdGVkIHRvIFR5cGUtQSBwb3J0cy4K PiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogQmFkaHJpIEphZ2FuIFNyaWRoYXJhbiA8QmFkaHJpQGdv b2dsZS5jb20+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL3VzYi90eXBlYy90Y3BtLmMgfCA2ICsrKysr LQo+ID4gIGluY2x1ZGUvbGludXgvdXNiL3RjcG0uaCB8IDEgKwo+ID4gIDIgZmlsZXMgY2hhbmdl ZCwgNiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9k cml2ZXJzL3VzYi90eXBlYy90Y3BtLmMgYi9kcml2ZXJzL3VzYi90eXBlYy90Y3BtLmMKPiA+IGlu ZGV4IDRmMWY0MjE1ZjNkNi4uYTRlMGMwMjdhMmE5IDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy91 c2IvdHlwZWMvdGNwbS5jCj4gPiArKysgYi9kcml2ZXJzL3VzYi90eXBlYy90Y3BtLmMKPiA+IEBA IC0zMjcwLDcgKzMyNzAsMTEgQEAgc3RhdGljIHZvaWQgcnVuX3N0YXRlX21hY2hpbmUoc3RydWN0 IHRjcG1fcG9ydCAqcG9ydCkKPiA+ICAJCW1lbXNldCgmcG9ydC0+cHBzX2RhdGEsIDAsIHNpemVv Zihwb3J0LT5wcHNfZGF0YSkpOwo+ID4gIAkJdGNwbV9zZXRfdmNvbm4ocG9ydCwgZmFsc2UpOwo+ ID4gIAkJdGNwbV9zZXRfY2hhcmdlKHBvcnQsIGZhbHNlKTsKPiA+IC0JCXRjcG1fc2V0X3JvbGVz KHBvcnQsIGZhbHNlLCBUWVBFQ19TSU5LLCBUWVBFQ19ERVZJQ0UpOwo+ID4gKwo+ID4gKwkJaWYg KHBvcnQtPnRjcGMtPmNvbmZpZy0+c2VsZl9wb3dlcmVkKQo+IAo+IEFkZCBhIG1lbWJlciBmb3Ig dGhhdCBmbGFnIHRvIHRoZSBzdHJ1Y3QgdGNwbV9wb3J0LCBhbmQgY2hlY2sgdGhhdAo+IGhlcmUg aW5zdGVhZC4gSSdsbCBleHBsYWluIHdoeSBiZWxvdy4KPiAKPiA+ICsJCQl0Y3BtX3NldF9yb2xl cyhwb3J0LCB0cnVlLCBUWVBFQ19TSU5LLCBUWVBFQ19ERVZJQ0UpOwo+ID4gKwkJZWxzZQo+ID4g KwkJCXRjcG1fc2V0X3JvbGVzKHBvcnQsIGZhbHNlLCBUWVBFQ19TSU5LLCBUWVBFQ19ERVZJQ0Up Owo+ID4gCgpNYXliZSBJIGFtIG1pc3Npbmcgc29tZXRoaW5nLCBidXQKCQl0Y3BtX3NldF9yb2xl cyhwb3J0LCBwb3J0LT5zZWxmX3Bvd2VyZWQsCgkJCSAgICAgICBUWVBFQ19TSU5LLCBUWVBFQ19E RVZJQ0UpOwpzaG91bGQgYWNjb21wbGlzaCB0aGUgc2FtZSAoYXNzdW1pbmcgdGhlIGZsYWcgaXMg bW92ZWQgdG8gdGNwbV9wb3J0KS4KCkRvZXMgdGhlIGNvZGUgYXQgU1JDX0hBUkRfUkVTRVRfVkJV U19PRkY6IGFsc28gaGF2ZSB0byBiZSBjaGFuZ2VkLApvciBvbmx5IFNOS19IQVJEX1JFU0VUX1NJ TktfT0ZGOiA/IEluIG90aGVyIHdvcmRzLCBkb2VzIHRoaXMgb25seQphcHBseSBpZiB0aGUgcG9y dCBpcyBhIHNpbmssIG9yIGFsc28gaWYgaXMgaXMgc291cmNlID8KCkd1ZW50ZXIKCj4gPiAgCQkv Kgo+ID4gIAkJICogVkJVUyBtYXkgb3IgbWF5IG5vdCB0b2dnbGUsIGRlcGVuZGluZyBvbiB0aGUg YWRhcHRlci4KPiA+ICAJCSAqIElmIGl0IGRvZXNuJ3QgdG9nZ2xlLCB0cmFuc2l0aW9uIHRvIFNO S19IQVJEX1JFU0VUX1NJTktfT04KPiA+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L3VzYi90 Y3BtLmggYi9pbmNsdWRlL2xpbnV4L3VzYi90Y3BtLmgKPiA+IGluZGV4IDdlN2ZiZmI4NGU4ZS4u NTBjNzRhNzdkYjU1IDEwMDY0NAo+ID4gLS0tIGEvaW5jbHVkZS9saW51eC91c2IvdGNwbS5oCj4g PiArKysgYi9pbmNsdWRlL2xpbnV4L3VzYi90Y3BtLmgKPiA+IEBAIC04OSw2ICs4OSw3IEBAIHN0 cnVjdCB0Y3BjX2NvbmZpZyB7Cj4gPiAgCWVudW0gdHlwZWNfcG9ydF9kYXRhIGRhdGE7Cj4gPiAg CWVudW0gdHlwZWNfcm9sZSBkZWZhdWx0X3JvbGU7Cj4gPiAgCWJvb2wgdHJ5X3JvbGVfaHc7CS8q IHRyeS57c3JjLHNua30gaW1wbGVtZW50ZWQgaW4gaGFyZHdhcmUgKi8KPiA+ICsJYm9vbCBzZWxm X3Bvd2VyZWQ7CS8qIHBvcnQgYmVsb25ncyB0byBhIHNlbGYgcG93ZXJlZCBkZXZpY2UgKi8KPiAK PiBJJ20gbm90IHN1cmUgd2Ugc2hvdWxkIGFkZCBhbnkgbW9yZSBtZW1iZXJzIHRvIHRoYXQgc3Ry dWN0dXJlLCBidXQKPiBtYXliZSBpdCdzIG5vdCBhIHByb2JsZW0gZm9yIG5vdy4gV2UgY2FuJ3Qg cXVpdGUgeWV0IGdldCByaWQgb2YgdGhhdAo+IHN0cnVjdHVyZS4KPiAKPiBZb3UgZG8gbmVlZCB0 byBpbnRyb2R1Y2UgYSBuZXcgZGV2aWNlIHByb3BlcnR5IGFscmVhZHkuIFRoZW4gcmVhZCB0aGUK PiB2YWx1ZSBmb3IgdGhhdCBuZXcgbWVtYmVyIHlvdSBhZGRlZCB0byBzdHJ1Y3QgdGNwbV9wb3J0 IGluCj4gdGNwbV9md19nZXRfY2FwcygpIGFuZCBpbiB0Y3BtX2NvcHlfY2FwcygpLgo+IAo+IAo+ IFRoYW5rcywKPiAKPiAtLSAKPiBoZWlra2kK