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: [v3,3/3] usb: typec: tcpm: charge current handling for sink during hard reset From: Heikki Krogerus Message-Id: <20181102132847.GC6543@kuha.fi.intel.com> Date: Fri, 2 Nov 2018 15:28:47 +0200 To: Badhri Jagan Sridharan Cc: Rob Herring , Mark Rutland , Greg Kroah-Hartman , Chanwoo Choi , Andrzej Hajda , Li Jun , linux@roeck-us.net, jackp@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gTW9uLCBPY3QgMDEsIDIwMTggYXQgMTI6NDU6MDFQTSAtMDcwMCwgQmFkaHJpIEphZ2FuIFNy aWRoYXJhbiB3cm90ZToKPiBEdXJpbmcgdGhlIGluaXRpYWwgY29ubmVjdCB0byBhIG5vbi1wZCBw b3J0LCBzaW5rIHdvdWxkIGhhcmQgcmVzZXQKPiB0d2ljZSBiZWZvcmUgZGVlbWluZyB0aGF0IHRo ZSBwb3J0IHBhcnRuZXIgaXMgbm9uLXBkLiBUQ1BNIHNldHMgdGhlCj4gdGhlIGNoYXJnZSBwYXRo IHRvIGZhbHNlIGR1cmluZyB0aGUgaGFyZCByZXNldC4gVGhpcyBjYXVzZXMgdW5uZWNlc3NhcnkK PiBjb25uZWN0cy9kaXNjb25uZWN0cyBvZiBjaGFyZ2UgcGF0aCBhbmQgbWFrZXMgcG9ydCB0YWtl IGxvbmdlciB0bwo+IGNoYXJnZSBmcm9tIHRoZSBub24tcGQgcG9ydHMuIEF2b2lkIHRoaXMgYnkg bm90IHNldHRpbmcgdGhlIGNoYXJnZSBwYXRoCj4gdG8gZmFsc2UgdW5sZXNzIHRoZSBwYXJ0bmVy IGhhcyBhbHJlYWR5IGlkZW50aWZpZWQgdG8gYmUgcGQgY2FwYWJsZS4KPiAKPiBXaGVuIHBhcnRu ZXIgaXMgYSBwZCBwb3J0LCBzZXQgdGhlIGNoYXJnZSBwYXRoIHRvIGZhbHNlIGluCj4gU05LX0hB UkRfUkVTRVRfU0lOS19PRkYuIFNldCB0aGUgY3VycmVudCBsaW1pdHMgdG8gZGVmYXVsdCB2YWx1 ZSBiYXNlZAo+IG9mIENDIHB1bGwgdXAgYW5kIHJlc3VtZSB0aGUgY2hhcmdlIHBhdGggd2hlbiBw b3J0IGVudGVycwo+IFNOS19IQVJEX1JFU0VUX1NJTktfT04uCj4gCj4gU2lnbmVkLW9mZi1ieTog QmFkaHJpIEphZ2FuIFNyaWRoYXJhbiA8YmFkaHJpQGdvb2dsZS5jb20+CgpSZXZpZXdlZC1ieTog SGVpa2tpIEtyb2dlcnVzIDxoZWlra2kua3JvZ2VydXNAbGludXguaW50ZWwuY29tPgoKPiAtLS0t LS0tLQo+IENoYW5nZXMgaW4gVjM6Cj4gUmViYXNlIG9uIHRvcCBvZiB1c2ItbmV4dAo+IAo+IENo YW5nZXMgaW4gVjI6Cj4gQmFzZWQgb24gZmVlZGJhY2sgb2YgamFja3BAY29kZWF1cm9yYS5vcmcK PiAtIHZzYWZlXzV2X2hhcmRfcmVzZXQgZmxhZyBmcm9tIHRjcGNfY29uZmlnIGlzIHJlbW92ZWQK PiAtIFBhdGNoIG9ubHkgZGlmZmVyZW50aWF0ZXMgYmV0d2VlbiBwZCBwb3J0IHBhcnRuZXIgYW5k IG5vbi1wZCBwb3J0Cj4gcGFydG5lcgo+IAo+IFYxIHZlcnNpb24gb2YgdGhlIHBhdGNoIGlzIGhl cmU6Cj4gaHR0cHM6Ly9sa21sLm9yZy9sa21sLzIwMTgvOS8xNC8xMQo+IC0tLQo+ICBkcml2ZXJz L3VzYi90eXBlYy90Y3BtL3RjcG0uYyB8IDkgKysrKysrKystCj4gIDEgZmlsZSBjaGFuZ2VkLCA4 IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91 c2IvdHlwZWMvdGNwbS90Y3BtLmMgYi9kcml2ZXJzL3VzYi90eXBlYy90Y3BtL3RjcG0uYwo+IGlu ZGV4IGMzYWMwZTQ2MTA2Yi4uYzI1YTY5OTIyZWU2IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvdXNi L3R5cGVjL3RjcG0vdGNwbS5jCj4gKysrIGIvZHJpdmVycy91c2IvdHlwZWMvdGNwbS90Y3BtLmMK PiBAQCAtMzI3Myw3ICszMjczLDggQEAgc3RhdGljIHZvaWQgcnVuX3N0YXRlX21hY2hpbmUoc3Ry dWN0IHRjcG1fcG9ydCAqcG9ydCkKPiAgCWNhc2UgU05LX0hBUkRfUkVTRVRfU0lOS19PRkY6Cj4g IAkJbWVtc2V0KCZwb3J0LT5wcHNfZGF0YSwgMCwgc2l6ZW9mKHBvcnQtPnBwc19kYXRhKSk7Cj4g IAkJdGNwbV9zZXRfdmNvbm4ocG9ydCwgZmFsc2UpOwo+IC0JCXRjcG1fc2V0X2NoYXJnZShwb3J0 LCBmYWxzZSk7Cj4gKwkJaWYgKHBvcnQtPnBkX2NhcGFibGUpCj4gKwkJCXRjcG1fc2V0X2NoYXJn ZShwb3J0LCBmYWxzZSk7Cj4gIAkJdGNwbV9zZXRfcm9sZXMocG9ydCwgcG9ydC0+c2VsZl9wb3dl cmVkLCBUWVBFQ19TSU5LLAo+ICAJCQkgICAgICAgVFlQRUNfREVWSUNFKTsKPiAgCQkvKgo+IEBA IC0zMzA1LDYgKzMzMDYsMTIgQEAgc3RhdGljIHZvaWQgcnVuX3N0YXRlX21hY2hpbmUoc3RydWN0 IHRjcG1fcG9ydCAqcG9ydCkKPiAgCQkgKiBTaW1pbGFyLCBkdWFsLW1vZGUgcG9ydHMgaW4gc291 cmNlIG1vZGUgc2hvdWxkIHRyYW5zaXRpb24KPiAgCQkgKiB0byBQRV9TTktfVHJhbnNpdGlvbl90 b19kZWZhdWx0Lgo+ICAJCSAqLwo+ICsJCWlmIChwb3J0LT5wZF9jYXBhYmxlKSB7Cj4gKwkJCXRj cG1fc2V0X2N1cnJlbnRfbGltaXQocG9ydCwKPiArCQkJCQkgICAgICAgdGNwbV9nZXRfY3VycmVu dF9saW1pdChwb3J0KSwKPiArCQkJCQkgICAgICAgNTAwMCk7Cj4gKwkJCXRjcG1fc2V0X2NoYXJn ZShwb3J0LCB0cnVlKTsKPiArCQl9Cj4gIAkJdGNwbV9zZXRfYXR0YWNoZWRfc3RhdGUocG9ydCwg dHJ1ZSk7Cj4gIAkJdGNwbV9zZXRfc3RhdGUocG9ydCwgU05LX1NUQVJUVVAsIDApOwo+ICAJCWJy ZWFrOwo+IC0tIAo+IDIuMTkuMC42MDUuZzAxZDM3MWY3NDEtZ29vZwoKdGhhbmtzLAo=