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] usb: typec: tcpm: match source fixed pdo with sink variable pdo From: Jun Li Message-Id: <1520899370-11408-1-git-send-email-jun.li@nxp.com> Date: Tue, 13 Mar 2018 08:02:50 +0800 To: gregkh@linuxfoundation.org, hdegoede@redhat.com, linux@roeck-us.net, heikki.krogerus@linux.intel.com, Adam.Thomson.Opensource@diasemi.com, Badhri@google.com Cc: linux-usb@vger.kernel.org, linux-imx@nxp.com List-ID: VGhpcyBwYXRjaCB0cmllcyB0byBmaXggdGhlIHByb2JsZW0gZGVzY3JpYmxlZCBvbiByZXZlcnQg cGF0Y2ggY29tbWl0WzFdLApzdXBwb3NlIGFueSBzdXBwb3J0ZWQgdm9sdGFnZSByYW5nZXMgb2Yg c2luayBzaG91bGQgYmUgZGVzY3JpYmxlZCBieQp2YXJpYWJsZSBwZG8sIHNvIGluc3RlYWQgb2Yg cmV2ZXJ0IHRoZSBwYXRjaCBvZiBvbmx5IGNvbXBhcmluZyBzb3VyY2UgYW5kCnNpbmsgcGRvIHRv IHNlbGVjdCBvbmUgc291cmNlIHBkbywgdGhpcyBwYXRjaCBhZGRzIHRoZSBtYXRjaCBiZXR3ZWVu IHNvdXJjZQpmaXhlZCBwZG8gYW5kIHNpbmsgdmFyaWFibGUgcGRvLgoKWzFdIGh0dHBzOi8vd3d3 LnNwaW5pY3MubmV0L2xpc3RzL2xpbnV4LXVzYi9tc2cxNjYzNjYuaHRtbAoKQ0M6IEhhbnMgZGUg R29lZGUgPGhkZWdvZWRlQHJlZGhhdC5jb20+CkNDOiBHdWVudGVyIFJvZWNrIDxsaW51eEByb2Vj ay11cy5uZXQ+CkNDOiBIZWlra2kgS3JvZ2VydXMgPGhlaWtraS5rcm9nZXJ1c0BsaW51eC5pbnRl bC5jb20+CkNDOiBBZGFtIFRob21zb24gPEFkYW0uVGhvbXNvbi5PcGVuc291cmNlQGRpYXNlbWku Y29tPgpDQzogQmFkaHJpIEphZ2FuIFNyaWRoYXJhbiA8QmFkaHJpQGdvb2dsZS5jb20+ClNpZ25l ZC1vZmYtYnk6IExpIEp1biA8anVuLmxpQG54cC5jb20+Ci0tLQogZHJpdmVycy91c2IvdHlwZWMv dGNwbS5jIHwgMzEgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5n ZWQsIDMxIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi90eXBlYy90Y3Bt LmMgYi9kcml2ZXJzL3VzYi90eXBlYy90Y3BtLmMKaW5kZXggZWYzYTYwZC4uOGE3NGE0MyAxMDA2 NDQKLS0tIGEvZHJpdmVycy91c2IvdHlwZWMvdGNwbS5jCisrKyBiL2RyaXZlcnMvdXNiL3R5cGVj L3RjcG0uYwpAQCAtMTgxNSw2ICsxODE1LDM3IEBAIHN0YXRpYyBpbnQgdGNwbV9wZF9zZWxlY3Rf cGRvKHN0cnVjdCB0Y3BtX3BvcnQgKnBvcnQsIGludCAqc2lua19wZG8sCiAJCQkJCWJyZWFrOwog CQkJCX0KIAkJCX0KKworCQkJLyoKKwkJCSAqIElmIHRoZSBzb3VyY2UgcGRvIGhhcyB0aGUgc2Ft ZSB2b2x0YWdlIHdpdGggb25lCisJCQkgKiBmaXhlZCBwZG8sIG5vIG5lZWQgY2hlY2sgdmFyaWFi bGUgcGRvIGZvciBpdC4KKwkJCSAqLworCQkJaWYgKGogPCBwb3J0LT5ucl9maXhlZCkKKwkJCQlj b250aW51ZTsKKworCQkJZm9yIChqID0gcG9ydC0+bnJfZml4ZWQgKworCQkJCSBwb3J0LT5ucl9i YXR0OworCQkJICAgICBqIDwgcG9ydC0+bnJfZml4ZWQgKworCQkJCSBwb3J0LT5ucl9iYXR0ICsK KwkJCQkgcG9ydC0+bnJfdmFyOworCQkJICAgICBqKyspIHsKKwkJCQlpZiAocGRvX2ZpeGVkX3Zv bHRhZ2UocGRvKSA+PQorCQkJCSAgICAgcGRvX21pbl92b2x0YWdlKHBvcnQtPnNua19wZG9bal0p ICYmCisJCQkJICAgICBwZG9fZml4ZWRfdm9sdGFnZShwZG8pIDw9CisJCQkJICAgICBwZG9fbWF4 X3ZvbHRhZ2UocG9ydC0+c25rX3Bkb1tqXSkpIHsKKwkJCQkJbWEgPSBtaW5fY3VycmVudChwZG8s IHBvcnQtPnNua19wZG9bal0pOworCQkJCQltdiA9IHBkb19maXhlZF92b2x0YWdlKHBkbyk7CisJ CQkJCW13ID0gbWEgKiBtdiAvIDEwMDA7CisJCQkJCWlmIChtdyA+IG1heF9tdyB8fAorCQkJCQkg ICAgKG13ID09IG1heF9tdyAmJiBtdiA+IG1heF9tdikpIHsKKwkJCQkJCXJldCA9IDA7CisJCQkJ CQkqc3JjX3BkbyA9IGk7CisJCQkJCQkqc2lua19wZG8gPSBqOworCQkJCQkJbWF4X213ID0gbXc7 CisJCQkJCQltYXhfbXYgPSBtdjsKKwkJCQkJfQorCQkJCX0KKwkJCX0KIAkJfSBlbHNlIGlmICh0 eXBlID09IFBET19UWVBFX0JBVFQpIHsKIAkJCWZvciAoaiA9IHBvcnQtPm5yX2ZpeGVkOwogCQkJ ICAgICBqIDwgcG9ydC0+bnJfZml4ZWQgKwo=