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: smsc95xx: Add support for automated PHY address detection From: Marek Vasut Message-Id: <20180911101223.4217-1-marex@denx.de> Date: Tue, 11 Sep 2018 12:12:23 +0200 To: linux-usb@vger.kernel.org Cc: Marek Vasut , "David S . Miller" , Nisar Sayed , Woojung Huh List-ID: VGhlIFNNU0M5NXh4IGNoaXAgY2FuIHVzZSBlaXRoZXIgdGhlIGludGVybmFsIFBIWSBvciBhbiBl eHRlcm5hbCBvbmUuCkN1cnJlbnRseSwgdGhlIGRyaXZlciBoYXJkLWNvZGVzIHN1cHBvcnQgZm9y IHRoZSBpbnRlcm5hbCBQSFkgb25seS4KClRoaXMgcGF0Y2ggcmVhZHMgb3V0IHRoZSBIV19DRkcg cmVnaXN0ZXIgdG8gZGV0ZXJtaW5lIHdoZXRoZXIgZXh0ZXJuYWwKUEhZIGlzIGF0dGFjaGVkIG9y IG5vdC4gSWYgYW4gZXh0ZXJuYWwgUEhZIGlzIG5vdCBhdHRhY2hlZCwgdGhlIGRyaXZlcgpmYWxs cyBiYWNrIHRvIGludGVybmFsIFBIWSB3aXRoIGZpeGVkIFBIWSBhZGRyZXNzIDB4MS4KCklmIGFu IGV4dGVybmFsIFBIWSBpcyBhdHRhY2hlZCwgdGhlIGRyaXZlciBzY2FucyB0aGUgZW50aXJlIGFk ZHJlc3MKcmFuZ2Ugb2YgdGhlIE1ESU8gYnVzIHRvIGRldGVybWluZSB3aGV0aGVyIHRoZXJlIGlz IGEgdmFsaWQgZXh0ZXJuYWwKUEhZIGF0dGFjaGVkLiBUaGUgc2Nhbm5pbmcgaGFwcGVucyBmcm9t IHRoZSBlbmQgb2YgdGhlIGFkZHJlc3MgcmFuZ2UsCnNpbmNlIHNvbWUgUEhZcyBhbHNvIHJlc3Bv bmQgdG8gYWRkcmVzcyAwLCB3aGljaCBpcyBjb25zaWRlcmVkIGEgTURJTwpicm9hZGNhc3QgYWRk cmVzcyBieSB0aGVtLiBXZSB3YW50IHRvIG9idGFpbiB0aGVpciByZWFsIE1ESU8gYWRkcmVzcwpp bnN0ZWFkLgoKU2lnbmVkLW9mZi1ieTogTWFyZWsgVmFzdXQgPG1hcmV4QGRlbnguZGU+CkNjOiBE YXZpZCBTLiBNaWxsZXIgPGRhdmVtQGRhdmVtbG9mdC5uZXQ+CkNjOiBOaXNhciBTYXllZCA8Tmlz YXIuU2F5ZWRAbWljcm9jaGlwLmNvbT4KQ2M6IFdvb2p1bmcgSHVoIDxXb29qdW5nLkh1aEBtaWNy b2NoaXAuY29tPgotLS0KIGRyaXZlcnMvbmV0L3VzYi9zbXNjOTV4eC5jIHwgNDIgKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCA0MSBpbnNlcnRp b25zKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvdXNiL3Ntc2M5 NXh4LmMgYi9kcml2ZXJzL25ldC91c2Ivc21zYzk1eHguYwppbmRleCAwNmI0ZDI5MDc4NGQuLjAx NGJiNzFjZThhOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9uZXQvdXNiL3Ntc2M5NXh4LmMKKysrIGIv ZHJpdmVycy9uZXQvdXNiL3Ntc2M5NXh4LmMKQEAgLTk4Myw2ICs5ODMsNDAgQEAgc3RhdGljIGlu dCBzbXNjOTV4eF9zdGFydF9yeF9wYXRoKHN0cnVjdCB1c2JuZXQgKmRldiwgaW50IGluX3BtKQog CXJldHVybiBfX3Ntc2M5NXh4X3dyaXRlX3JlZyhkZXYsIE1BQ19DUiwgcGRhdGEtPm1hY19jciwg aW5fcG0pOwogfQogCitzdGF0aWMgaW50IHNtc2M5NXh4X3BoeV9hZGRyZXNzKHN0cnVjdCB1c2Ju ZXQgKmRldikKK3sKKwl1MzIgcmVhZF9idWY7CisJaW50IHJldCwgaWQxLCBpZDIsIHBoeWFkOwor CisJcmV0ID0gc21zYzk1eHhfcmVhZF9yZWcoZGV2LCBIV19DRkcsICZyZWFkX2J1Zik7CisJaWYg KHJldCA8IDApCisJCXJldHVybiByZXQ7CisKKwkvKiBDaGVjayBpZiB1c2luZyBleHRlcm5hbCBQ SFksIGlmIG5vdCwgdXNlIGludGVybmFsIFBIWSBhZGRyZXNzICovCisJaWYgKCEocmVhZF9idWYg JiBIV19DRkdfUFNFTF8pKQorCQlyZXR1cm4gU01TQzk1WFhfSU5URVJOQUxfUEhZX0lEOworCisJ LyoKKwkgKiBEZXRlY3QgZXh0ZXJuYWwgUEhZIGFkZHJlc3MuIEhlcmUgd2UgcHJvYmUgdGhlIE1E SU8gYnVzIGZyb20KKwkgKiB0aGUgaGlnaGVzdCBhZGRyZXNzLCBzaW5jZSBzb21lIFBIWXMgcmVz cG9uZCBhbHNvIG9uIGFkZHJlc3MKKwkgKiB6ZXJvLCB3aGljaCB0aGV5IGNvbnNpZGVyIE1ESU8g YnJvYWRjYXN0IGFkZHJlc3MuIFdlIHJlYWxseQorCSAqIHdhbnQgdG8gZ2V0IHRoZWlyIHByb3Bl ciBhZGRyZXNzIGluc3RlYWQgdGhvdWdoLCBzbyB3ZSBzY2FuCisJICogYWRkcmVzcyB6ZXJvIGxh c3QuCisJICovCisJZm9yIChwaHlhZCA9IDB4MWY7IHBoeWFkID49IDA7IHBoeWFkLS0pIHsKKwkJ aWQxID0gc21zYzk1eHhfbWRpb19yZWFkKGRldi0+bmV0LCBwaHlhZCwgTUlJX1BIWVNJRDEpOwor CQlpZDIgPSBzbXNjOTV4eF9tZGlvX3JlYWQoZGV2LT5uZXQsIHBoeWFkLCBNSUlfUEhZU0lEMik7 CisJCS8qIENoZWNrIGZvciB2YWxpZCByZXNwb25zZSBmcm9tIHRoZSBQSFkgKi8KKwkJaWYgKGlk MSA+IDAgJiYgaWQyID4gMCAmJiBpZDEgIT0gMHg3ZmZmICYmIGlkMiAhPSAweGZmZmYpCisJCQly ZXR1cm4gcGh5YWQ7CisJfQorCisJLyogTm8gUEhZIGZvdW5kLiAqLworCW5ldGRldl93YXJuKGRl di0+bmV0LCAiY2Fubm90IGRldGVjdCBhbnkgUEhZIik7CisKKwlyZXR1cm4gLUVOT0RFVjsKK30K Kwogc3RhdGljIGludCBzbXNjOTV4eF9waHlfaW5pdGlhbGl6ZShzdHJ1Y3QgdXNibmV0ICpkZXYp CiB7CiAJaW50IGJtY3IsIHJldCwgdGltZW91dCA9IDA7CkBAIC05OTMsNyArMTAyNywxMyBAQCBz dGF0aWMgaW50IHNtc2M5NXh4X3BoeV9pbml0aWFsaXplKHN0cnVjdCB1c2JuZXQgKmRldikKIAlk ZXYtPm1paS5tZGlvX3dyaXRlID0gc21zYzk1eHhfbWRpb193cml0ZTsKIAlkZXYtPm1paS5waHlf aWRfbWFzayA9IDB4MWY7CiAJZGV2LT5taWkucmVnX251bV9tYXNrID0gMHgxZjsKLQlkZXYtPm1p aS5waHlfaWQgPSBTTVNDOTVYWF9JTlRFUk5BTF9QSFlfSUQ7CisKKwkvKiBEZXRlcm1pbmUgUEhZ IGFkZHJlc3MgKi8KKwlyZXQgPSBzbXNjOTV4eF9waHlfYWRkcmVzcyhkZXYpOworCWlmIChyZXQp CisJCXJldHVybiByZXQ7CisKKwlkZXYtPm1paS5waHlfaWQgPSByZXQ7CiAKIAkvKiByZXNldCBw aHkgYW5kIHdhaXQgZm9yIHJlc2V0IHRvIGNvbXBsZXRlICovCiAJc21zYzk1eHhfbWRpb193cml0 ZShkZXYtPm5ldCwgZGV2LT5taWkucGh5X2lkLCBNSUlfQk1DUiwgQk1DUl9SRVNFVCk7Cg==