From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH] i2c: of: Try to find an I2C adapter matching the parent Date: Tue, 25 Sep 2018 18:06:11 +0200 Message-ID: <20180925160611.17736-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Wolfram Sang Cc: rechner@vlado-do.de, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org List-Id: linux-i2c@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCklmIGFuIEkyQyBhZGFw dGVyIGRvZXNuJ3QgbWF0Y2ggdGhlIHByb3ZpZGVkIGRldmljZSB0cmVlIG5vZGUsIGFsc28gdHJ5 Cm1hdGNoaW5nIHRoZSBwYXJlbnQncyBkZXZpY2UgdHJlZSBub2RlLiBUaGlzIGFsbG93cyBmaW5k aW5nIGFuIGFkYXB0ZXIKYmFzZWQgb24gdGhlIGRldmljZSBub2RlIG9mIHRoZSBwYXJlbnQgZGV2 aWNlIHRoYXQgd2FzIHVzZWQgdG8gcmVnaXN0ZXIKaXQuCgpTaWduZWQtb2ZmLWJ5OiBUaGllcnJ5 IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KSGkgV29sZnJhbSwKClRoaXMgaXMgYSBm aXggZm9yIHRoZSBpc3N1ZSBkaXNjdXNzZWQgaW4gYSBsb25nIGVtYWlsIHRocmVhZCBhIGNvdXBs ZSBvZgptb250aHMgYWdvLiBJbiBhIG51dHNoZWxsIHRoZSBpc3N1ZSBpcyB0aGF0IHdlIHdhbnQg dG8gYmUgYWJsZSB0byBmaW5kIGEKSTJDLW92ZXItQVVYIGFkYXB0ZXIgYmFzZWQgb24gdGhlIGRl dmljZSB0cmVlIG5vZGUgKHRoaXMgaXMgdG8gaG9vayB1cCBhCkkyQyBhZGFwdGVyIGZvciB1c2Ug YXMgRERDIHRvIHF1ZXJ5IEVESUQgZnJvbSBhIGRpc3BsYXkgcGFuZWwsIGZvcgpleGFtcGxlKS4K CkhlcmUncyBhIGxpbmsgdG8gdGhlIHByaW9yIGRpc2N1c3Npb24sIHdoaWNoIGVuZGVkIHVwIGdl dHRpbmcgc3BsaXQgaW50bwp0d28gZm9yIHNvbWUgcmVhc29uLCBwb3NzaWJseSBiZWNhdXNlIHRo ZSBpbml0aWFsIHN1Ym1pc3Npb24gYW5kCnN1YnNlcXVlbnQgZGlzY3Vzc2lvbiB0b29rIHBsYWNl IG92ZXIgYW4gZXh0ZW5kZWQgcGVyaW9kIG9mIHRpbWU6CgoJaHR0cHM6Ly9wYXRjaHdvcmsua2Vy bmVsLm9yZy9wYXRjaC85NTE2MTA1LwoJaHR0cHM6Ly9wYXRjaHdvcmsua2VybmVsLm9yZy9wYXRj aC8xMDIwMDg3OS8KCkkgbmV2ZXIgZ290IGFyb3VuZCB0byBzdWJtaXR0aW5nIHRoZSBwYXRjaCBw cm9wZXJseSwgYnV0IGhlcmUgaXQgaXMuIEFzCm1lbnRpb25lZCBpbiB0aGUgZGlzY3Vzc2lvbiBs aW5rZWQgdG8gYWJvdmUsIEkgdGhpbmsgdGhlIHByb2JsZW0gaGVyZSBpcwp0aGF0IHRoZSBuZXcg bG9va3VwIHZpYSB0aGUgcGFyZW50IGRldmljZSBvbmx5IGhhcHBlbnMgd2hlbiBsb29raW5nIGZv cgp0aGUgYWRhcHRlciBmcm9tIGl0cyBkZXZpY2UgdHJlZSBub2RlLiBIb3dldmVyLCB0aGlzIGFs c28gbWVhbnMgdGhhdCB0aGUKY2hpbGRyZW4gZm9yIHRoZSBjb250cm9sbGVyIHdvbid0IGJlIGFk ZGVkIGZvciB0aGVzZSBkZXZpY2VzLCBiZWNhdXNlIGl0Cm9ubHkgaGFwcGVucyBmb3IgYWRhcHRl cnMgdGhhdCBoYXZlIHRoZSBkZXYtPm9mX25vZGUgc2V0LCBub3QgZm9yIHRoZQpub2RlIHJlZmVy ZW5jZSBieSBkZXYtPnBhcmVudC0+b2Zfbm9kZS4gSG93ZXZlciwgSSdtIG5vdCBzdXJlIGlmIHRo YXQncwpyZWFsbHkgYSBwcm9ibGVtLiBBIGRldmljZSB0aGF0IGRvZXNuJ3QgaGF2ZSBkZXYtPm9m X25vZGUgc2V0IHdvdWxkIGJlIGEKInZpcnR1YWwiIEkyQyBidXMsIGFzIGluIHRoZSBjYXNlIG9m IEkyQy1vdmVyLUFVWC4gUHJvcGVyIEkyQyBidXNzZXMgYXJlCnN0aWxsIGdvaW5nIHRvIGhhdmUg dG8gaGF2ZSB0aGVpciBkZXYtPm9mX25vZGUgc2V0LCBvdGhlcndpc2UgYW55IGNoaWxkCmRldmlj ZXMgbGlzdGVkIGluIGRldmljZSB0cmVlIHdvbid0IGJlIGFkZGVkLgoKQW55d2F5LCBsZXQgbWUg a25vdyB3aGF0IHlvdSB0aGluayBvZiB0aGlzLiBBbHNvIGFkZGluZyBMdWNhcywgUm9iIGFuZApB bmRyemVqIHRvIHRoZSBkaXNjdXNzaW9uIHNpbmNlIHRoZXkgd2VyZSBpbnZvbHZlZCBiYWNrIGF0 IHRoZSB0aW1lLgoKVGhhbmtzLApUaGllcnJ5CgogZHJpdmVycy9pMmMvaTJjLWNvcmUtb2YuYyB8 IDExICsrKysrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvaTJjL2kyYy1jb3JlLW9mLmMgYi9kcml2ZXJzL2kyYy9pMmMtY29yZS1v Zi5jCmluZGV4IDZjYjdhZDYwOGJjZC4uMzdkMzQ4ODVlYTJkIDEwMDY0NAotLS0gYS9kcml2ZXJz L2kyYy9pMmMtY29yZS1vZi5jCisrKyBiL2RyaXZlcnMvaTJjL2kyYy1jb3JlLW9mLmMKQEAgLTEy MSw2ICsxMjEsMTQgQEAgc3RhdGljIGludCBvZl9kZXZfbm9kZV9tYXRjaChzdHJ1Y3QgZGV2aWNl ICpkZXYsIHZvaWQgKmRhdGEpCiAJcmV0dXJuIGRldi0+b2Zfbm9kZSA9PSBkYXRhOwogfQogCitz dGF0aWMgaW50IG9mX3BhcmVudF9ub2RlX21hdGNoKHN0cnVjdCBkZXZpY2UgKmRldiwgdm9pZCAq ZGF0YSkKK3sKKwlpZiAoZGV2LT5wYXJlbnQpCisJCXJldHVybiBkZXYtPnBhcmVudC0+b2Zfbm9k ZSA9PSBkYXRhOworCisJcmV0dXJuIDA7Cit9CisKIC8qIG11c3QgY2FsbCBwdXRfZGV2aWNlKCkg d2hlbiBkb25lIHdpdGggcmV0dXJuZWQgaTJjX2NsaWVudCBkZXZpY2UgKi8KIHN0cnVjdCBpMmNf Y2xpZW50ICpvZl9maW5kX2kyY19kZXZpY2VfYnlfbm9kZShzdHJ1Y3QgZGV2aWNlX25vZGUgKm5v ZGUpCiB7CkBAIC0xNDYsNiArMTU0LDkgQEAgc3RydWN0IGkyY19hZGFwdGVyICpvZl9maW5kX2ky Y19hZGFwdGVyX2J5X25vZGUoc3RydWN0IGRldmljZV9ub2RlICpub2RlKQogCXN0cnVjdCBpMmNf YWRhcHRlciAqYWRhcHRlcjsKIAogCWRldiA9IGJ1c19maW5kX2RldmljZSgmaTJjX2J1c190eXBl LCBOVUxMLCBub2RlLCBvZl9kZXZfbm9kZV9tYXRjaCk7CisJaWYgKCFkZXYpCisJCWRldiA9IGJ1 c19maW5kX2RldmljZSgmaTJjX2J1c190eXBlLCBOVUxMLCBub2RlLCBvZl9wYXJlbnRfbm9kZV9t YXRjaCk7CisKIAlpZiAoIWRldikKIAkJcmV0dXJuIE5VTEw7CiAKLS0gCjIuMTkuMAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==