From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtprelay.synopsys.com ([198.182.47.9]:42432 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754533AbbFWKmQ (ORCPT ); Tue, 23 Jun 2015 06:42:16 -0400 Received: from dc8secmta2.synopsys.com (dc8secmta2.synopsys.com [10.13.218.202]) by smtprelay.synopsys.com (Postfix) with ESMTP id 9999B24E0B3E for ; Tue, 23 Jun 2015 03:42:16 -0700 (PDT) Received: from dc8secmta2.internal.synopsys.com (dc8secmta2.internal.synopsys.com [127.0.0.1]) by dc8secmta2.internal.synopsys.com (Service) with ESMTP id 8C389A4112 for ; Tue, 23 Jun 2015 03:42:16 -0700 (PDT) Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by dc8secmta2.internal.synopsys.com (Service) with ESMTP id 735FFA4102 for ; Tue, 23 Jun 2015 03:42:16 -0700 (PDT) Received: from mailhost.synopsys.com (localhost [127.0.0.1]) by mailhost.synopsys.com (Postfix) with ESMTP id 661AEEA6 for ; Tue, 23 Jun 2015 03:42:16 -0700 (PDT) Received: from US01WEHTC2.internal.synopsys.com (us01wehtc2-vip.internal.synopsys.com [10.12.239.238]) by mailhost.synopsys.com (Postfix) with ESMTP id 5EEA3EA5 for ; Tue, 23 Jun 2015 03:42:16 -0700 (PDT) Message-ID: <55893803.6080407@synopsys.com> Date: Tue, 23 Jun 2015 11:42:11 +0100 From: Joao Pinto MIME-Version: 1.0 To: Subject: Request for help: HDLCD Controller Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi! I am developing a system in which the video support is made through two ARM' HDLCD Controller and two TDA998x HDMI PHYs. When I try to load ARM' HDLCD driver (hdlcd), it fails when it tries to bind with the drm subsystem: root@genericarmv8:~# modprobe hdlcd [drm] found ARM HDLCD version r0p0 hdlcd 7ff50000.hdlcd: master bind failed: -517 [drm] found ARM HDLCD version r0p0 hdlcd 7ff60000.hdlcd: master bind failed: -517 The kernel has the controllers mapped in the I2C bus: root@genericarmv8:/sys/bus/i2c/drivers/tda998x# ls -l total 0 lrwxrwxrwx 1 root root 0 Nov 6 00:44 0-0070 -> ../../../../devices/platform/7ffa0000.i2c/i2c-0/0-0070 lrwxrwxrwx 1 root root 0 Nov 6 00:44 0-0071 -> ../../../../devices/platform/7ffa0000.i2c/i2c-0/0-0071 --w------- 1 root root 4096 Nov 6 00:44 bind --w------- 1 root root 4096 Nov 6 00:44 uevent --w------- 1 root root 4096 Nov 6 00:44 unbind I know that this driver is not supported in the mainline yet, but did anyone face a similar problem? Thank you very much for your time! Regards, Joao