From owner-freebsd-arm@freebsd.org Thu Feb 18 19:56:40 2016 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8FDBBAAD598 for ; Thu, 18 Feb 2016 19:56:40 +0000 (UTC) (envelope-from karl@denninger.net) Received: from mail.denninger.net (wsip-70-169-168-7.pn.at.cox.net [70.169.168.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 425DFB3B for ; Thu, 18 Feb 2016 19:56:39 +0000 (UTC) (envelope-from karl@denninger.net) Received: from [192.168.1.40] (Karl-Desktop.Denninger.net [192.168.1.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.denninger.net (Postfix) with ESMTPSA id 5598C238707 for ; Thu, 18 Feb 2016 13:46:56 -0600 (CST) Subject: Re: Including ds133x driver on RPI2 hangs kernel To: freebsd-arm@freebsd.org References: From: Karl Denninger Message-ID: <56C61F9C.6020909@denninger.net> Date: Thu, 18 Feb 2016 13:46:36 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-512; boundary="------------ms020908050905090101000309" X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2016 19:56:40 -0000 This is a cryptographically signed message in MIME format. --------------ms020908050905090101000309 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2/18/2016 13:45, Tom Sparks wrote: > I recently purchased some i2c RTCs for my RPI2, so in building a kernel= to > support it I discovered that just including the driver hangs the kernel= on > boot. > > It doesn't matter if the rtc is connected or not, the kernel just fails= to > complete the boot process. > > When the driver isn't in the kernel, probing the i2c bus doesn't show a= ny > devices anyways so not sure if this is an i2c problem on the RPI2 or if= its > just a general problem with this driver. > > I'm happy to test patches/etc. > I2c definitely works on the RPI2 under 11-CURRENT; I use it for an analog board on my pool controller. --=20 Karl Denninger karl@denninger.net /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms020908050905090101000309 Content-Type: application/pkcs7-signature; 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