From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: i2c-omap.c vs. qemu: too much work in one irq (and broken boot) Date: Mon, 2 Oct 2017 00:19:35 +0200 Message-ID: <20171001221935.GA29628@amd> References: <20171001204215.GA9928@amd> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="HcAYCG3uE/tztfnV" Return-path: Content-Disposition: inline In-Reply-To: <20171001204215.GA9928@amd> Sender: linux-kernel-owner@vger.kernel.org To: pali.rohar@gmail.com, sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, clayton@craftyguy.net, martijn@brixit.nl, sakari.ailus@linux.intel.com, wsa@the-dreams.de, linux-i2c@vger.kernel.org, balbi@ti.com, jlu@pengutronix.de, bigeasy@linutronix.de List-Id: linux-i2c@vger.kernel.org --HcAYCG3uE/tztfnV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > I'm trying to get qemu emulation of Nokia N900 to work, but > unfortunately i2c-omap.c breaks boot in the emulator (real hardware > works ok). I started bisection. v4.6 works, v4.7 is broken. (It still may be config difference or something). This looked suspect, so I tried reverting it, but it did not help. And it is only significant change in i2c-omap.c. So... this may be a lot of fun. commit 126a66caec4a00b8d66dbc3174b0efa905cf68c3 Author: Sebastian Andrzej Siewior Date: Mon Apr 4 16:55:23 2016 +0300 Unfortunately, mmc is broken in v4.6, so its useless for emulation... [ 3.236724] mmc1: error -22 whilst initialising SDIO card Ideas? Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --HcAYCG3uE/tztfnV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlnRafcACgkQMOfwapXb+vL0sACgxLfjEGYeg02Iw8EacisoBGBs G2AAn1WRWKA5MIilbXuSbKM46Fft8HwR =aEzS -----END PGP SIGNATURE----- --HcAYCG3uE/tztfnV--