From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Tue, 3 Oct 2017 11:38:24 +0200 Subject: i2c-omap.c vs. qemu: too much work in one irq (and broken boot) In-Reply-To: <20171002072331.GB25930@pali> References: <20171001204215.GA9928@amd> <20171001221935.GA29628@amd> <20171002072331.GB25930@pali> Message-ID: <20171003093824.GA3769@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > Hi! You can apply special patch to make mmc work in both qemu and real > N900 device for previous kernel versions... > > https://github.com/pali/linux-n900/commit/eb080ecdcfc5868d8e36d0f5f42d9cb7f13b4db9 Thanks a lot, this fixes mmc for me. But I'm still stuck with v4.6 kernel for qemu. Do newer kernels work there for anyone? Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: