Hi Stephen, On Tue, May 17, 2011 at 01:41:56PM -0700, Stephen Warren wrote: > Mike Rapoport wrote at Monday, May 16, 2011 2:23 PM: > > Hi Colin, > > Please consider pulling TrimSlice updates for 2.6.40 merge window. > > These patches add registration of i2c, audio and USB devices. > > Mike, a comment and a question: > > First off, your git branch isn't based on tegra's for-next branch, but > rather something much in the future of it. Hence, the merge brings in a > bunch of unrelated changes. It is a fast-forward though so it's > probably fine? My branch is based on recent Linus' tree. I presume Colin will reabse his -next on it before sending pull request... > Second, I tried to test this, but failed. I hit two issues: > > 1) USB didn't seem to work for me; the following prints continuously: > > [ 93.952248] usb 3-1: new high speed USB device number 126 using tegra-ehci > [ 94.022291] hub 3-0:1.0: unable to enumerate USB device on port 1 > > This means I can't use the built-in SSD as the root filesystem. > > I see this problem irrespective of whether I tell U-Boot to initialize > USB before booting or not. Yeah, this is caused by issue with USB1 port reset. Greg already took the patch that fixes it (1). > Which branches did you have merged to test this? I did: > > * Create a new branch from Tegra's for-next. > * Merge the branch from your pull request. > * Merge ASoC for-2.6.40 branch to pick up the audio driver. > * Cherry-pick a few I2C fixes I've been working on. I don't recall if > they are necessary for Trimslice or not, but shouldn't hurt. I'd rather take the ASoC for-2.6.40 and apply the first two patches + I2C fixes. > 2) I can boot into a recent ChromeOS filesystem on the SD card, and > see e.g. the audio driver initialize OK. However, both speaker-test > and aplay segfault immediately. They work fine on other HW, such as > Seaboard, with this disk image. I know this used to work on Trimslice > a few weeks back, so perhaps I'll go and try an older disk image. I've never tried audio with ChromiumOS. I've tested with Maverick and aplay didn't complain. > [1] http://www.mail-archive.com/linux-tegra@xxxxxxxxxxxxxxx/msg00581.html -- Sincerely yours, Mike. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
