* Balaji T K <balajitk@xxxxxx> [140226 00:48]: > On Wednesday 26 February 2014 12:25 PM, Stefan Roese wrote: > >Hi Sebastian, > > > >On 26.02.2014 07:02, Michael Trimarchi wrote: > >>Hi Sebastian > >> > >>On Wed, Feb 26, 2014 at 12:47 AM, Sebastian Reichel <sre@xxxxxxxx> wrote: > >>>Hi, > >>> > >>>I have problems with the SD-card initialization on my Nokia N900 > >>>using a 3.14-rc1 based kernel in DT boot mode. The bug is can be > >>>circumvented by changing the kernel slightly (e.g. remove some DT > >>>nodes or mark them as disabled). So the SD card's timeout problems > >>>seem to derive from kernel timing problems. I'm pretty sure, that > >>>the problems are not originating from a broken SD card, since > > Can you provide removed/Disabled dt nodes, it might give some clue ? > > >>> > >>> 1. The SD card worked quite good before and still does depending > >>> on unrelated DTS changes (=> loading less drivers). > >>> 2. The SD card works flawlessly on my notebook using a USB adapter > >>> 3. Another SD card showed the same problem > >>> > >>>I tried to git bisect the problem, but I just get shown some > >>>unrelated driver additions. > >>> > >>>Anyways, this is the error I get during boot: > >>> > >>>[ 3.896820] mmc0: mmc_rescan_try_freq: trying to init card at 400000 Hz > >>>... > >>>[ 5.956237] mmc0: error -110 whilst initialising SD card > >>> > >> > >>Are you sure that some subsystem that you deactivate don't change > >>pin muxing setting? Can you check in the broken system if the pins of the sdcard > >>are correctly muxed? Does it happen even if you change the sdcard? > > > >Did you try to add this patch series: > > > >http://www.spinics.net/lists/linux-omap/msg103264.html > > > >Without it I'm also having problems with MMC detection on some OMAP3 based boards. > > > >Balaji, what is the status of this patch series? Are there any chances that it will be included in v3.14? > > > > Due to dependencies between regulator, mmc, omap def config, devicetree changes, > I am hoping either Chris or Tony pick the whole series for 3.15 Best that Chris takes it all, I just acked the only patch that did not have my ack yet. > Couple of tested-by will surely help. Yeah please ack in the thread above if you did not already. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
