On 10/01/2015 01:10 AM, Mirza Krak wrote: > Hi again. > > Thank you for your response Ulf. > > I am going to start over though since I did not get everything right > the first time. > > As stated I am running the 4.1.5 Linux kernel and what I am actually > using is a SD card. The host driver is sdhci-esdhc-imx.c. > > And my initial issue was that on resume I get the following: > [ 31.848397] mmc0: card never left busy state > [ 31.848412] mmc0: error -110 during resume (card was removed?) > [ 31.848550] PM: resume of devices complete after 2062.936 msecs > [ 31.931086] PM: Finishing wakeup. > [ 31.931102] Restarting tasks ... done. > [ 31.954336] mmc0: card dade removed > [ 32.358711] mmc0: host does not support reading read-only switch, > assuming write-enable > [ 32.391857] mmc0: new SD card at address aaaa > [ 32.418228] mmcblk0: mmc0:aaaa SU02G 1.84 GiB > [ 32.446402] mmcblk0: p1 > [ 32.835907] EXT4-fs (mmcblk0p1): recovery complete > [ 32.840873] EXT4-fs (mmcblk0p1): mounted filesystem with ordered > data mode. Opts: (null) > > And that was the reason of my initial questions on what is supposed to > happen when suspending. Almost MMC cards supposed that should be removed. So we are using "non-removable" property in dt-file. By default, assume that card can be removed. Since sd-card can be changed during suspend. (we don't know whether card is changed or not if it doesn't register to wakeup source,) > > The card IS actually "removed" when in suspended state since we cut > the power-rail completely to the SD card. > > I assume that this is a sdhci-esdhc-imx issue, but then I wonder what > would be a proper fix for this. Sorry, i don't fully understand what problem you want to fix. :) Best Regards, Jaehoon Chung > > As stated before I get around this problem by adding a HACK to force > removal of the SD card before suspending in mmc_pm_notify. > > Sorry if I am spamming but I am trying to learn :). > > Best Regards > > Mirza Krak > -- > 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 > -- 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
