Hi, On 01/16/2016 12:01 AM, Ludovic Desroches wrote: > On Tue, Dec 22, 2015 at 02:24:53PM +0100, Ludovic Desroches wrote: >> Hi guys, >> >> I have recently added PM support for my driver but I don't have the >> behavior I was expecting. I am wondering if I didn't do something wrong. >> >> I have implemented runtime_suspend in a very simple way, I call >> sdhci_runtime_suspend_host() and I disable the clocks. It works pretty >> well with the eMMC which is non removable but with a SD card... If I >> have my SD card present on boot time, it is detected but >> insertion/removal is not detected. >> >> Having a look to sdhci_runtime_suspend_host() internal, all the >> interruptions are disabled expecting the card interrupt if it has been >> set earlier. >> >> From my understanding, it means that if there is no activity on sdhci, >> we will go to suspend and then we could wake up only on a software event >> (or a sdio interrupt). How to manage card insertion/removal in this >> case? My problem is so huge, I have probably missed something... Is there any detection method for SD-card(removable card)? Doesn't use Card-detect pin or Polling..? Best Regards, Jaehoon Chung >> >> Moreover, to avoid system PM, I have used pm_runtime_force_suspend but I >> could not wake up on card insertion/removal too. Do I have to use system >> PM if I want to manage this case? >> >> Thanks for your advices. >> >> Regards >> >> Ludovic > > > Any feedback? > > > Ludovic > -- > 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
