On 2014/8/5 0:52, Russell King - ARM Linux wrote: > On Tue, Aug 05, 2014 at 12:36:49AM +0800, Fu, Zhonghui wrote: >> Hi, Arend >> >> I investigated this issue, and its root cause is still that sdio >> controller can't receive interrupts from WiFi chip on sdio bus when >> sdio controller is in runtime suspend status. I am running 3.16-rc5 >> linux kernel on ASUS T100TA tablet, and using sdhci-acpi driver. > That's the root cause. I fixed this with the Freescale i.MX SD driver > which is now able to report pending SDIO interrupts while runtime PM > suspended. > > Other host drivers probably need fixing too, or having runtime PM > disabled on them - if you can't receive SDIO interrupts while runtime > PM suspended, then entering runtime PM while you have a SDIO device > attached is a bug. > > This is something for the MMC people to deal with rather than Arend. > Yes, this should be sdhci-acpi bug, I will contact MMC people for this issue. Thanks, Zhonghui -- 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
