On Thu, Sep 29, 2011 at 11:29 AM, Barry Song <Barry.Song@xxxxxxx> wrote: > From: Barry Song <baohua.song@xxxxxxx> > > Some devices like mmc are async detected very slow. For example, > drivers/mmc/host/sdhci.c launchs a 200ms delayed work to detect > mmc partitions then add disk. > > we do have wait_for_device_probe and scsi_complete_async_scans > before calling swsusp_check, but it is not enough to wait mmc. > > This patch adds resumewait kernel param just like rootwait so > that we have enough time to wait mmc ready. The differene is > here we wait for resume partition but rootwait waits for rootfs > partition. I assume that such a device would need "rootwait" to boot in the first place; why don't you "overload" the param to also enable waiting in the resume path? Luca -- 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