On Thu, Sep 29, 2011 at 5:47 PM, Luca Tettamanti <kronos.it@xxxxxxxxx> wrote: > 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? And in case that makes sense, it might be worthwhile to refactor a common helper to be also used in do_mounts.c, e.g. dev_t wait_for_device(char *name) L -- 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
