Re: [PATCH 3/3] x86: usb handoff in early_quirk

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Jan 09, 2011 at 11:59:56AM -0800, Yinghai Lu wrote:
> 
> some systems keep getting
>   APIC calibration not consistent with PM-Timer: 139ms instead of 100ms
>   APIC delta adjusted to PM-Timer: 831249 (1163736)
> 
> USB legacy SMI handler is not disabled at that time.
> 
> Try to disable USB legacy support early with this patch.
> So later APIC Timer calibration don't get messed up by USB legacy support SMI handler.
> After this patch, that warning never show up for 100 reboot tests.

But is that warning a real issue?  Does it cause problems for the user
(becides annoying them of course)?

> reuse code from drivers/usb/host/pci-quirks.c
> with changes
> 1. delay and sleep  ===> io_delay
> 2. dev_warn etc to pr_warn(num, slot, func...)

Why change this function?  What's wrong with dev_warn()?  It's much more
descriptive of the device that is being referred to.

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux