Re: Regression in -git / [PATCH] i2c-i801.c: don't pci_disable_device()after it was just enabled

From: Linus Torvalds
Date: Thu Jun 29 2006 - 12:58:04 EST




On Thu, 29 Jun 2006, Daniel Ritz wrote:
> >
> > Do you have any idea why disabling the SMBus causes the problem you
> > observe? Could be that your BIOS attempts to use the SMBus at power
>
> no idea. the last message that is display is "Shutdown: hda" then the
> cursor blinks for 2 more seconds, then complete freeze. also enabling
> all the debugging options in driver model, pm, i2c does not give me anything
> more (it should...the messages during boot are there)...

The SMBus devices may well be used by ACPI (or even SMM, although that is
probably rare these days).

I don't actually think we should necessarily shut off motherboard devices
like that, for this reason.

Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/