Re: [PATCH 1/3 v3] mfd: Add LPC driver for Intel ICH chipsets

[Aaron Sierra <asierra@xes-inc.com>]

> > +static void __devexit lpc_ich_remove(struct pci_dev *dev)
> > +{
> > +	mfd_remove_devices(&dev->dev);
> > +
> > +	if (lpc_ich_gpio_save > 0)
> > +		pci_write_config_byte(dev, GPIOCTRL, (u8)lpc_ich_gpio_save);
> > +	if (lpc_ich_acpi_save > 0)
> > +		pci_write_config_byte(dev, ACPICTRL, (u8)lpc_ich_acpi_save);
> 
> I think you really mean >= 0 above. And the casts aren't needed. You
> should also reset lpc_ich_gpio_save and lpc_ich_acpi_save to -1 after
> restoring the values, it matters if the device is removed and re-added
> through sysfs.

I seriously almost changed that compare in this patch... I wish I had. I've
made these changes, now.

> This cleanup is missing from the error path in lpc_ich_probe, BTW.
> You may want to move it to a separate function so that you can call it
> from both lpc_ich_probe and lpc_ich_remove.

Good point. I've got this change ready to go, too. Thanks.

-Aaron S.