Re: [patch 2.6.13-rc2] pci: restore BAR values from pci_set_power_state for D3hot->D0

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

 



On Fri, Jul 08, 2005 at 02:34:56PM -0400, John W. Linville wrote:
> @@ -301,6 +335,16 @@ pci_set_power_state(struct pci_dev *dev,
>  		udelay(200);
>  	dev->current_state = state;
>  
> +	/* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT
> +	 * INTERFACE SPECIFICATION, REV. 1.2", a device transitioning
> +	 * from D3hot to D0 _may_ perform an internal reset, thereby
> +	 * going to "D0 Uninitialized" rather than "D0 Initialized".
> +	 * In that case, we need to restore at least the BARs so that
> +	 * the device will be accessible to its driver.
> +	 */
> +	if (need_restore)
> +		pci_restore_bars(dev);
> +

This code doesn't even build, as need_restore isn't a global variable.

Care to redo this patch (and merge it with your other one) and resend
it?

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux