[SeaBIOS] [Qemu-devel] [Seabios] [PATCH v2] seabios: restore piix pm config registers after resume

[Marcel Apfelbaum]

On Wed, 2014-01-15 at 11:04 -0500, Kevin O'Connor wrote:
> On Wed, Jan 15, 2014 at 02:24:40PM +0200, Marcel Apfelbaum wrote:
> > On Wed, 2014-01-15 at 14:20 +0200, Marcel Apfelbaum wrote:
> > > On resume, the OS queries the power management event that
> > > caused it. In order to complete this task, it executes some
> > > reads to the piix pm io space. This all happens before the
> > > OS has a chance to restore the PCI config space for devices,
> > > so it is bios's responsibility to make sure the pm IO space
> > > is configured correctly. (During suspend, the piix pm
> > > configuration space is lost).
> > > 
> > > Note: For 'ordinary' pci devices the config space is
> > > saved by the OS on sleep and restored on resume.
> > > 
> > > Signed-off-by: Marcel Apfelbaum <marcel.a at redhat.com>
> > 
> > Ooops! I put a [Qemu-devel] prefix, it is going to be a problem?
> 
> I fixed it up.  The patch also had two header files declaring
> pci_resume() - I fixed that up as well.  It's been committed.
Thanks! And sorry for the mess, I'll be more careful next time...
Marcel

> 
> Thanks.
> 
> -Kevin