[PATCH 0/6] Description for PCI patches using platform driver

[Jia Hongtao-B38951]

> -----Original Message-----
> From: Bhushan Bharat-R65777
> Sent: Friday, June 08, 2012 6:47 PM
> To: Jia Hongtao-B38951; linuxppc-dev at lists.ozlabs.org;
> galak at kernel.crashing.org
> Cc: Li Yang-R58472; benh at kernel.crashing.org; Wood Scott-B07421
> Subject: RE: [PATCH 0/6] Description for PCI patches using platform
> driver
> 
> 
> > -----Original Message-----
> > From: Jia Hongtao-B38951
> > Sent: Friday, June 08, 2012 3:12 PM
> > To: linuxppc-dev at lists.ozlabs.org; galak at kernel.crashing.org
> > Cc: Li Yang-R58472; benh at kernel.crashing.org; Wood Scott-B07421;
> Bhushan Bharat-
> > R65777; Jia Hongtao-B38951
> > Subject: [PATCH 0/6] Description for PCI patches using platform driver
> >
> > This series of patches are to unify pci initialization code and add PM
> support
> > for all 85xx/86xx powerpc boards. But two side effects are introduced
> by this
> > mechanism which listed below:
> >
> > 1. of_platform_bus_probe() will be called twice but in some cases
> duplication
> >    warning occured. We fix this in [PATCH 5/6].
> >
> > 2. Edac driver failed to register pci nodes as platform devices. We fix
> this
> >    in [PATCH 6/6].
> 
> With these patches will not the SWIOTLB will not be initialized even if
> PCI/PCIe demanded?
> 
> Thanks
> -Bharat
> 

These patches still have the swiotlb init problem if "ppc_swiotlb_enable" is
only demanded by PCI/PCIe. One of the purposes of sending out these patches
is to let us start a discussion for this problem in upstream.

-Jia Hongtao.