[PATCH u-boot 0/3] pci: Do not access Freescale PCI controllers BARs registers

Pali Rohár pali at kernel.org
Sat Apr 29 13:06:17 CEST 2023


On Friday 21 April 2023 05:54:29 Heiko Schocher wrote:
> Hello Pali,
> 
> On 20.04.23 21:44, Pali Rohár wrote:
> > Freescale PCI and PCIe controllers export in config space in BARs offset
> > for BDF address 00:00.0 internal controller registers, instead of BAR
> > registers. Avoid access to these registers to prevent overwriting them.
> > 
> > Fixes autoconfiguration of PCI and PCIe devices on Freescale PowerPC
> > platforms.
> > 
> > Pali Rohár (3):
> >   pci: mpc85xx: Do not access PCI BARs registers of BDF address 00:00.0
> >   pci: fsl: Do not access PCI BAR0 register of PCIe Root Port
> >   pci: auto: Remove PCI_CLASS_PROCESSOR_POWERPC autoconfig case
> > 
> >  drivers/pci/pci_auto.c    |  4 ----
> >  drivers/pci/pci_mpc85xx.c | 12 ++++++++++++
> >  drivers/pci/pcie_fsl.c    | 14 ++++++++++++++
> >  3 files changed, 26 insertions(+), 4 deletions(-)
> 
> Many thanks for this series!

Ok, is something more needed?

> bye,
> Heiko
> -- 
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