On Jul 10, 2007, at 1:34 AM, Zhang Wei wrote:
> If the PCI-Ex hose link training is failed, the kernel will halt at
> the
> PCI scan process on MPC8641HPCN board.
>
> This patch will remove and free the hose from PCI host list if the
> PCI hose link training is failed.
>
> Signed-off-by: Zhang Wei <[EMAIL PROTECTED]>
Thanks. Going to roll this into the work Roy's been doing to make
PCI code work across 85xx/86xx.
- k
> ---
> arch/powerpc/platforms/86xx/pci.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/platforms/86xx/pci.c b/arch/powerpc/
> platforms/86xx/pci.c
> index 73cd5b0..0b7835c 100644
> --- a/arch/powerpc/platforms/86xx/pci.c
> +++ b/arch/powerpc/platforms/86xx/pci.c
> @@ -210,8 +210,10 @@ int __init mpc86xx_add_bridge(struct
> device_node *dev)
>
> /* Probe the hose link training status */
> early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val);
> - if (val < PCIE_LTSSM_L0)
> + if (val < PCIE_LTSSM_L0) {
> + pcibios_free_controller(hose);
> return -ENXIO;
> + }
>
> /* Setup the PCIE host controller. */
> mpc86xx_setup_pcie(hose, rsrc.start, rsrc.end - rsrc.start + 1);
> --
> 1.5.1
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