powerpc/eeh: Avoid misleading message "EEH: no capable adapters found"

[Michael Ellerman]

On Fri, 2018-03-23 at 02:10:52 UTC, "Mauro S. M. Rodrigues" wrote:
> Due to recent refactoring in EEH in:
> commit b9fde58db7e5 ("powerpc/powernv: Rework EEH initialization on
> powernv")
> a misleading message was seen in the kernel message buffer:
> 
> [    0.108431] EEH: PowerNV platform initialized
> [    0.589979] EEH: No capable adapters found
> 
> This happened due to the removal of the initialization delay for powernv
> platform.
> 
> Even though the EEH infrastructure for the devices is eventually
> initialized and still works just fine the eeh device probe step is
> postponed in order to assure the PEs are created. Later
> pnv_eeh_post_init does the probe devices job but at that point the
> message was already shown right after eeh_init flow.
> 
> This patch introduces a new flag EEH_POSTPONED_PROBE to represent that
> temporary state and avoid the message mentioned above and showing the
> follow one instead:
> 
> [    0.107724] EEH: PowerNV platform initialized
> [    4.844825] EEH: PCI Enhanced I/O Error Handling Enabled
> 
> Signed-off-by: Mauro S. M. Rodrigues <maurosr at linux.vnet.ibm.com>
> Acked-by: Russell Currey <ruscur at russell.cc>
> Tested-by:Venkat Rao B <vrbagal1 at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ee8c446fed99ffdc29dedf7d2a8854

cheers