[Skiboot] [PATCH 5/7] hw/phb3: Disable ECRC on Broadcom adapter behind PMC switch

[Stewart Smith]

Gavin Shan <gwshan at linux.vnet.ibm.com> writes:
> The ECRC generation and check can't be enabled on Broadcom's NIC
> (14e4:168a) when it seats behind PMC PCIe switch downstream port
> (11f8:8546). Otherwise, the NIC's config space can not be accessed
> and returns 0xFF's on read because of EEH error even after the error
> is cleared. The issue is reported from Firestone.
>
> This disables ECRC generation and check on Broadcom's NIC when it
> seats behind PMC PCIe switch downstream port. With this applied,
> the NIC can be detected successfully.
>
> Reported-by: Li Meng <shlimeng at cn.ibm.com>
> Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>

Should this also go to stable?

-- 
Stewart Smith
OPAL Architect, IBM.