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SubjectRe: [PATCH] pci: Don't set RCB bit in LNKCTL if the upstream bridge hasn't
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On 10/26/2016 03:53 PM, Johannes Thumshirn wrote:
> The Read Completion Boundary bit must only be set on a device or endpoint if
> it is set on the upstream bridge.
>
> Fixes: 7a1562d4f ("PCI: Apply _HPX Link Control settings to all devices with a link")
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
> drivers/pci/probe.c | 26 ++++++++++++++++++++++++--
> 1 file changed, 24 insertions(+), 2 deletions(-)
>
This fixes a regression where the mlx4 driver would not load (and, in
fact, crash) on certain Ivybridge servers.

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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