diff options
| author | Bjorn Helgaas <[email protected]> | 2013-08-27 09:54:40 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <[email protected]> | 2013-08-28 11:28:22 -0600 |
| commit | d3694d4fa3f44f6a295f8ab064937c8a1549d174 (patch) | |
| tree | 84ef7e23578a22d0819f5f2064bf813e071d43eb /fs/jbd/commit.c | |
| parent | bd6fb762b595fb83758ae50d3610223244234a2d (diff) | |
PCI: Allow PCIe Capability link-related register access for switches
Every PCIe device has a link, except Root Complex Integrated Endpoints
and Root Complex Event Collectors. Previously we didn't give access
to PCIe capability link-related registers for Upstream Ports, Downstream
Ports, and Bridges, so attempts to read PCI_EXP_LNKCTL incorrectly
returned zero. See PCIe spec r3.0, sec 7.8 and 1.3.2.3.
Reference: http://lkml.kernel.org/r/979A8436335E3744ADCD3A9F2A2B68A52AD136BE@SJEXCHMB10.corp.ad.broadcom.com
Reported-by: Yuval Mintz <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-By: Jiang Liu <[email protected]>
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions