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| author | Qiuxu Zhuo <qiuxu.zhuo@intel.com> | 2017-08-14 23:48:13 +0800 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2017-08-19 10:33:30 +0200 |
| commit | d84676a9e12817c8435e836911800bdcc67928a0 (patch) | |
| tree | eb0bcc349837dcac5486c54d9b749af6de6a162c /drivers/edac/octeon_edac-l2c.c | |
| parent | 3eaef0fa39f7badb0bf25bb28ab96cf06b29d45c (diff) | |
| download | linux-d84676a9e12817c8435e836911800bdcc67928a0.tar.bz2 | |
EDAC, pnd2: Mask off the lower four bits of a BAR
Bit[0] of BAR is always zero. Bit[2:1] and bit[3] of BAR contain the
information of 'type' and the 'prefetchable' accordingly. Therefore,
mask the lower four bits to retrieve the actual base address of a BAR.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170814154813.21619-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac/octeon_edac-l2c.c')
0 files changed, 0 insertions, 0 deletions