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| author | Hubert Chrzaniuk <hubert.chrzaniuk@intel.com> | 2015-12-11 14:21:22 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2015-12-11 16:58:32 +0100 |
| commit | 45f4d3ab3ee8d12471e47057ea4d0d86167b25a0 (patch) | |
| tree | 66d84c5b50c58c558bbbd1f214e1e1382b122d54 /drivers/edac/sb_edac.c | |
| parent | c4cf3b454ecaa222aad9017932bd3b9c9325d931 (diff) | |
| download | linux-rpi3-45f4d3ab3ee8d12471e47057ea4d0d86167b25a0.tar.gz linux-rpi3-45f4d3ab3ee8d12471e47057ea4d0d86167b25a0.tar.bz2 linux-rpi3-45f4d3ab3ee8d12471e47057ea4d0d86167b25a0.zip | |
EDAC, sb_edac: Set fixed DIMM width on Xeon Knights Landing
Knights Landing does not come with register that could be used to fetch
DIMM width. However the value is fixed for this architecture so it can
be hardcoded.
Signed-off-by: Hubert Chrzaniuk <hubert.chrzaniuk@intel.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: lukasz.anaczkowski@intel.com
Link: http://lkml.kernel.org/r/1449840082-18673-1-git-send-email-hubert.chrzaniuk@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac/sb_edac.c')
| -rw-r--r-- | drivers/edac/sb_edac.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index b3d924da5985..e438ee5b433f 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -924,6 +924,12 @@ out: return mtype; } +static enum dev_type knl_get_width(struct sbridge_pvt *pvt, u32 mtr) +{ + /* for KNL value is fixed */ + return DEV_X16; +} + static enum dev_type sbridge_get_width(struct sbridge_pvt *pvt, u32 mtr) { /* there's no way to figure out */ @@ -3393,7 +3399,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) pvt->info.interleave_list = knl_interleave_list; pvt->info.max_interleave = ARRAY_SIZE(knl_interleave_list); pvt->info.interleave_pkg = ibridge_interleave_pkg; - pvt->info.get_width = ibridge_get_width; + pvt->info.get_width = knl_get_width; mci->ctl_name = kasprintf(GFP_KERNEL, "Knights Landing Socket#%d", mci->mc_idx); |