diff options
Diffstat (limited to 'drivers/edac/i10nm_base.c')
| -rw-r--r-- | drivers/edac/i10nm_base.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c index bf4171ac191d..9d00f247f4e0 100644 --- a/drivers/edac/i10nm_base.c +++ b/drivers/edac/i10nm_base.c @@ -1057,6 +1057,15 @@ static bool i10nm_check_ecc(struct skx_imc *imc, int chan) return !!GET_BITFIELD(mcmtr, 2, 2); } +static bool i10nm_channel_disabled(struct skx_imc *imc, int chan) +{ + u32 mcmtr = I10NM_GET_MCMTR(imc, chan); + + edac_dbg(1, "mc%d ch%d mcmtr reg %x\n", imc->mc, chan, mcmtr); + + return (mcmtr == ~0 || GET_BITFIELD(mcmtr, 18, 18)); +} + static int i10nm_get_dimm_config(struct mem_ctl_info *mci, struct res_config *cfg) { @@ -1070,6 +1079,11 @@ static int i10nm_get_dimm_config(struct mem_ctl_info *mci, if (!imc->mbase) continue; + if (i10nm_channel_disabled(imc, i)) { + edac_dbg(1, "mc%d ch%d is disabled.\n", imc->mc, i); + continue; + } + ndimms = 0; if (res_cfg->type != GNR) |