From 0bf09e829dd4b07227ed5a8bc4ac85752a044458 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 26 Apr 2012 11:47:29 -0300 Subject: i7core: fix ranks information at the per-channel struct There is a flag at the per-channel struct that indicates if there are any 4R dimm on it. The way the presence of this flag were reported is not ok, as it might give the false idea that the channel were filled with 2R memories: [ 580.588701] EDAC DEBUG: get_dimm_config: Ch1 phy rd1, wr1 (0x063f7431): 2 ranks, UDIMMs [ 580.588704] EDAC DEBUG: get_dimm_config: dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400 (in this case, just one 1R memory is filled on channel 1) So, use a better way to represent the per-channel ranks information. After the patch, it will show: [ 2002.233978] EDAC DEBUG: get_dimm_config: Ch0 phy rd0, wr0 (0x063f7431): UDIMMs [ 2002.233982] EDAC DEBUG: get_dimm_config: dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400 [ 2002.233988] EDAC DEBUG: get_dimm_config: dimm 1 1024 Mb offset: 4, bank: 8, rank: 1, row: 0x4000, col: 0x400 (in this case, there isn't any 4R memories) Reported-by: Borislav Petkov Signed-off-by: Mauro Carvalho Chehab --- drivers/edac/i7core_edac.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 2aacd951d41c..c05e1ada7a3d 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -221,7 +221,9 @@ struct i7core_inject { }; struct i7core_channel { - u32 ranks; + bool is_3dimms_present; + bool is_single_4rank; + bool has_4rank; u32 dimms; }; @@ -555,21 +557,20 @@ static int get_dimm_config(struct mem_ctl_info *mci) pci_read_config_dword(pvt->pci_ch[i][0], MC_CHANNEL_DIMM_INIT_PARAMS, &data); - pvt->channel[i].ranks = (data & QUAD_RANK_PRESENT) ? - 4 : 2; + + if (data & THREE_DIMMS_PRESENT) + pvt->channel[i].is_3dimms_present = true; + + if (data & SINGLE_QUAD_RANK_PRESENT) + pvt->channel[i].is_single_4rank = true; + + if (data & QUAD_RANK_PRESENT) + pvt->channel[i].has_4rank = true; if (data & REGISTERED_DIMM) mtype = MEM_RDDR3; else mtype = MEM_DDR3; -#if 0 - if (data & THREE_DIMMS_PRESENT) - pvt->channel[i].dimms = 3; - else if (data & SINGLE_QUAD_RANK_PRESENT) - pvt->channel[i].dimms = 1; - else - pvt->channel[i].dimms = 2; -#endif /* Devices 4-6 function 1 */ pci_read_config_dword(pvt->pci_ch[i][1], @@ -580,11 +581,13 @@ static int get_dimm_config(struct mem_ctl_info *mci) MC_DOD_CH_DIMM2, &dimm_dod[2]); debugf0("Ch%d phy rd%d, wr%d (0x%08x): " - "%d ranks, %cDIMMs\n", + "%s%s%s%cDIMMs\n", i, RDLCH(pvt->info.ch_map, i), WRLCH(pvt->info.ch_map, i), data, - pvt->channel[i].ranks, + pvt->channel[i].is_3dimms_present ? "3DIMMS " : "", + pvt->channel[i].is_3dimms_present ? "SINGLE_4R " : "", + pvt->channel[i].has_4rank ? "HAS_4R " : "", (data & REGISTERED_DIMM) ? 'R' : 'U'); for (j = 0; j < 3; j++) { -- cgit v1.2.3