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sb_edac: Fix erroneous bytes->gigabytes conversion
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Signed-off-by: Jim Snow <[email protected]>
Signed-off-by: Lukasz Anaczkowski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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jimsnow-intel authored and mchehab committed Dec 2, 2014
1 parent 50043e2 commit 8c00910
Showing 1 changed file with 20 additions and 18 deletions.
38 changes: 20 additions & 18 deletions drivers/edac/sb_edac.c
Original file line number Diff line number Diff line change
@@ -909,7 +909,7 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
u32 reg;
u64 limit, prv = 0;
u64 tmp_mb;
u32 mb, kb;
u32 gb, mb;
u32 rir_way;

/*
@@ -919,15 +919,17 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
pvt->tolm = pvt->info.get_tolm(pvt);
tmp_mb = (1 + pvt->tolm) >> 20;

mb = div_u64_rem(tmp_mb, 1000, &kb);
edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tolm);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n",
gb, (mb*1000)/1024, (u64)pvt->tolm);

/* Address range is already 45:25 */
pvt->tohm = pvt->info.get_tohm(pvt);
tmp_mb = (1 + pvt->tohm) >> 20;

mb = div_u64_rem(tmp_mb, 1000, &kb);
edac_dbg(0, "TOHM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tohm);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "TOHM: %u.%03u GB (0x%016Lx)\n",
gb, (mb*1000)/1024, (u64)pvt->tohm);

/*
* Step 2) Get SAD range and SAD Interleave list
@@ -949,11 +951,11 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
break;

tmp_mb = (limit + 1) >> 20;
mb = div_u64_rem(tmp_mb, 1000, &kb);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "SAD#%d %s up to %u.%03u GB (0x%016Lx) Interleave: %s reg=0x%08x\n",
n_sads,
get_dram_attr(reg),
mb, kb,
gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
INTERLEAVE_MODE(reg) ? "8:6" : "[8:6]XOR[18:16]",
reg);
@@ -984,9 +986,9 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
break;
tmp_mb = (limit + 1) >> 20;

mb = div_u64_rem(tmp_mb, 1000, &kb);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "TAD#%d: up to %u.%03u GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n",
n_tads, mb, kb,
n_tads, gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
(u32)TAD_SOCK(reg),
(u32)TAD_CH(reg),
@@ -1009,10 +1011,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
tad_ch_nilv_offset[j],
&reg);
tmp_mb = TAD_OFFSET(reg) >> 20;
mb = div_u64_rem(tmp_mb, 1000, &kb);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "TAD CH#%d, offset #%d: %u.%03u GB (0x%016Lx), reg=0x%08x\n",
i, j,
mb, kb,
gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
reg);
}
@@ -1034,10 +1036,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci)

tmp_mb = pvt->info.rir_limit(reg) >> 20;
rir_way = 1 << RIR_WAY(reg);
mb = div_u64_rem(tmp_mb, 1000, &kb);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "CH#%d RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d, reg=0x%08x\n",
i, j,
mb, kb,
gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
rir_way,
reg);
@@ -1048,10 +1050,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
&reg);
tmp_mb = RIR_OFFSET(reg) << 6;

mb = div_u64_rem(tmp_mb, 1000, &kb);
gb = div_u64_rem(tmp_mb, 1024, &mb);
edac_dbg(0, "CH#%d RIR#%d INTL#%d, offset %u.%03u GB (0x%016Lx), tgt: %d, reg=0x%08x\n",
i, j, k,
mb, kb,
gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
(u32)RIR_RNK_TGT(reg),
reg);
@@ -1089,7 +1091,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
u8 ch_way, sck_way, pkg, sad_ha = 0;
u32 tad_offset;
u32 rir_way;
u32 mb, kb;
u32 mb, gb;
u64 ch_addr, offset, limit = 0, prv = 0;


@@ -1358,10 +1360,10 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
continue;

limit = pvt->info.rir_limit(reg);
mb = div_u64_rem(limit >> 20, 1000, &kb);
gb = div_u64_rem(limit >> 20, 1024, &mb);
edac_dbg(0, "RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d\n",
n_rir,
mb, kb,
gb, (mb*1000)/1024,
limit,
1 << RIR_WAY(reg));
if (ch_addr <= limit)

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