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Subject[PATCH 3/8] amd64_edac: Fix DRAM base macros
Date
From: Borislav Petkov <borislav.petkov@amd.com>

Return unsigned u8 values only.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
drivers/edac/amd64_edac.c | 3 +--
drivers/edac/amd64_edac.h | 8 ++++----
2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8d9def5..e6adc73 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -621,7 +621,6 @@ static u64 input_addr_to_dram_addr(struct mem_ctl_info *mci, u64 input_addr)
BUG_ON(node_id > 7);

intlv_shift = num_node_interleave_bits(dram_intlv_en(pvt, 0));
-
if (intlv_shift == 0) {
debugf1(" InputAddr 0x%lx translates to DramAddr of "
"same value\n", (unsigned long)input_addr);
@@ -1192,7 +1191,7 @@ static void read_dram_ctl_register(struct amd64_pvt *pvt)
static u8 f1x_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
bool hi_range_sel, u8 intlv_en)
{
- u32 dct_sel_high = (pvt->dct_sel_lo >> 1) & 1;
+ u8 dct_sel_high = (pvt->dct_sel_lo >> 1) & 1;

if (dct_ganging_enabled(pvt))
return 0;
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 6220bae..11be36a 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -180,10 +180,10 @@
#define DRAM_BASE_LO 0x40
#define DRAM_LIMIT_LO 0x44

-#define dram_intlv_en(pvt, i) ((pvt->ranges[i].base.lo >> 8) & 0x7)
-#define dram_rw(pvt, i) (pvt->ranges[i].base.lo & 0x3)
-#define dram_intlv_sel(pvt, i) ((pvt->ranges[i].lim.lo >> 8) & 0x7)
-#define dram_dst_node(pvt, i) (pvt->ranges[i].lim.lo & 0x7)
+#define dram_intlv_en(pvt, i) ((u8)((pvt->ranges[i].base.lo >> 8) & 0x7))
+#define dram_rw(pvt, i) ((u8)(pvt->ranges[i].base.lo & 0x3))
+#define dram_intlv_sel(pvt, i) ((u8)((pvt->ranges[i].lim.lo >> 8) & 0x7))
+#define dram_dst_node(pvt, i) ((u8)(pvt->ranges[i].lim.lo & 0x7))

#define DHAR 0xf0
#define dhar_valid(pvt) ((pvt)->dhar & BIT(0))
--
1.7.4.rc2


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