amd64_edac: Sanitize syndrome extraction
Remove the two syndrome extraction macros and add a single function
which does the same thing but with proper typechecking. While at it,
make sure to cache ECC syndrome size and dump it in debug output.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 0d4bf56..707745b 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -382,6 +382,8 @@
#define K8_NBCAP_SECDED BIT(3)
#define K8_NBCAP_DCT_DUAL BIT(0)
+#define EXT_NB_MCA_CFG 0x180
+
/* MSRs */
#define K8_MSR_MCGCTL_NBE BIT(4)
@@ -471,6 +473,9 @@
u32 dram_ctl_select_high; /* DRAM Controller Select High Reg */
u32 online_spare; /* On-Line spare Reg */
+ /* x4 or x8 syndromes in use */
+ u8 syn_type;
+
/* temp storage for when input is received from sysfs */
struct err_regs ctl_error_info;