amd64_edac: Simplify decoding path

Use the struct mce directly instead of copying from it into a custom
struct err_regs.

No functionality change.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 04293306bedc..ba16535842ba 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -397,6 +397,11 @@ static inline u64 get_dram_limit(struct amd64_pvt *pvt, unsigned i)
         return (((u64)pvt->ranges[i].lim.hi & 0x000000ff) << 40) | lim;
 }
 
+static inline u16 extract_syndrome(u64 status)
+{
+        return ((status >> 47) & 0xff) | ((status >> 16) & 0xff00);
+}
+
 /*
  * per-node ECC settings descriptor
  */
@@ -440,11 +445,10 @@ extern struct mcidev_sysfs_attribute amd64_dbg_attrs[NUM_DBG_ATTRS],
 struct low_ops {
         int (*early_channel_count)      (struct amd64_pvt *pvt);
 
-        u64 (*get_error_address)        (struct mem_ctl_info *mci,
-                                         struct err_regs *info);
+        u64 (*get_error_address)        (struct mem_ctl_info *mci, struct mce *m);
         void (*read_dram_ctl_register)  (struct amd64_pvt *pvt);
-        void (*map_sysaddr_to_csrow)    (struct mem_ctl_info *mci,
-                                         struct err_regs *info, u64 SystemAddr);
+        void (*map_sysaddr_to_csrow)    (struct mem_ctl_info *mci, u64 sys_addr,
+                                         u16 syndrome);
         int (*dbam_to_cs)               (struct amd64_pvt *pvt, int cs_mode);
         int (*read_dct_pci_cfg)         (struct amd64_pvt *pvt, int offset,
                                          u32 *val, const char *func);