2 files changed, 14 insertions, 2 deletions

diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index bda851427780..7c031fdc8205 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -259,6 +259,7 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
                 return; /* We don't have a ChipCommon */
         if (cc->dev->id.revision >= 11)
                 cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
+        ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status);
         ssb_pmu_init(cc);
         chipco_powercontrol_init(cc);
         ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 6dcda86be6eb..6e88d2b603b4 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -626,11 +626,22 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
                 return -ENODEV;
         }
         if (bus->chipco.dev) {  /* can be unavailible! */
-                bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ?
-                        SSB_SPROM_BASE1 : SSB_SPROM_BASE31;
+                /*
+                 * get SPROM offset: SSB_SPROM_BASE1 except for
+                 * chipcommon rev >= 31 or chip ID is 0x4312 and
+                 * chipcommon status & 3 == 2
+                 */
+                if (bus->chipco.dev->id.revision >= 31)
+                        bus->sprom_offset = SSB_SPROM_BASE31;
+                else if (bus->chip_id == 0x4312 &&
+                         (bus->chipco.status & 0x03) == 2)
+                        bus->sprom_offset = SSB_SPROM_BASE31;
+                else
+                        bus->sprom_offset = SSB_SPROM_BASE1;
         } else {
                 bus->sprom_offset = SSB_SPROM_BASE1;
         }
+        ssb_dprintk(KERN_INFO PFX "SPROM offset is 0x%x\n", bus->sprom_offset);
 
         buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
         if (!buf)