1 files changed, 40 insertions, 6 deletions

diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index dd3149d94ba..b02d15daf5d 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -848,16 +848,15 @@ static int t3_write_flash(struct adapter *adapter, unsigned int addr,
 }
 
 /**
- *      t3_check_tpsram_version - read the tp sram version
+ *      t3_get_tp_version - read the tp sram version
  *      @adapter: the adapter
+ *      @vers: where to place the version
  *
- *      Reads the protocol sram version from serial eeprom.
+ *      Reads the protocol sram version from sram.
  */
-int t3_check_tpsram_version(struct adapter *adapter)
+int t3_get_tp_version(struct adapter *adapter, u32 *vers)
 {
         int ret;
-        u32 vers;
-        unsigned int major, minor;
 
         /* Get version loaded in SRAM */
         t3_write_reg(adapter, A_TP_EMBED_OP_FIELD0, 0);
@@ -866,7 +865,32 @@ int t3_check_tpsram_version(struct adapter *adapter)
         if (ret)
                 return ret;
         
-        vers = t3_read_reg(adapter, A_TP_EMBED_OP_FIELD1);
+        *vers = t3_read_reg(adapter, A_TP_EMBED_OP_FIELD1);
+
+        return 0;
+}
+
+/**
+ *      t3_check_tpsram_version - read the tp sram version
+ *      @adapter: the adapter
+ *      @must_load: set to 1 if loading a new microcode image is required
+ *
+ *      Reads the protocol sram version from flash.
+ */
+int t3_check_tpsram_version(struct adapter *adapter, int *must_load)
+{
+        int ret;
+        u32 vers;
+        unsigned int major, minor;
+
+        if (adapter->params.rev == T3_REV_A)
+                return 0;
+
+        *must_load = 1;
+
+        ret = t3_get_tp_version(adapter, &vers);
+        if (ret)
+                return ret;
 
         major = G_TP_VERSION_MAJOR(vers);
         minor = G_TP_VERSION_MINOR(vers);
@@ -874,6 +898,16 @@ int t3_check_tpsram_version(struct adapter *adapter)
         if (major == TP_VERSION_MAJOR && minor == TP_VERSION_MINOR) 
                 return 0;
 
+        if (major != TP_VERSION_MAJOR)
+                CH_ERR(adapter, "found wrong TP version (%u.%u), "
+                       "driver needs version %d.%d\n", major, minor,
+                       TP_VERSION_MAJOR, TP_VERSION_MINOR);
+        else {
+                *must_load = 0;
+                CH_ERR(adapter, "found wrong TP version (%u.%u), "
+                       "driver compiled for version %d.%d\n", major, minor,
+                       TP_VERSION_MAJOR, TP_VERSION_MINOR);
+        }
         return -EINVAL;
 }