iwlagn: remove bootstrap code

Only 4965 had a bootstrap microcode image, so
the agn driver can completely ignore that and
we can remove some code from it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 32 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index c66fcea4737..5e74eb0fd6e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1181,7 +1181,6 @@ static void iwl_dealloc_ucode_pci(struct iwl_priv *priv)
         iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
         iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init);
         iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init_data);
-        iwl_free_fw_desc(priv->pci_dev, &priv->ucode_boot);
 }
 
 static void iwl_nic_start(struct iwl_priv *priv)
@@ -1239,8 +1238,8 @@ static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
 }
 
 struct iwlagn_firmware_pieces {
-        const void *inst, *data, *init, *init_data, *boot;
-        size_t inst_size, data_size, init_size, init_data_size, boot_size;
+        const void *inst, *data, *init, *init_data;
+        size_t inst_size, data_size, init_size, init_data_size;
 
         u32 build;
 
@@ -1271,7 +1270,6 @@ static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
                 pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
                 pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
                 pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
-                pieces->boot_size = le32_to_cpu(ucode->u.v2.boot_size);
                 src = ucode->u.v2.data;
                 break;
         case 0:
@@ -1287,7 +1285,6 @@ static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
                 pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
                 pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
                 pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
-                pieces->boot_size = le32_to_cpu(ucode->u.v1.boot_size);
                 src = ucode->u.v1.data;
                 break;
         }
@@ -1295,7 +1292,7 @@ static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
         /* Verify size of file vs. image size info in file's header */
         if (ucode_raw->size != hdr_size + pieces->inst_size +
                                 pieces->data_size + pieces->init_size +
-                                pieces->init_data_size + pieces->boot_size) {
+                                pieces->init_data_size) {
 
                 IWL_ERR(priv,
                         "uCode file size %d does not match expected size\n",
@@ -1311,8 +1308,6 @@ static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
         src += pieces->init_size;
         pieces->init_data = src;
         src += pieces->init_data_size;
-        pieces->boot = src;
-        src += pieces->boot_size;
 
         return 0;
 }
@@ -1413,8 +1408,7 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
                         pieces->init_data_size = tlv_len;
                         break;
                 case IWL_UCODE_TLV_BOOT:
-                        pieces->boot = tlv_data;
-                        pieces->boot_size = tlv_len;
+                        IWL_ERR(priv, "Found unexpected BOOT ucode\n");
                         break;
                 case IWL_UCODE_TLV_PROBE_MAX_LEN:
                         if (tlv_len != sizeof(u32))
@@ -1614,8 +1608,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                        pieces.init_size);
         IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
                        pieces.init_data_size);
-        IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %Zd\n",
-                       pieces.boot_size);
 
         /* Verify that uCode images will fit in card's SRAM */
         if (pieces.inst_size > priv->hw_params.max_inst_size) {
@@ -1642,12 +1634,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                 goto try_again;
         }
 
-        if (pieces.boot_size > priv->hw_params.max_bsm_size) {
-                IWL_ERR(priv, "uCode boot instr len %Zd too large to fit in\n",
-                        pieces.boot_size);
-                goto try_again;
-        }
-
         /* Allocate ucode buffers for card's bus-master loading ... */
 
         /* Runtime instructions and 2 copies of data:
@@ -1678,15 +1664,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                         goto err_pci_alloc;
         }
 
-        /* Bootstrap (instructions only, no data) */
-        if (pieces.boot_size) {
-                priv->ucode_boot.len = pieces.boot_size;
-                iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
-
-                if (!priv->ucode_boot.v_addr)
-                        goto err_pci_alloc;
-        }
-
         /* Now that we can no longer fail, copy information */
 
         /*
@@ -1749,11 +1726,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                        pieces.init_data_size);
         }
 
-        /* Bootstrap instructions */
-        IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n",
-                        pieces.boot_size);
-        memcpy(priv->ucode_boot.v_addr, pieces.boot, pieces.boot_size);
-
         /*
          * figure out the offset of chain noise reset and gain commands
          * base on the size of standard phy calibration commands table size