iwlagn: remove ucode_data_backup

This was used only on 4965 in conjunction with
the bootstrap ucode.

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>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 5e74eb0fd6ee42f335e24714748efe505f7b1386..e3095afc9554c89fa3580e24868f43c500c1270c 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1178,7 +1178,6 @@ static void iwl_dealloc_ucode_pci(struct iwl_priv *priv)
 {
        iwl_free_fw_desc(priv->pci_dev, &priv->ucode_code);
        iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data);
-       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);
 }
@@ -1645,11 +1644,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
        priv->ucode_data.len = pieces.data_size;
        iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
 
-       priv->ucode_data_backup.len = pieces.data_size;
-       iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
-
-       if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr ||
-           !priv->ucode_data_backup.v_addr)
+       if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr)
                goto err_pci_alloc;
 
        /* Initialization instructions and data */
@@ -1709,7 +1704,6 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
        IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n",
                        pieces.data_size);
        memcpy(priv->ucode_data.v_addr, pieces.data, pieces.data_size);
-       memcpy(priv->ucode_data_backup.v_addr, pieces.data, pieces.data_size);
 
        /* Initialization instructions */
        if (pieces.init_size) {
@@ -2481,11 +2475,6 @@ static int __iwl_up(struct iwl_priv *priv)
                return -EIO;
        }
 
-       if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
-               IWL_ERR(priv, "ucode not available for device bringup\n");
-               return -EIO;
-       }
-
        for_each_context(priv, ctx) {
                ret = iwlagn_alloc_bcast_station(priv, ctx);
                if (ret) {
@@ -2542,12 +2531,6 @@ static int __iwl_up(struct iwl_priv *priv)
        iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
        iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
 
-       /* Copy original ucode data image from disk into backup cache.
-        * This will be used to initialize the on-board processor's
-        * data SRAM for a clean start when the runtime program first loads. */
-       memcpy(priv->ucode_data_backup.v_addr, priv->ucode_data.v_addr,
-              priv->ucode_data.len);
-
        for (i = 0; i < MAX_HW_RESTARTS; i++) {
 
                /* load bootstrap state machine,

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b3af2e8afc0a75a55179ea58dc321f2ce9e06cc8..7619cee648f49105b7ba7224f9732b3c3a2226d3 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1259,7 +1259,6 @@ struct iwl_priv {
                                           iwl_ucode.ver */
        struct fw_desc ucode_code;      /* runtime inst */
        struct fw_desc ucode_data;      /* runtime data original */
-       struct fw_desc ucode_data_backup;       /* runtime data save/restore */
        struct fw_desc ucode_init;      /* initialization inst */
        struct fw_desc ucode_init_data; /* initialization data */
        enum ucode_type ucode_type;