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path: root/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 27db4a3ba1f8..96e101d79662 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -19,11 +19,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
@@ -1340,6 +1335,7 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
fw_has_capa(&fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
+ bool empty_otp;
u32 mac_flags;
u32 sbands_flags = 0;
@@ -1355,7 +1351,9 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
}
rsp = (void *)hcmd.resp_pkt->data;
- if (le32_to_cpu(rsp->general.flags) & NVM_GENERAL_FLAGS_EMPTY_OTP)
+ empty_otp = !!(le32_to_cpu(rsp->general.flags) &
+ NVM_GENERAL_FLAGS_EMPTY_OTP);
+ if (empty_otp)
IWL_INFO(trans, "OTP is empty\n");
nvm = kzalloc(sizeof(*nvm) +
@@ -1379,6 +1377,11 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
/* Initialize general data */
nvm->nvm_version = le16_to_cpu(rsp->general.nvm_version);
+ nvm->n_hw_addrs = rsp->general.n_hw_addrs;
+ if (nvm->n_hw_addrs == 0)
+ IWL_WARN(trans,
+ "Firmware declares no reserved mac addresses. OTP is empty: %d\n",
+ empty_otp);
/* Initialize MAC sku data */
mac_flags = le32_to_cpu(rsp->mac_sku.mac_sku_flags);