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path: root/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c161
1 files changed, 85 insertions, 76 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 900f1e25b9da..e6c9528eeeda 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -698,6 +698,82 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
return 0;
}
+static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
+{
+ struct iwl_notification_wait init_wait;
+ struct iwl_nvm_access_complete_cmd nvm_complete = {};
+ struct iwl_init_extended_cfg_cmd init_cfg = {
+ .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
+ };
+ static const u16 init_complete[] = {
+ INIT_COMPLETE_NOTIF,
+ };
+ int ret;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ iwl_init_notification_wait(&mvm->notif_wait,
+ &init_wait,
+ init_complete,
+ ARRAY_SIZE(init_complete),
+ iwl_wait_init_complete,
+ NULL);
+
+ /* Will also start the device */
+ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
+ goto error;
+ }
+
+ /* Send init config command to mark that we are sending NVM access
+ * commands
+ */
+ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
+ INIT_EXTENDED_CFG_CMD), 0,
+ sizeof(init_cfg), &init_cfg);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to run init config command: %d\n",
+ ret);
+ goto error;
+ }
+
+ /* Read the NVM only at driver load time, no need to do this twice */
+ if (read_nvm) {
+ /* Read nvm */
+ ret = iwl_nvm_init(mvm, true);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
+ goto error;
+ }
+ }
+
+ /* In case we read the NVM from external file, load it to the NIC */
+ if (mvm->nvm_file_name)
+ iwl_mvm_load_nvm_to_nic(mvm);
+
+ ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
+ if (WARN_ON(ret))
+ goto error;
+
+ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
+ NVM_ACCESS_COMPLETE), 0,
+ sizeof(nvm_complete), &nvm_complete);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
+ ret);
+ goto error;
+ }
+
+ /* We wait for the INIT complete notification */
+ return iwl_wait_notification(&mvm->notif_wait, &init_wait,
+ MVM_UCODE_ALIVE_TIMEOUT);
+
+error:
+ iwl_remove_notification(&mvm->notif_wait, &init_wait);
+ return ret;
+}
+
static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
struct iwl_phy_cfg_cmd phy_cfg_cmd;
@@ -726,6 +802,9 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
};
int ret;
+ if (iwl_mvm_has_new_tx_api(mvm))
+ return iwl_run_unified_mvm_ucode(mvm, true);
+
lockdep_assert_held(&mvm->mutex);
if (WARN_ON_ONCE(mvm->calibrating))
@@ -832,82 +911,6 @@ out:
return ret;
}
-int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
-{
- struct iwl_notification_wait init_wait;
- struct iwl_nvm_access_complete_cmd nvm_complete = {};
- struct iwl_init_extended_cfg_cmd init_cfg = {
- .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
- };
- static const u16 init_complete[] = {
- INIT_COMPLETE_NOTIF,
- };
- int ret;
-
- lockdep_assert_held(&mvm->mutex);
-
- iwl_init_notification_wait(&mvm->notif_wait,
- &init_wait,
- init_complete,
- ARRAY_SIZE(init_complete),
- iwl_wait_init_complete,
- NULL);
-
- /* Will also start the device */
- ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
- if (ret) {
- IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
- goto error;
- }
-
- /* Send init config command to mark that we are sending NVM access
- * commands
- */
- ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
- INIT_EXTENDED_CFG_CMD), 0,
- sizeof(init_cfg), &init_cfg);
- if (ret) {
- IWL_ERR(mvm, "Failed to run init config command: %d\n",
- ret);
- goto error;
- }
-
- /* Read the NVM only at driver load time, no need to do this twice */
- if (read_nvm) {
- /* Read nvm */
- ret = iwl_nvm_init(mvm, true);
- if (ret) {
- IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
- goto error;
- }
- }
-
- /* In case we read the NVM from external file, load it to the NIC */
- if (mvm->nvm_file_name)
- iwl_mvm_load_nvm_to_nic(mvm);
-
- ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
- if (WARN_ON(ret))
- goto error;
-
- ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
- NVM_ACCESS_COMPLETE), 0,
- sizeof(nvm_complete), &nvm_complete);
- if (ret) {
- IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
- ret);
- goto error;
- }
-
- /* We wait for the INIT complete notification */
- return iwl_wait_notification(&mvm->notif_wait, &init_wait,
- MVM_UCODE_ALIVE_TIMEOUT);
-
-error:
- iwl_remove_notification(&mvm->notif_wait, &init_wait);
- return ret;
-}
-
static void iwl_mvm_parse_shared_mem_a000(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
@@ -1198,6 +1201,12 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
enabled = !!(wifi_pkg->package.elements[1].integer.value);
n_profiles = wifi_pkg->package.elements[2].integer.value;
+ /* in case of BIOS bug */
+ if (n_profiles <= 0) {
+ ret = -EINVAL;
+ goto out_free;
+ }
+
for (i = 0; i < n_profiles; i++) {
/* the tables start at element 3 */
static int pos = 3;