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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.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index a4038f289ab3..e67c452fa92c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -727,6 +727,7 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
struct iwl_dev_tx_power_cmd_v4 v4;
} cmd;
+ int ret;
u16 len = 0;
cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
@@ -741,9 +742,14 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
len = sizeof(cmd.v4.v3);
- if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
- prof_a, prof_b))
- return -ENOENT;
+ ret = iwl_sar_select_profile(&mvm->fwrt,
+ cmd.v5.v3.per_chain_restriction,
+ prof_a, prof_b);
+
+ /* return on error or if the profile is disabled (positive number) */
+ if (ret)
+ return ret;
+
IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
@@ -1034,16 +1040,7 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
ret);
- ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
- /*
- * If we don't have profile 0 from BIOS, just skip it. This
- * means that SAR Geo will not be enabled either, even if we
- * have other valid profiles.
- */
- if (ret == -ENOENT)
- return 1;
-
- return ret;
+ return iwl_mvm_sar_select_profile(mvm, 1, 1);
}
static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
@@ -1272,7 +1269,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
ret = iwl_mvm_sar_init(mvm);
if (ret == 0) {
ret = iwl_mvm_sar_geo_init(mvm);
- } else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
+ } else if (ret == -ENOENT && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
/*
* If basic SAR is not available, we check for WGDS,
* which should *not* be available either. If it is