Same fix as f844a709a7d8f8be61a571afc31dfaca9e779621
"iwlwifi: do not set tx power when channel is changing".
Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
---
drivers/net/wireless/iwlegacy/iwl-4965.c | 2 +-
drivers/net/wireless/iwlegacy/iwl-core.c | 13 ++++++++++---
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965.c b/drivers/net/wireless/iwlegacy/iwl-4965.c
index 080444c..f5433c7 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965.c
+++ b/drivers/net/wireless/iwlegacy/iwl-4965.c
@@ -1319,7 +1319,7 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *c
/* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames */
- ret = iwl_legacy_set_tx_power(priv, priv->tx_power_user_lmt, true);
+ ret = iwl_legacy_set_tx_power(priv, priv->tx_power_next, true);
if (ret) {
IWL_ERR(priv, "Error sending TX power (%d)\n", ret);
return ret;
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index c95c3bc..7cc560b 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -1114,6 +1114,8 @@ int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
{
int ret;
s8 prev_tx_power;
+ bool defer;
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
lockdep_assert_held(&priv->mutex);
@@ -1141,10 +1143,15 @@ int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
if (!iwl_legacy_is_ready_rf(priv))
return -EIO;
- /* scan complete use tx_power_next, need to be updated */
+ /* scan complete and commit_rxon use tx_power_next value,
+ * it always need to be updated for newest request */
priv->tx_power_next = tx_power;
- if (test_bit(STATUS_SCANNING, &priv->status) && !force) {
- IWL_DEBUG_INFO(priv, "Deferring tx power set while scanning\n");
+
+ /* do not set tx power when scanning or channel changing */
+ defer = test_bit(STATUS_SCANNING, &priv->status) ||
+ memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging));
+ if (defer && !force) {
+ IWL_DEBUG_INFO(priv, "Deferring tx power set\n");
return 0;
}
--
1.7.1
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