Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[cascardo/linux.git] / drivers / net / wireless / iwlwifi / iwl-agn.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 5e0c6bf..8b8e3e1 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1259,7 +1259,15 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
        /* Ack/clear/reset pending uCode interrupts.
         * Note:  Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
         */
-       iwl_write32(priv, CSR_INT, priv->inta);
+       /* There is a hardware bug in the interrupt mask function that some
+        * interrupts (i.e. CSR_INT_BIT_SCD) can still be generated even if
+        * they are disabled in the CSR_INT_MASK register. Furthermore the
+        * ICT interrupt handling mechanism has another bug that might cause
+        * these unmasked interrupts fail to be detected. We workaround the
+        * hardware bugs here by ACKing all the possible interrupts so that
+        * interrupt coalescing can still be achieved.
+        */
+       iwl_write32(priv, CSR_INT, priv->inta | ~priv->inta_mask);
 
        inta = priv->inta;
 
@@ -2645,7 +2653,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv)
                BIT(NL80211_IFTYPE_STATION) |
                BIT(NL80211_IFTYPE_ADHOC);
 
-       hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
+       hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
                            WIPHY_FLAG_DISABLE_BEACON_HINTS;
 
        /*