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authorDavid S. Miller <davem@davemloft.net>2010-03-31 19:32:50 -0700
committerDavid S. Miller <davem@davemloft.net>2010-03-31 19:32:50 -0700
commitd5dc056cce9e60528d5eac64efed623d26ffe46f (patch)
treeb5124013d0935be211fd1df702db2f69c581c5ab /drivers/net/wireless/iwlwifi/iwl-agn.c
parent00ae702847df5566ce9182e9c895185e2ad1c181 (diff)
parent7371400431389e1df6a2a05ab9882055b8a6ff2c (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 818367b57ba..e4c2e1e448a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1258,7 +1258,15 @@ 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;
@@ -2644,7 +2652,7 @@ 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;
/*