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authorJohn W. Linville <linville@tuxdriver.com>2010-04-08 13:34:54 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-04-08 13:34:54 -0400
commit0f2df9eac70423838a1f8d410fd3899ddd88317b (patch)
tree0617f723320d83eca5cef9c964c001014e74213f /drivers/net/wireless/iwlwifi/iwl-agn.c
parent8c11e4ab09ffb975a89802dde0e9aa52a53b8aa5 (diff)
parent1144601118507f8b3b676a9a392584d216d3f2cc (diff)
downloadlwn-0f2df9eac70423838a1f8d410fd3899ddd88317b.tar.gz
lwn-0f2df9eac70423838a1f8d410fd3899ddd88317b.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into merge
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ath5k/phy.c drivers/net/wireless/iwlwifi/iwl-4965.c drivers/net/wireless/iwlwifi/iwl-agn.c drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/iwlwifi/iwl-core.h drivers/net/wireless/iwlwifi/iwl-tx.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 629cbf38aa9b..4f0cb803f732 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1229,7 +1229,15 @@ 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->_agn.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->_agn.inta | ~priv->inta_mask);
inta = priv->_agn.inta;
@@ -2653,7 +2661,7 @@ 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;
/*
@@ -2662,7 +2670,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv)
*/
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
- hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX + 1;
+ hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
/* we create the 802.11 header and a zero-length SSID element */
hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;