Add two below iwlwifi commits to iwlegacy:
commit 554d1d027b19265c4aa3f718b3126d2b86e09a08
Author: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
Date: Thu Dec 23 12:38:21 2010 +0100
iwlagn: enable only rfkill interrupt when device is down
commit 3dd823e6b86407aed1a025041d8f1df77e43a9c8
Author: Don Fry <donald.h.fry@xxxxxxxxx>
Date: Sun Feb 6 09:29:45 2011 -0800
iwlagn: Re-enable RF_KILL interrupt when down
Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
---
drivers/net/wireless/iwlegacy/iwl-helpers.h | 6 ++++++
drivers/net/wireless/iwlegacy/iwl4965-base.c | 12 ++++++++----
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/iwlegacy/iwl-helpers.h b/drivers/net/wireless/iwlegacy/iwl-helpers.h
index 02132e7..a6effda 100644
--- a/drivers/net/wireless/iwlegacy/iwl-helpers.h
+++ b/drivers/net/wireless/iwlegacy/iwl-helpers.h
@@ -149,6 +149,12 @@ static inline void iwl_legacy_disable_interrupts(struct iwl_priv *priv)
IWL_DEBUG_ISR(priv, "Disabled interrupts\n");
}
+static inline void iwl_legacy_enable_rfkill_int(struct iwl_priv *priv)
+{
+ IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
+ iwl_write32(priv, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
+}
+
static inline void iwl_legacy_enable_interrupts(struct iwl_priv *priv)
{
IWL_DEBUG_ISR(priv, "Enabling interrupts\n");
diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c
index 644bf31..46966e9 100644
--- a/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -1072,6 +1072,9 @@ static void iwl4965_irq_tasklet(struct iwl_priv *priv)
/* only Re-enable if diabled by irq */
if (test_bit(STATUS_INT_ENABLED, &priv->status))
iwl_legacy_enable_interrupts(priv);
+ /* Re-enable RF_KILL if it occurred */
+ else if (handled & CSR_INT_BIT_RF_KILL)
+ iwl_legacy_enable_rfkill_int(priv);
#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
if (iwl_legacy_get_debug_level(priv) & (IWL_DL_ISR)) {
@@ -2624,9 +2627,10 @@ void iwl4965_mac_stop(struct ieee80211_hw *hw)
flush_workqueue(priv->workqueue);
- /* enable interrupts again in order to receive rfkill changes */
+ /* User space software may expect getting rfkill changes
+ * even if interface is down */
iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
- iwl_legacy_enable_interrupts(priv);
+ iwl_legacy_enable_rfkill_int(priv);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
@@ -3406,14 +3410,14 @@ iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* 8. Enable interrupts and read RFKILL state
*********************************************/
- /* enable interrupts if needed: hw bug w/a */
+ /* enable rfkill interrupt: hw bug w/a */
pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd);
}
- iwl_legacy_enable_interrupts(priv);
+ iwl_legacy_enable_rfkill_int(priv);
/* If platform's RF_KILL switch is NOT set to KILL */
if (iwl_read32(priv, CSR_GP_CNTRL) &
--
1.7.1
--
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