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iwlegacy: enable only rfkill interrupt when device is down 

Add two below iwlwifi commits to iwlegacy:

commit 554d1d027b
Author: Stanislaw Gruszka <sgruszka@redhat.com>
Date:   Thu Dec 23 12:38:21 2010 +0100

    iwlagn: enable only rfkill interrupt when device is down

commit 3dd823e6b8
Author: Don Fry <donald.h.fry@intel.com>
Date:   Sun Feb 6 09:29:45 2011 -0800

    iwlagn: Re-enable RF_KILL interrupt when down

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2011-04-28 11:51:25 +02:00 committed by John W. Linville
parent ab42b40417
commit a078a1fde1
2 changed files with 14 additions and 4 deletions
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6
drivers/net/wireless/iwlegacy/iwl-helpers.h
View File

@ -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");

12
drivers/net/wireless/iwlegacy/iwl4965-base.c
View File

@ -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) &