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iwl3945: remove obsolete irq handling 

3945 hardware does not emit the interrupts CSR_INT_BIT_RF_KILL (rfkill
toggled) and CSR_INT_BIT_CT_KILL (adapter too hot). Hence this part of code
can be removed since iwl3945_irq_tasklet does not handle 4965 hw at all.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2008-12-01 16:53:28 +01:00 committed by John W. Linville
parent 8e7be8da8e
commit c58f9f635a
1 changed files with 0 additions and 29 deletions
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29
drivers/net/wireless/iwlwifi/iwl3945-base.c
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@ -4311,35 +4311,6 @@ static void iwl3945_irq_tasklet(struct iwl3945_priv *priv)
/* Safely ignore these bits for debug checks below */
inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE);
/* HW RF KILL switch toggled (4965 only) */
if (inta & CSR_INT_BIT_RF_KILL) {
int hw_rf_kill = 0;
if (!(iwl3945_read32(priv, CSR_GP_CNTRL) &
CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
hw_rf_kill = 1;
IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL | IWL_DL_ISR,
"RF_KILL bit toggled to %s.\n",
hw_rf_kill ? "disable radio" : "enable radio");
/* Queue restart only if RF_KILL switch was set to "kill"
* when we loaded driver, and is now set to "enable".
* After we're Alive, RF_KILL gets handled by
* iwl3945_rx_card_state_notif() */
if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) {
clear_bit(STATUS_RF_KILL_HW, &priv->status);
queue_work(priv->workqueue, &priv->restart);
}
handled |= CSR_INT_BIT_RF_KILL;
}
/* Chip got too hot and stopped itself (4965 only) */
if (inta & CSR_INT_BIT_CT_KILL) {
IWL_ERROR("Microcode CT kill error detected.\n");
handled |= CSR_INT_BIT_CT_KILL;
}
/* Error detected by uCode */
if (inta & CSR_INT_BIT_SW_ERR) {
IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n",