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iwlwifi: pcie: pull out common rfkill IRQ handling code

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There's no point in duplicating exactly the same code here
for legacy and MSI-X interrupts, so pull it out into a new
function to call in both places.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2017-04-25 09:55:36 +02:00 committed by Luca Coelho
parent 8f6438f72a
commit 3a6e168baa
1 changed files with 33 additions and 49 deletions
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82
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
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@ -1509,6 +1509,36 @@ static u32 iwl_pcie_int_cause_ict(struct iwl_trans *trans)
return inta;
}
static void iwl_pcie_handle_rfkill_irq(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct isr_statistics *isr_stats = &trans_pcie->isr_stats;
bool hw_rfkill;
mutex_lock(&trans_pcie->mutex);
hw_rfkill = iwl_is_rfkill_set(trans);
if (hw_rfkill)
set_bit(STATUS_RFKILL, &trans->status);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
hw_rfkill ? "disable radio" : "enable radio");
isr_stats->rfkill++;
iwl_trans_pcie_rf_kill(trans, hw_rfkill);
mutex_unlock(&trans_pcie->mutex);
if (hw_rfkill) {
if (test_and_clear_bit(STATUS_SYNC_HCMD_ACTIVE,
&trans->status))
IWL_DEBUG_RF_KILL(trans,
"Rfkill while SYNC HCMD in flight\n");
wake_up(&trans_pcie->wait_command_queue);
} else {
clear_bit(STATUS_RFKILL, &trans->status);
}
}
irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id)
{
struct iwl_trans *trans = dev_id;
@ -1632,30 +1662,7 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id)
/* HW RF KILL switch toggled */
if (inta & CSR_INT_BIT_RF_KILL) {
bool hw_rfkill;
mutex_lock(&trans_pcie->mutex);
hw_rfkill = iwl_is_rfkill_set(trans);
if (hw_rfkill)
set_bit(STATUS_RFKILL, &trans->status);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
hw_rfkill ? "disable radio" : "enable radio");
isr_stats->rfkill++;
iwl_trans_pcie_rf_kill(trans, hw_rfkill);
mutex_unlock(&trans_pcie->mutex);
if (hw_rfkill) {
if (test_and_clear_bit(STATUS_SYNC_HCMD_ACTIVE,
&trans->status))
IWL_DEBUG_RF_KILL(trans,
"Rfkill while SYNC HCMD in flight\n");
wake_up(&trans_pcie->wait_command_queue);
} else {
clear_bit(STATUS_RFKILL, &trans->status);
}
iwl_pcie_handle_rfkill_irq(trans);
handled |= CSR_INT_BIT_RF_KILL;
}
@ -1982,31 +1989,8 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id)
}
/* HW RF KILL switch toggled */
if (inta_hw & MSIX_HW_INT_CAUSES_REG_RF_KILL) {
bool hw_rfkill;
mutex_lock(&trans_pcie->mutex);
hw_rfkill = iwl_is_rfkill_set(trans);
if (hw_rfkill)
set_bit(STATUS_RFKILL, &trans->status);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
hw_rfkill ? "disable radio" : "enable radio");
isr_stats->rfkill++;
iwl_trans_pcie_rf_kill(trans, hw_rfkill);
mutex_unlock(&trans_pcie->mutex);
if (hw_rfkill) {
if (test_and_clear_bit(STATUS_SYNC_HCMD_ACTIVE,
&trans->status))
IWL_DEBUG_RF_KILL(trans,
"Rfkill while SYNC HCMD in flight\n");
wake_up(&trans_pcie->wait_command_queue);
} else {
clear_bit(STATUS_RFKILL, &trans->status);
}
}
if (inta_hw & MSIX_HW_INT_CAUSES_REG_RF_KILL)
iwl_pcie_handle_rfkill_irq(trans);
if (inta_hw & MSIX_HW_INT_CAUSES_REG_HW_ERR) {
IWL_ERR(trans,