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authorJohannes Berg <johannes.berg@intel.com>2012-03-06 13:30:43 -0800
committerJohn W. Linville <linville@tuxdriver.com>2012-03-07 13:51:50 -0500
commitc9eec95cb429359efd39a3c87fb1544fe2b77bc5 (patch)
tree2ae15d07c7ae9cf7e03e62eae706a5abb51e6a67
parentb1eea297d6b522b801c95b60b1e64fb61228c6c7 (diff)
iwlwifi: move rfkill status handling out of transport
The transport layer should only check the hardware RF kill status, not impose any policy or reaction based on it, so move that out of it into the op_mode. For now keep the restriction on loading firmware, that will have to be removed later. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c24
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie.c39
3 files changed, 22 insertions, 46 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 387eeeedb41..a2ef78c6af6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1460,6 +1460,11 @@ void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+ if (state)
+ set_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
+ else
+ clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
+
wiphy_rfkill_set_hw_state(priv->hw->wiphy, state);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
index c3c2de3b316..e8d3129d5bd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
@@ -1016,30 +1016,16 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
/* HW RF KILL switch toggled */
if (inta & CSR_INT_BIT_RF_KILL) {
- int hw_rf_kill = 0;
- if (!(iwl_read32(trans, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rf_kill = 1;
+ bool hw_rfkill;
+ hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
IWL_WARN(trans, "RF_KILL bit toggled to %s.\n",
- hw_rf_kill ? "disable radio" : "enable radio");
+ hw_rfkill ? "disable radio" : "enable radio");
isr_stats->rfkill++;
- /* driver only loads ucode once setting the interface up.
- * the driver allows loading the ucode even if the radio
- * is killed. Hence update the killswitch state here. The
- * rfkill handler will care about restarting if needed.
- */
- if (!test_bit(STATUS_ALIVE, &trans->shrd->status)) {
- if (hw_rf_kill)
- set_bit(STATUS_RF_KILL_HW,
- &trans->shrd->status);
- else
- clear_bit(STATUS_RF_KILL_HW,
- &trans->shrd->status);
- iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rf_kill);
- }
+ iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
handled |= CSR_INT_BIT_RF_KILL;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index d7dbd80eb10..4a05216242a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1021,6 +1021,7 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
int ret;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
+ bool hw_rfkill;
trans->shrd->ucode_owner = IWL_OWNERSHIP_DRIVER;
trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue;
@@ -1039,14 +1040,11 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
}
/* If platform's RF_KILL switch is NOT set to KILL */
- if (iwl_read32(trans, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
- else
- set_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
+ hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
+ iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
- if (iwl_is_rfkill(trans->shrd)) {
- iwl_op_mode_hw_rf_kill(trans->op_mode, true);
+ if (hw_rfkill) {
iwl_enable_interrupts(trans);
return -ERFKILL;
}
@@ -1506,6 +1504,7 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
int err;
+ bool hw_rfkill;
trans_pcie->inta_mask = CSR_INI_SET_MASK;
@@ -1535,16 +1534,9 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
iwl_apm_init(trans);
- /* If platform's RF_KILL switch is NOT set to KILL */
- if (iwl_read32(trans,
- CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
- else
- set_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
-
- iwl_op_mode_hw_rf_kill(trans->op_mode,
- test_bit(STATUS_RF_KILL_HW,
- &trans->shrd->status));
+ hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
+ iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
return err;
@@ -1659,19 +1651,12 @@ static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
static int iwl_trans_pcie_resume(struct iwl_trans *trans)
{
- bool hw_rfkill = false;
+ bool hw_rfkill;
iwl_enable_interrupts(trans);
- if (!(iwl_read32(trans, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rfkill = true;
-
- if (hw_rfkill)
- set_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
- else
- clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status);
-
+ hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
return 0;