From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
These flows needs to access the APM and a few other registers that can differ
between different transports.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-agn.c | 10 +++---
drivers/net/wireless/iwlwifi/iwl-core.c | 41 -----------------------
drivers/net/wireless/iwlwifi/iwl-dev.h | 2 -
drivers/net/wireless/iwlwifi/iwl-pci.c | 4 +-
drivers/net/wireless/iwlwifi/iwl-power.c | 2 +-
drivers/net/wireless/iwlwifi/iwl-shared.h | 1 +
drivers/net/wireless/iwlwifi/iwl-trans.c | 50 +++++++++++++++++++++++++++++
drivers/net/wireless/iwlwifi/iwl-trans.h | 14 ++++++++
8 files changed, 73 insertions(+), 51 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3d224d3..e998cd0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1819,7 +1819,7 @@ int iwl_alive_start(struct iwl_priv *priv)
/* Configure Tx antenna selection based on H/W config */
iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant);
- if (iwl_is_associated_ctx(ctx) && !priv->wowlan) {
+ if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) {
struct iwl_rxon_cmd *active_rxon =
(struct iwl_rxon_cmd *)&ctx->active;
/* apply any changes in staging */
@@ -1834,7 +1834,7 @@ int iwl_alive_start(struct iwl_priv *priv)
iwlagn_set_rxon_chain(priv, ctx);
}
- if (!priv->wowlan) {
+ if (!priv->shrd->wowlan) {
/* WoWLAN ucode will not reply in the same way, skip it */
iwl_reset_run_time_calib(priv);
}
@@ -2591,7 +2591,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
iwl_trans_stop_device(trans(priv));
- priv->wowlan = true;
+ priv->shrd->wowlan = true;
ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan,
IWL_UCODE_WOWLAN);
@@ -2691,7 +2691,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
goto out;
error:
- priv->wowlan = false;
+ priv->shrd->wowlan = false;
iwlagn_prepare_restart(priv);
ieee80211_restart_hw(priv->hw);
out:
@@ -2743,7 +2743,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
/* we'll clear ctx->vif during iwlagn_prepare_restart() */
vif = ctx->vif;
- priv->wowlan = false;
+ priv->shrd->wowlan = false;
device_set_wakeup_enable(priv->bus->dev, false);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index b5e99a6..d77af69 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1900,44 +1900,3 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
return cpu_to_le32(res);
}
-#ifdef CONFIG_PM
-
-int iwl_suspend(struct iwl_priv *priv)
-{
- /*
- * This function is called when system goes into suspend state
- * mac80211 will call iwl_mac_stop() from the mac80211 suspend function
- * first but since iwl_mac_stop() has no knowledge of who the caller is,
- * it will not call apm_ops.stop() to stop the DMA operation.
- * Calling apm_ops.stop here to make sure we stop the DMA.
- *
- * But of course ... if we have configured WoWLAN then we did other
- * things already :-)
- */
- if (!priv->wowlan)
- iwl_apm_stop(priv);
-
- return 0;
-}
-
-int iwl_resume(struct iwl_priv *priv)
-{
- bool hw_rfkill = false;
-
- iwl_enable_interrupts(priv);
-
- if (!(iwl_read32(priv, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rfkill = true;
-
- if (hw_rfkill)
- 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, hw_rfkill);
-
- return 0;
-}
-
-#endif /* CONFIG_PM */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 170e310..3c6558c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1282,8 +1282,6 @@ struct iwl_priv {
u8 mac80211_registered;
- bool wowlan;
-
/* eeprom -- this is in the card's little endian byte order */
u8 *eeprom;
int nvm_device_type;
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 521d7e2..4b99090 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -517,7 +517,7 @@ static int iwl_pci_suspend(struct device *device)
* WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
*/
- return iwl_suspend(shrd->priv);
+ return iwl_trans_suspend(shrd->trans);
}
static int iwl_pci_resume(struct device *device)
@@ -536,7 +536,7 @@ static int iwl_pci_resume(struct device *device)
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
- return iwl_resume(shrd->priv);
+ return iwl_trans_resume(shrd->trans);
}
static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index f912c31..b5ca225 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -348,7 +348,7 @@ static void iwl_power_build_cmd(struct iwl_priv *priv,
dtimper = priv->hw->conf.ps_dtim_period ?: 1;
- if (priv->wowlan)
+ if (priv->shrd->wowlan)
iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, dtimper);
else if (priv->hw->conf.flags & IEEE80211_CONF_IDLE)
iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, 20);
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 539b76b..a5ef79b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -165,6 +165,7 @@ struct iwl_shared {
u8 cmd_queue;
unsigned long status;
+ bool wowlan;
struct iwl_bus *bus;
struct iwl_priv *priv;
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c
index 95d7b04..621b9a8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.c
@@ -1167,6 +1167,54 @@ static void iwl_trans_pcie_free(struct iwl_priv *priv)
trans(priv) = NULL;
}
+#ifdef CONFIG_PM
+
+static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
+{
+ /*
+ * This function is called when system goes into suspend state
+ * mac80211 will call iwl_mac_stop() from the mac80211 suspend function
+ * first but since iwl_mac_stop() has no knowledge of who the caller is,
+ * it will not call apm_ops.stop() to stop the DMA operation.
+ * Calling apm_ops.stop here to make sure we stop the DMA.
+ *
+ * But of course ... if we have configured WoWLAN then we did other
+ * things already :-)
+ */
+ if (!trans->shrd->wowlan)
+ iwl_apm_stop(priv(trans));
+
+ return 0;
+}
+
+static int iwl_trans_pcie_resume(struct iwl_trans *trans)
+{
+ bool hw_rfkill = false;
+
+ iwl_enable_interrupts(priv(trans));
+
+ if (!(iwl_read32(priv(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);
+
+ wiphy_rfkill_set_hw_state(priv(trans)->hw->wiphy, hw_rfkill);
+
+ return 0;
+}
+#else /* CONFIG_PM */
+static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
+{ return 0; }
+
+static int iwl_trans_pcie_resume(struct iwl_trans *trans)
+{ return 0; }
+
+#endif /* CONFIG_PM */
+
const struct iwl_trans_ops trans_ops_pcie;
static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd)
@@ -1456,5 +1504,7 @@ const struct iwl_trans_ops trans_ops_pcie = {
.free = iwl_trans_pcie_free,
.dbgfs_register = iwl_trans_pcie_dbgfs_register,
+ .suspend = iwl_trans_pcie_suspend,
+ .resume = iwl_trans_pcie_resume,
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 8eee910..c12763c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -102,6 +102,8 @@ struct iwl_shared;
* irq, tasklet etc...
* @dbgfs_register: add the dbgfs files under this directory. Files will be
* automatically deleted.
+ * @suspend: stop the device unless WoWLAN is configured
+ * @resume: resume activity of the device
*/
struct iwl_trans_ops {
@@ -134,6 +136,8 @@ struct iwl_trans_ops {
void (*free)(struct iwl_priv *priv);
int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
+ int (*suspend)(struct iwl_trans *trans);
+ int (*resume)(struct iwl_trans *trans);
};
/**
@@ -244,6 +248,16 @@ static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans,
return trans->ops->dbgfs_register(trans, dir);
}
+static inline int iwl_trans_suspend(struct iwl_trans *trans)
+{
+ return trans->ops->suspend(trans);
+}
+
+static inline int iwl_trans_resume(struct iwl_trans *trans)
+{
+ return trans->ops->resume(trans);
+}
+
/*****************************************************
* Transport layers implementations
******************************************************/
--
1.7.0.4
--
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