Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

7 files changed, 69 insertions, 38 deletions

diff --git a/drivers/net/wireless/iwlwifi/pcie/1000.c b/drivers/net/wireless/iwlwifi/pcie/1000.c
index 81b83f484f08..f8620ecae6b4 100644
--- a/drivers/net/wireless/iwlwifi/pcie/1000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/1000.c
@@ -94,8 +94,8 @@ static const struct iwl_eeprom_params iwl1000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_1000,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_1000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
 	.base_params = &iwl1000_base_params,			\
 	.eeprom_params = &iwl1000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -119,8 +119,8 @@ const struct iwl_cfg iwl1000_bg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_100,			\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_1000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_1000_TX_POWER_VERSION,	\
 	.base_params = &iwl1000_base_params,			\
 	.eeprom_params = &iwl1000_eeprom_params,		\
 	.led_mode = IWL_LED_RF_STATE,				\
diff --git a/drivers/net/wireless/iwlwifi/pcie/2000.c b/drivers/net/wireless/iwlwifi/pcie/2000.c
index 9fbde32f7559..244019cec3e1 100644
--- a/drivers/net/wireless/iwlwifi/pcie/2000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/2000.c
@@ -138,8 +138,8 @@ static const struct iwl_eeprom_params iwl20x0_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_2000,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2000_base_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -166,8 +166,8 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_2030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2030_base_params,			\
 	.bt_params = &iwl2030_bt_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
@@ -190,8 +190,8 @@ const struct iwl_cfg iwl2030_2bgn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_105,			\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2000_base_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -220,8 +220,8 @@ const struct iwl_cfg iwl105_bgn_d_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_135,			\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
 	.base_params = &iwl2030_base_params,			\
 	.bt_params = &iwl2030_bt_params,			\
 	.eeprom_params = &iwl20x0_eeprom_params,		\
diff --git a/drivers/net/wireless/iwlwifi/pcie/5000.c b/drivers/net/wireless/iwlwifi/pcie/5000.c
index d1665fa6d15a..83ca40321ff1 100644
--- a/drivers/net/wireless/iwlwifi/pcie/5000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/5000.c
@@ -92,8 +92,8 @@ static const struct iwl_eeprom_params iwl5000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_5000,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_5000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_5000_TX_POWER_VERSION,	\
 	.base_params = &iwl5000_base_params,			\
 	.eeprom_params = &iwl5000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -139,8 +139,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_5000,
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,
-	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+	.nvm_ver = EEPROM_5050_EEPROM_VERSION,
+	.nvm_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.base_params = &iwl5000_base_params,
 	.eeprom_params = &iwl5000_eeprom_params,
 	.ht_params = &iwl5000_ht_params,
@@ -156,8 +156,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_5150,		\
 	.max_inst_size = IWLAGN_RTC_INST_SIZE,			\
 	.max_data_size = IWLAGN_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_5050_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_5050_TX_POWER_VERSION,	\
 	.base_params = &iwl5000_base_params,			\
 	.eeprom_params = &iwl5000_eeprom_params,		\
 	.no_xtal_calib = true,					\
diff --git a/drivers/net/wireless/iwlwifi/pcie/6000.c b/drivers/net/wireless/iwlwifi/pcie/6000.c
index 4a57624afc40..d4df976d4709 100644
--- a/drivers/net/wireless/iwlwifi/pcie/6000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/6000.c
@@ -160,8 +160,8 @@ static const struct iwl_eeprom_params iwl6000_eeprom_params = {
 	.device_family = IWL_DEVICE_FAMILY_6005,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6005_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6005_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6005_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.need_temp_offset_calib = true,				\
@@ -215,8 +215,8 @@ const struct iwl_cfg iwl6005_2agn_mow2_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6030_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6030_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.bt_params = &iwl6000_bt_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
@@ -254,8 +254,8 @@ const struct iwl_cfg iwl6030_2bg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6030,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6030_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6030_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_g2_base_params,			\
 	.bt_params = &iwl6000_bt_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
@@ -306,8 +306,8 @@ const struct iwl_cfg iwl130_bg_cfg = {
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
 	.valid_tx_ant = ANT_BC,		/* .cfg overwrite */	\
 	.valid_rx_ant = ANT_BC,		/* .cfg overwrite */	\
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6000_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6000_TX_POWER_VERSION,	\
 	.base_params = &iwl6000_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK
@@ -337,8 +337,8 @@ const struct iwl_cfg iwl6000i_2bg_cfg = {
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
 	.valid_tx_ant = ANT_AB,		/* .cfg overwrite */	\
 	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */	\
-	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6050_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6050_TX_POWER_VERSION,	\
 	.base_params = &iwl6050_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK,				\
@@ -362,8 +362,8 @@ const struct iwl_cfg iwl6050_2abg_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6150,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
-	.eeprom_ver = EEPROM_6150_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION,	\
+	.nvm_ver = EEPROM_6150_EEPROM_VERSION,		\
+	.nvm_calib_ver = EEPROM_6150_TX_POWER_VERSION,	\
 	.base_params = &iwl6050_base_params,			\
 	.eeprom_params = &iwl6000_eeprom_params,		\
 	.led_mode = IWL_LED_BLINK,				\
@@ -389,8 +389,8 @@ const struct iwl_cfg iwl6000_3agn_cfg = {
 	.device_family = IWL_DEVICE_FAMILY_6000,
 	.max_inst_size = IWL60_RTC_INST_SIZE,
 	.max_data_size = IWL60_RTC_DATA_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
+	.nvm_ver = EEPROM_6000_EEPROM_VERSION,
+	.nvm_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.base_params = &iwl6000_base_params,
 	.eeprom_params = &iwl6000_eeprom_params,
 	.ht_params = &iwl6000_ht_params,
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 2b7e8a0b1cd4..c2e141af353c 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -267,6 +267,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 	struct iwl_trans *iwl_trans;
 	struct iwl_trans_pcie *trans_pcie;
+	int ret;
 
 	iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
 	if (iwl_trans == NULL)
@@ -276,11 +277,15 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
 	trans_pcie->drv = iwl_drv_start(iwl_trans, cfg);
-	if (!trans_pcie->drv)
+
+	if (IS_ERR_OR_NULL(trans_pcie->drv)) {
+		ret = PTR_ERR(trans_pcie->drv);
 		goto out_free_trans;
+	}
 
 	/* register transport layer debugfs here */
-	if (iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir))
+	ret = iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir);
+	if (ret)
 		goto out_free_drv;
 
 	return 0;
@@ -290,7 +295,7 @@ out_free_drv:
 out_free_trans:
 	iwl_trans_pcie_free(iwl_trans);
 	pci_set_drvdata(pdev, NULL);
-	return -EFAULT;
+	return ret;
 }
 
 static void iwl_pci_remove(struct pci_dev *pdev)
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index bb32510fdd62..dad4c4aad91f 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -717,7 +717,7 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans)
 
 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
 	 * buffer that the driver may process (last buffer filled by ucode). */
-	r = le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF;
+	r = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF;
 	i = rxq->read;
 
 	/* Rx interrupt, but nothing sent from uCode */
@@ -1122,12 +1122,20 @@ static irqreturn_t iwl_pcie_isr(int irq, void *data)
 	 *    back-to-back ISRs and sporadic interrupts from our NIC.
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 	/* Discover which interrupts are active/pending */
 	inta = iwl_read32(trans, CSR_INT);
 
+	if (inta & (~inta_mask)) {
+		IWL_DEBUG_ISR(trans,
+			      "We got a masked interrupt (0x%08x)...Ack and ignore\n",
+			      inta & (~inta_mask));
+		iwl_write32(trans, CSR_INT, inta & (~inta_mask));
+		inta &= inta_mask;
+	}
+
 	/* Ignore interrupt if there's nothing in NIC to service.
 	 * This may be due to IRQ shared with another device,
 	 * or due to sporadic interrupts thrown from our NIC. */
@@ -1209,7 +1217,7 @@ irqreturn_t iwl_pcie_isr_ict(int irq, void *data)
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here.
 	 */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 	/* Ignore interrupt if there's nothing in NIC to service.
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f6c21e7edaf2..d66cad4a7d6a 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -633,6 +633,8 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans,
 	iwl_disable_interrupts(trans);
 	spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
 
+	iwl_pcie_disable_ict(trans);
+
 	if (!op_mode_leaving) {
 		/*
 		 * Even if we stop the HW, we still want the RF kill
@@ -666,6 +668,20 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
 	return readl(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
 }
 
+static u32 iwl_trans_pcie_read_prph(struct iwl_trans *trans, u32 reg)
+{
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
+	return iwl_trans_pcie_read32(trans, HBUS_TARG_PRPH_RDAT);
+}
+
+static void iwl_trans_pcie_write_prph(struct iwl_trans *trans, u32 addr,
+				      u32 val)
+{
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WADDR,
+			       ((addr & 0x0000FFFF) | (3 << 24)));
+	iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WDAT, val);
+}
+
 static void iwl_trans_pcie_configure(struct iwl_trans *trans,
 				     const struct iwl_trans_config *trans_cfg)
 {
@@ -1221,6 +1237,8 @@ static const struct iwl_trans_ops trans_ops_pcie = {
 	.write8 = iwl_trans_pcie_write8,
 	.write32 = iwl_trans_pcie_write32,
 	.read32 = iwl_trans_pcie_read32,
+	.read_prph = iwl_trans_pcie_read_prph,
+	.write_prph = iwl_trans_pcie_write_prph,
 	.configure = iwl_trans_pcie_configure,
 	.set_pmi = iwl_trans_pcie_set_pmi,
 };