Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
  macvlan: fix panic if lowerdev in a bond
  tg3: Add braces around 5906 workaround.
  tg3: Fix NETIF_F_LOOPBACK error
  macvlan: remove one synchronize_rcu() call
  networking: NET_CLS_ROUTE4 depends on INET
  irda: Fix error propagation in ircomm_lmp_connect_response()
  irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
  irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
  be2net: Kill set but unused variable 'req' in lancer_fw_download()
  irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
  atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
  rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
  pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
  isdn: capi: Use pr_debug() instead of ifdefs.
  tg3: Update version to 3.119
  tg3: Apply rx_discards fix to 5719/5720
  ...

Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.

1 files changed, 65 insertions, 41 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 833194a2c639..c8397962632c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -5,7 +5,7 @@
  *
  * GPL LICENSE SUMMARY
  *
- * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -30,7 +30,7 @@
  *
  * BSD LICENSE
  *
- * Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -142,6 +142,45 @@ static const u8 iwl_eeprom_band_7[] = {       /* 5.2 ht40 channel */
  *
 ******************************************************************************/
 
+/*
+ * The device's EEPROM semaphore prevents conflicts between driver and uCode
+ * when accessing the EEPROM; each access is a series of pulses to/from the
+ * EEPROM chip, not a single event, so even reads could conflict if they
+ * weren't arbitrated by the semaphore.
+ */
+static int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv)
+{
+	u16 count;
+	int ret;
+
+	for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
+		/* Request semaphore */
+		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+			    CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
+
+		/* See if we got it */
+		ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
+				CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
+				CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
+				EEPROM_SEM_TIMEOUT);
+		if (ret >= 0) {
+			IWL_DEBUG_EEPROM(priv,
+				"Acquired semaphore after %d tries.\n",
+				count+1);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static void iwl_eeprom_release_semaphore(struct iwl_priv *priv)
+{
+	iwl_clear_bit(priv, CSR_HW_IF_CONFIG_REG,
+		CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
+
+}
+
 static int iwl_eeprom_verify_signature(struct iwl_priv *priv)
 {
 	u32 gp = iwl_read32(priv, CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK;
@@ -188,18 +227,16 @@ static void iwl_set_otp_access(struct iwl_priv *priv, enum iwl_access_mode mode)
 				CSR_OTP_GP_REG_OTP_ACCESS_MODE);
 }
 
-static int iwlcore_get_nvm_type(struct iwl_priv *priv)
+static int iwlcore_get_nvm_type(struct iwl_priv *priv, u32 hw_rev)
 {
 	u32 otpgp;
 	int nvm_type;
 
 	/* OTP only valid for CP/PP and after */
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
+	switch (hw_rev & CSR_HW_REV_TYPE_MSK) {
 	case CSR_HW_REV_TYPE_NONE:
 		IWL_ERR(priv, "Unknown hardware type\n");
 		return -ENOENT;
-	case CSR_HW_REV_TYPE_3945:
-	case CSR_HW_REV_TYPE_4965:
 	case CSR_HW_REV_TYPE_5300:
 	case CSR_HW_REV_TYPE_5350:
 	case CSR_HW_REV_TYPE_5100:
@@ -217,26 +254,20 @@ static int iwlcore_get_nvm_type(struct iwl_priv *priv)
 	return  nvm_type;
 }
 
-const u8 *iwlcore_eeprom_query_addr(const struct iwl_priv *priv, size_t offset)
-{
-	BUG_ON(offset >= priv->cfg->base_params->eeprom_size);
-	return &priv->eeprom[offset];
-}
-
 static int iwl_init_otp_access(struct iwl_priv *priv)
 {
 	int ret;
 
 	/* Enable 40MHz radio clock */
-	_iwl_write32(priv, CSR_GP_CNTRL,
-		     _iwl_read32(priv, CSR_GP_CNTRL) |
-		     CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+	iwl_write32(priv, CSR_GP_CNTRL,
+		    iwl_read32(priv, CSR_GP_CNTRL) |
+		    CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
 	/* wait for clock to be ready */
 	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-				  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-				  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-				  25000);
+				 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+				 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+				 25000);
 	if (ret < 0)
 		IWL_ERR(priv, "Time out access OTP\n");
 	else {
@@ -263,17 +294,17 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, __le16 *eeprom_dat
 	u32 r;
 	u32 otpgp;
 
-	_iwl_write32(priv, CSR_EEPROM_REG,
-		     CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
+	iwl_write32(priv, CSR_EEPROM_REG,
+		    CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
 	ret = iwl_poll_bit(priv, CSR_EEPROM_REG,
-				  CSR_EEPROM_REG_READ_VALID_MSK,
-				  CSR_EEPROM_REG_READ_VALID_MSK,
-				  IWL_EEPROM_ACCESS_TIMEOUT);
+				 CSR_EEPROM_REG_READ_VALID_MSK,
+				 CSR_EEPROM_REG_READ_VALID_MSK,
+				 IWL_EEPROM_ACCESS_TIMEOUT);
 	if (ret < 0) {
 		IWL_ERR(priv, "Time out reading OTP[%d]\n", addr);
 		return ret;
 	}
-	r = _iwl_read_direct32(priv, CSR_EEPROM_REG);
+	r = iwl_read32(priv, CSR_EEPROM_REG);
 	/* check for ECC errors: */
 	otpgp = iwl_read32(priv, CSR_OTP_GP_REG);
 	if (otpgp & CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK) {
@@ -396,7 +427,7 @@ u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset)
  *
  * NOTE:  This routine uses the non-debug IO access functions.
  */
-int iwl_eeprom_init(struct iwl_priv *priv)
+int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
 {
 	__le16 *e;
 	u32 gp = iwl_read32(priv, CSR_EEPROM_GP);
@@ -406,7 +437,7 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 	u16 validblockaddr = 0;
 	u16 cache_addr = 0;
 
-	priv->nvm_device_type = iwlcore_get_nvm_type(priv);
+	priv->nvm_device_type = iwlcore_get_nvm_type(priv, hw_rev);
 	if (priv->nvm_device_type == -ENOENT)
 		return -ENOENT;
 	/* allocate eeprom */
@@ -429,7 +460,7 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 	}
 
 	/* Make sure driver (instead of uCode) is allowed to read EEPROM */
-	ret = priv->cfg->ops->lib->eeprom_ops.acquire_semaphore(priv);
+	ret = iwl_eeprom_acquire_semaphore(priv);
 	if (ret < 0) {
 		IWL_ERR(priv, "Failed to acquire EEPROM semaphore.\n");
 		ret = -ENOENT;
@@ -444,9 +475,9 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 			ret = -ENOENT;
 			goto done;
 		}
-		_iwl_write32(priv, CSR_EEPROM_GP,
-			     iwl_read32(priv, CSR_EEPROM_GP) &
-			     ~CSR_EEPROM_GP_IF_OWNER_MSK);
+		iwl_write32(priv, CSR_EEPROM_GP,
+			    iwl_read32(priv, CSR_EEPROM_GP) &
+			    ~CSR_EEPROM_GP_IF_OWNER_MSK);
 
 		iwl_set_bit(priv, CSR_OTP_GP_REG,
 			     CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK |
@@ -473,8 +504,8 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 		for (addr = 0; addr < sz; addr += sizeof(u16)) {
 			u32 r;
 
-			_iwl_write32(priv, CSR_EEPROM_REG,
-				     CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
+			iwl_write32(priv, CSR_EEPROM_REG,
+				    CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
 
 			ret = iwl_poll_bit(priv, CSR_EEPROM_REG,
 						  CSR_EEPROM_REG_READ_VALID_MSK,
@@ -484,7 +515,7 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 				IWL_ERR(priv, "Time out reading EEPROM[%d]\n", addr);
 				goto done;
 			}
-			r = _iwl_read_direct32(priv, CSR_EEPROM_REG);
+			r = iwl_read32(priv, CSR_EEPROM_REG);
 			e[addr / 2] = cpu_to_le16(r >> 16);
 		}
 	}
@@ -496,7 +527,7 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 
 	ret = 0;
 done:
-	priv->cfg->ops->lib->eeprom_ops.release_semaphore(priv);
+	iwl_eeprom_release_semaphore(priv);
 
 err:
 	if (ret)
@@ -719,13 +750,6 @@ int iwl_init_channel_map(struct iwl_priv *priv)
 					     flags & EEPROM_CHANNEL_RADAR))
 				       ? "" : "not ");
 
-			/* Set the tx_power_user_lmt to the highest power
-			 * supported by any channel */
-			if (eeprom_ch_info[ch].max_power_avg >
-						priv->tx_power_user_lmt)
-				priv->tx_power_user_lmt =
-				    eeprom_ch_info[ch].max_power_avg;
-
 			ch_info++;
 		}
 	}