iwlwifi: move iwl_dump_nic_error_log to iwlcore module

This patch moves the function iwl_dump_nic_error_log to iwlcore.
Remove sysfs entry it cannot be really triggered.
Signed-off-by: Ester Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -1056,6 +1056,78 @@ int iwl_verify_ucode(struct iwl_priv *priv)
 EXPORT_SYMBOL(iwl_verify_ucode);
 
 
+static const char *desc_lookup(int i)
+{
+	switch (i) {
+	case 1:
+		return "FAIL";
+	case 2:
+		return "BAD_PARAM";
+	case 3:
+		return "BAD_CHECKSUM";
+	case 4:
+		return "NMI_INTERRUPT";
+	case 5:
+		return "SYSASSERT";
+	case 6:
+		return "FATAL_ERROR";
+	}
+
+	return "UNKNOWN";
+}
+
+#define ERROR_START_OFFSET  (1 * sizeof(u32))
+#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
+
+void iwl_dump_nic_error_log(struct iwl_priv *priv)
+{
+	u32 data2, line;
+	u32 desc, time, count, base, data1;
+	u32 blink1, blink2, ilink1, ilink2;
+	int rc;
+
+	base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+
+	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+		IWL_ERROR("Not valid error log pointer 0x%08X\n", base);
+		return;
+	}
+
+	rc = iwl_grab_nic_access(priv);
+	if (rc) {
+		IWL_WARNING("Can not read from adapter at this time.\n");
+		return;
+	}
+
+	count = iwl_read_targ_mem(priv, base);
+
+	if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
+		IWL_ERROR("Start IWL Error Log Dump:\n");
+		IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count);
+	}
+
+	desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
+	blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
+	blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
+	ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
+	ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
+	data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
+	data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
+	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
+	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
+
+	IWL_ERROR("Desc        Time       "
+		"data1      data2      line\n");
+	IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n",
+		desc_lookup(desc), desc, time, data1, data2, line);
+	IWL_ERROR("blink1  blink2  ilink1  ilink2\n");
+	IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
+		ilink1, ilink2);
+
+	iwl_release_nic_access(priv);
+}
+EXPORT_SYMBOL(iwl_dump_nic_error_log);
+
 #define EVENT_START_OFFSET  (4 * sizeof(u32))
 
 /**

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -237,6 +237,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 ******************************************************/
 void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 			 u32 num_events, u32 mode);
+void iwl_dump_nic_error_log(struct iwl_priv *priv);
 void iwl_dump_nic_event_log(struct iwl_priv *priv);
 
 /*************** DRIVER STATUS FUNCTIONS   *****/

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -2613,76 +2613,6 @@ static inline void iwl4965_disable_interrupts(struct iwl_priv *priv)
 	IWL_DEBUG_ISR("Disabled interrupts\n");
 }
 
-static const char *desc_lookup(int i)
-{
-	switch (i) {
-	case 1:
-		return "FAIL";
-	case 2:
-		return "BAD_PARAM";
-	case 3:
-		return "BAD_CHECKSUM";
-	case 4:
-		return "NMI_INTERRUPT";
-	case 5:
-		return "SYSASSERT";
-	case 6:
-		return "FATAL_ERROR";
-	}
-
-	return "UNKNOWN";
-}
-
-#define ERROR_START_OFFSET  (1 * sizeof(u32))
-#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
-
-static void iwl4965_dump_nic_error_log(struct iwl_priv *priv)
-{
-	u32 data2, line;
-	u32 desc, time, count, base, data1;
-	u32 blink1, blink2, ilink1, ilink2;
-	int rc;
-
-	base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
-
-	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
-		IWL_ERROR("Not valid error log pointer 0x%08X\n", base);
-		return;
-	}
-
-	rc = iwl_grab_nic_access(priv);
-	if (rc) {
-		IWL_WARNING("Can not read from adapter at this time.\n");
-		return;
-	}
-
-	count = iwl_read_targ_mem(priv, base);
-
-	if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
-		IWL_ERROR("Start IWL Error Log Dump:\n");
-		IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count);
-	}
-
-	desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
-	blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
-	blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
-	ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
-	ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
-	data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
-	data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
-	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
-	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
-
-	IWL_ERROR("Desc               Time       "
-		  "data1      data2      line\n");
-	IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n",
-		  desc_lookup(desc), desc, time, data1, data2, line);
-	IWL_ERROR("blink1  blink2  ilink1  ilink2\n");
-	IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
-		  ilink1, ilink2);
-
-	iwl_release_nic_access(priv);
-}
 
 /**
  * iwl4965_irq_handle_error - called for HW or SW error interrupt from card
@@ -2697,7 +2627,7 @@ static void iwl4965_irq_handle_error(struct iwl_priv *priv)
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (priv->debug_level & IWL_DL_FW_ERRORS) {
-		iwl4965_dump_nic_error_log(priv);
+		iwl_dump_nic_error_log(priv);
 		iwl_dump_nic_event_log(priv);
 		iwl4965_print_rx_config_cmd(priv);
 	}
@@ -5519,20 +5449,6 @@ static ssize_t show_status(struct device *d,
 
 static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
 
-static ssize_t dump_error_log(struct device *d,
-			      struct device_attribute *attr,
-			      const char *buf, size_t count)
-{
-	char *p = (char *)buf;
-
-	if (p[0] == '1')
-		iwl4965_dump_nic_error_log((struct iwl_priv *)d->driver_data);
-
-	return strnlen(buf, count);
-}
-
-static DEVICE_ATTR(dump_errors, S_IWUSR, NULL, dump_error_log);
-
 /*****************************************************************************
  *
  * driver setup and teardown
@@ -5578,7 +5494,6 @@ static void iwl4965_cancel_deferred_work(struct iwl_priv *priv)
 
 static struct attribute *iwl4965_sysfs_entries[] = {
 	&dev_attr_channels.attr,
-	&dev_attr_dump_errors.attr,
 	&dev_attr_flags.attr,
 	&dev_attr_filter_flags.attr,
 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT