From: Ben Cahill <ben.m.cahill@xxxxxxxxx>
Add/clarify comments and debug messages for interrupt used only for uCode load
Signed-off-by: Ben Cahill <ben.m.cahill@xxxxxxxxx>
Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-agn.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a6dce23..f36a7d1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1034,11 +1034,12 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
}
+ /* This "Tx" DMA channel is used only for loading uCode */
if (inta & CSR_INT_BIT_FH_TX) {
- IWL_DEBUG_ISR(priv, "Tx interrupt\n");
+ IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
priv->isr_stats.tx++;
handled |= CSR_INT_BIT_FH_TX;
- /* FH finished to write, send event */
+ /* Wake up uCode load routine, now that load is complete */
priv->ucode_write_complete = 1;
wake_up_interruptible(&priv->wait_command_queue);
}
@@ -1235,12 +1236,13 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
iwl_leds_background(priv);
}
+ /* This "Tx" DMA channel is used only for loading uCode */
if (inta & CSR_INT_BIT_FH_TX) {
iwl_write32(priv, CSR_FH_INT_STATUS, CSR49_FH_INT_TX_MASK);
- IWL_DEBUG_ISR(priv, "Tx interrupt\n");
+ IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
priv->isr_stats.tx++;
handled |= CSR_INT_BIT_FH_TX;
- /* FH finished to write, send event */
+ /* Wake up uCode load routine, now that load is complete */
priv->ucode_write_complete = 1;
wake_up_interruptible(&priv->wait_command_queue);
}
--
1.5.6.3
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