---

yaml --- r: 183837 b: refs/heads/master c: 2be7670 h: refs/heads/master i: 183835: aae8025 v: v3
git-mirror · Jan 19, 2010 · 191f8c4 · 191f8c4
1 parent 2170c6d
commit 191f8c4
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Showing 4 changed files with 20 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 937c397eb633b804d9a806d08c395ecfc42b1fec
+refs/heads/master: 2be76703a3afb281155894ac52d34f7f5d736633
diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-core.c b/trunk/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -257,8 +257,8 @@ int iwl_hw_nic_init(struct iwl_priv *priv)
 	spin_lock_irqsave(&priv->lock, flags);
 	priv->cfg->ops->lib->apm_ops.init(priv);
 
-	/* Set interrupt coalescing timer to 512 usecs */
-	iwl_write8(priv, CSR_INT_COALESCING, 512 / 32);
+	/* Set interrupt coalescing calibration timer to default (512 usecs) */
+	iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF);
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 

diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-dev.h b/trunk/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1011,6 +1011,21 @@ struct iwl_event_log {
 	int wraps_more_count;
 };
 
+/*
+ * host interrupt timeout value
+ * used with setting interrupt coalescing timer
+ * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
+ *
+ * default interrupt coalescing timer is 64 x 32 = 2048 usecs
+ * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
+ */
+#define IWL_HOST_INT_TIMEOUT_MAX	(0xFF)
+#define IWL_HOST_INT_TIMEOUT_DEF	(0x40)
+#define IWL_HOST_INT_TIMEOUT_MIN	(0x0)
+#define IWL_HOST_INT_CALIB_TIMEOUT_MAX	(0xFF)
+#define IWL_HOST_INT_CALIB_TIMEOUT_DEF	(0x10)
+#define IWL_HOST_INT_CALIB_TIMEOUT_MIN	(0x0)
+
 struct iwl_priv {
 
 	/* ieee device used by generic ieee processing code */

diff --git a/trunk/drivers/net/wireless/iwlwifi/iwl-rx.c b/trunk/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -473,8 +473,8 @@ int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 			   (rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
 			   (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
 
-	/* Set interrupt coalescing timer to 64 x 32 = 2048 usecs */
-	iwl_write8(priv, CSR_INT_COALESCING, 0x40);
+	/* Set interrupt coalescing timer to default (2048 usecs) */
+	iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
 
 	return 0;
 }