diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 38b2946..7cde9d7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -376,7 +376,9 @@
 {
 	int ret;
 	unsigned long flags;
-	unsigned int rb_size;
+	u32 rb_size;
+	const u32 rfdnlog = RX_QUEUE_SIZE_LOG; /* 256 RBDs */
+	const u32 rb_timeout = 0; /* FIXME: RX_RB_TIMEOUT why this stalls RX */
 
 	spin_lock_irqsave(&priv->lock, flags);
 	ret = iwl_grab_nic_access(priv);
@@ -398,26 +400,32 @@
 
 	/* Tell device where to find RBD circular buffer in DRAM */
 	iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG,
-			   rxq->dma_addr >> 8);
+			   (u32)(rxq->dma_addr >> 8));
 
 	/* Tell device where in DRAM to update its Rx status */
 	iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG,
 			   (priv->shared_phys + priv->rb_closed_offset) >> 4);
 
-	/* Enable Rx DMA, enable host interrupt, Rx buffer size 4k, 256 RBDs */
+	/* Enable Rx DMA
+	 * FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY is set becuase of HW bug in
+	 *      the credit mechanism in 5000 HW RX FIFO
+	 * Direct rx interrupts to hosts
+	 * Rx buffer size 4 or 8k
+	 * RB timeout 0x10
+	 * 256 RBDs
+	 */
 	iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG,
 			   FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
+			   FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY |
 			   FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
-			   rb_size |
-			     /* 0x10 << 4 | */
-			   (RX_QUEUE_SIZE_LOG <<
-			      FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT));
-
-	/*
-	 * iwl_write32(priv,CSR_INT_COAL_REG,0);
-	 */
+			   rb_size|
+			   (rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
+			   (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
 
 	iwl_release_nic_access(priv);
+
+	iwl_write32(priv, CSR_INT_COALESCING, 0x40);
+
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	return 0;