---

yaml --- r: 272453 b: refs/heads/master c: af06cf6 h: refs/heads/master i: 272451: b25b1ef v: v3
git-mirror · Oct 29, 2011 · 87878f2 · 87878f2
1 parent fa53198
commit 87878f2
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e18563fc560aba0d95a5a73145812a081fb38fac
+refs/heads/master: af06cf6c8cb600803951ddabe6fb034126752488
diff --git a/trunk/drivers/i2c/busses/i2c-designware-core.c b/trunk/drivers/i2c/busses/i2c-designware-core.c
@@ -521,10 +521,16 @@ static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev)
 irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
 {
 	struct dw_i2c_dev *dev = dev_id;
-	u32 stat;
+	u32 stat, enabled;
+
+	enabled = dw_readl(dev, DW_IC_ENABLE);
+	stat = dw_readl(dev, DW_IC_RAW_INTR_STAT);
+	dev_dbg(dev->dev, "%s:  %s enabled= 0x%x stat=0x%x\n", __func__,
+		dev->adapter.name, enabled, stat);
+	if (!enabled || !(stat & ~DW_IC_INTR_ACTIVITY))
+		return IRQ_NONE;
 
 	stat = i2c_dw_read_clear_intrbits(dev);
-	dev_dbg(dev->dev, "%s: stat=0x%x\n", __func__, stat);
 
 	if (stat & DW_IC_INTR_TX_ABRT) {
 		dev->cmd_err |= DW_IC_ERR_TX_ABRT;