---

yaml --- r: 53261 b: refs/heads/master c: 7d05481 h: refs/heads/master i: 53259: 5df7554 v: v3
git-mirror · May 1, 2007 · 5606039 · 5606039
1 parent 73a9ab9
commit 5606039
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 494dbb64dc5b369cc28542f4c4d634e57b0d7f18
+refs/heads/master: 7d054817b780e664bed6701b2aa637718e1905b7
diff --git a/trunk/drivers/i2c/busses/i2c-pxa.c b/trunk/drivers/i2c/busses/i2c-pxa.c
@@ -539,6 +539,18 @@ static inline void i2c_pxa_start_message(struct pxa_i2c *i2c)
 	writel(icr | ICR_START | ICR_TB, _ICR(i2c));
 }
 
+static inline void i2c_pxa_stop_message(struct pxa_i2c *i2c)
+{
+	u32 icr;
+
+	/*
+	 * Clear the STOP and ACK flags
+	 */
+	icr = readl(_ICR(i2c));
+	icr &= ~(ICR_STOP | ICR_ACKNAK);
+	writel(icr, _IRC(i2c));
+}
+
 /*
  * We are protected by the adapter bus mutex.
  */
@@ -581,6 +593,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2c *i2c, struct i2c_msg *msg, int num)
 	 * The rest of the processing occurs in the interrupt handler.
 	 */
 	timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5);
+	i2c_pxa_stop_message(i2c);
 
 	/*
 	 * We place the return code in i2c->msg_idx.