---

yaml
---
r: 40455
b: refs/heads/master
c: 84b5abe
h: refs/heads/master
i:
  40453: 6b2848c
  40451: ecf8d76
  40447: 88bcbb1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e0f205d9c656da9dad6340f75e33a96014b7d23f
+refs/heads/master: 84b5abe69ff600a559e1a1fa29f1edad707d4e2f

trunk/drivers/i2c/busses/i2c-pxa.c

@@ -272,7 +272,8 @@ static int i2c_pxa_wait_slave(struct pxa_i2c *i2c)
 			dev_dbg(&i2c->adap.dev, "%s: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n",
 				__func__, (long)jiffies, ISR, ICR, IBMR);
 
-		if ((ISR & (ISR_UB|ISR_IBB|ISR_SAD)) == ISR_SAD ||
+		if ((ISR & (ISR_UB|ISR_IBB)) == 0 ||
+		    (ISR & ISR_SAD) != 0 ||
 		    (ICR & ICR_SCLE) == 0) {
 			if (i2c_debug > 1)
 				dev_dbg(&i2c->adap.dev, "%s: done\n", __func__);
@@ -492,7 +493,10 @@ static void i2c_pxa_slave_txempty(struct pxa_i2c *i2c, u32 isr)
 	if (isr & ISR_BED) {
 		/* what should we do here? */
 	} else {
-		int ret = i2c->slave->read(i2c->slave->data);
+		int ret = 0;
+
+		if (i2c->slave != NULL)
+			ret = i2c->slave->read(i2c->slave->data);
 
 		IDBR = ret;
 		ICR |= ICR_TB;   /* allow next byte */