Merge master.kernel.org:/home/rmk/linux-2.6-arm

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 70f7ab829d3..86e2234faf8 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -899,6 +899,12 @@ static int i2c_pxa_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num
 	struct pxa_i2c *i2c = adap->algo_data;
 	int ret, i;
 
+	/* If the I2C controller is disabled we need to reset it (probably due
+ 	   to a suspend/resume destroying state). We do this here as we can then
+ 	   avoid worrying about resuming the controller before its users. */
+	if (!(ICR & ICR_IUE))
+		i2c_pxa_reset(i2c);
+
 	for (i = adap->retries; i >= 0; i--) {
 		ret = i2c_pxa_do_xfer(i2c, msgs, num);
 		if (ret != I2C_RETRY)
@@ -939,7 +945,9 @@ static struct pxa_i2c i2c_pxa = {
 static int i2c_pxa_probe(struct platform_device *dev)
 {
 	struct pxa_i2c *i2c = &i2c_pxa;
+#ifdef CONFIG_I2C_PXA_SLAVE
 	struct i2c_pxa_platform_data *plat = dev->dev.platform_data;
+#endif
 	int ret;
 
 #ifdef CONFIG_PXA27x
@@ -1024,5 +1032,7 @@ static void i2c_adap_pxa_exit(void)
 	return platform_driver_unregister(&i2c_pxa_driver);
 }
 
+MODULE_LICENSE("GPL");
+
 module_init(i2c_adap_pxa_init);
 module_exit(i2c_adap_pxa_exit);