3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index e25e13980af3..a39e6cff86e7 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -24,7 +24,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
@@ -522,6 +521,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 	int i, ret;
 	unsigned short nak_ok;
 
+	if (adap->pre_xfer) {
+		ret = adap->pre_xfer(i2c_adap);
+		if (ret < 0)
+			return ret;
+	}
+
 	bit_dbg(3, &i2c_adap->dev, "emitting start condition\n");
 	i2c_start(adap);
 	for (i = 0; i < num; i++) {
@@ -570,6 +575,9 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 bailout:
 	bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");
 	i2c_stop(adap);
+
+	if (adap->post_xfer)
+		adap->post_xfer(i2c_adap);
 	return ret;
 }
 
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 78d42aae0089..dcdaf8e675bf 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -453,8 +453,6 @@ static int pca_init(struct i2c_adapter *adap)
 		 */
 		int raise_fall_time;
 
-		struct i2c_algo_pca_data *pca_data = adap->algo_data;
-
 		/* Ignore the reset function from the module,
 		 * we can use the parallel bus reset
 		 */
diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 7ce75775ec73..5eebf562ff31 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -29,7 +29,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
@@ -176,7 +175,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap)
 	 */
 	if (((temp = get_pcf(adap, 1)) & 0x7f) != (0)) {
 		DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S0 (0x%02x).\n", temp));
-		return -ENXIO; /* definetly not PCF8584 */
+		return -ENXIO; /* definitely not PCF8584 */
 	}
 
 	/* load own address in S0, effective address is (own << 1) */