linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / drivers / i2c / busses / i2c-powermac.c

diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 53bb435..df786eb 100644 (file)
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -20,6 +20,7 @@
 
 */
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -148,6 +149,8 @@ static int i2c_powermac_master_xfer(        struct i2c_adapter *adap,
        int                     read;
        int                     addrdir;
 
+       if (num != 1)
+               return -EINVAL;
        if (msgs->flags & I2C_M_TEN)
                return -EINVAL;
        read = (msgs->flags & I2C_M_RD) != 0;
@@ -164,7 +167,7 @@ static int i2c_powermac_master_xfer(        struct i2c_adapter *adap,
        rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
  bail:
        pmac_i2c_close(bus);
-       return rc < 0 ? rc : 1;
+       return rc < 0 ? rc : msgs->len;
 }
 
 static u32 i2c_powermac_func(struct i2c_adapter * adapter)