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path: root/drivers/i2c/busses/i2c-powermac.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-powermac.c')
-rw-r--r--drivers/i2c/busses/i2c-powermac.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index df786eb55295..a508cb962d24 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -20,7 +20,6 @@
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -149,8 +148,6 @@ 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;
@@ -167,7 +164,7 @@ 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 : msgs->len;
+ return rc < 0 ? rc : 1;
}
static u32 i2c_powermac_func(struct i2c_adapter * adapter)
@@ -178,7 +175,7 @@ static u32 i2c_powermac_func(struct i2c_adapter * adapter)
}
/* For now, we only handle smbus */
-static struct i2c_algorithm i2c_powermac_algorithm = {
+static const struct i2c_algorithm i2c_powermac_algorithm = {
.smbus_xfer = i2c_powermac_smbus_xfer,
.master_xfer = i2c_powermac_master_xfer,
.functionality = i2c_powermac_func,
@@ -210,7 +207,8 @@ static int i2c_powermac_probe(struct device *dev)
struct pmac_i2c_bus *bus = dev->platform_data;
struct device_node *parent = NULL;
struct i2c_adapter *adapter;
- char name[32], *basename;
+ char name[32];
+ const char *basename;
int rc;
if (bus == NULL)
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