From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-powermac.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 60a53c169ed2b3..6abcf696e3594b 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -153,12 +153,6 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap,
int read;
int addrdir;
- if (num != 1) {
- dev_err(&adap->dev,
- "Multi-message I2C transactions not supported\n");
- return -EOPNOTSUPP;
- }
-
if (msgs->flags & I2C_M_TEN)
return -EINVAL;
read = (msgs->flags & I2C_M_RD) != 0;
@@ -205,6 +199,9 @@ static const struct i2c_algorithm i2c_powermac_algorithm = {
.functionality = i2c_powermac_func,
};
+static struct i2c_adapter_quirks i2c_powermac_quirks = {
+ .max_num_msgs = 1,
+};
static int i2c_powermac_remove(struct platform_device *dev)
{
@@ -434,6 +431,7 @@ static int i2c_powermac_probe(struct platform_device *dev)
platform_set_drvdata(dev, adapter);
adapter->algo = &i2c_powermac_algorithm;
+ adapter->quirks = &i2c_powermac_quirks;
i2c_set_adapdata(adapter, bus);
adapter->dev.parent = &dev->dev;
--
2.1.4
