i2c: at91: Fix the functionality flags of the slave-only interface

[ Upstream commit d6d5645 ] When an I2C adapter acts only as a slave, it should not claim to support I2C master capabilities. Fixes: 9d3ca54 ("i2c: at91: added slave mode support") Signed-off-by: Jean Delvare <[email protected]> Cc: Juergen Fitschen <[email protected]> Cc: Ludovic Desroches <[email protected]> Cc: Codrin Ciubotariu <[email protected]> Cc: Andi Shyti <[email protected]> Cc: Nicolas Ferre <[email protected]> Cc: Alexandre Belloni <[email protected]> Cc: Claudiu Beznea <[email protected]> Signed-off-by: Andi Shyti <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
frank-w · Jun 21, 2024 · 572afd4 · 572afd4
1 parent a4cd607
commit 572afd4
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/drivers/i2c/busses/i2c-at91-slave.c b/drivers/i2c/busses/i2c-at91-slave.c
@@ -106,8 +106,7 @@ static int at91_unreg_slave(struct i2c_client *slave)
 
 static u32 at91_twi_func(struct i2c_adapter *adapter)
 {
-	return I2C_FUNC_SLAVE | I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL
-		| I2C_FUNC_SMBUS_READ_BLOCK_DATA;
+	return I2C_FUNC_SLAVE;
 }
 
 static const struct i2c_algorithm at91_twi_algorithm_slave = {