From: Michael Shych <michaelsh@mellanox.com>
Date: Tue, 27 Mar 2018 14:01:24 +0000
Subject: i2c: mlxcpld: Fix adapter functionality support callback
Patch-mainline: v4.18-rc1
Git-commit: 845f2a6d00791f1f8541ae4c69a70a6be6d21fb8
References: bsc#1112374
It fixes report about supported functionality.
Functionality can be different up to CPLD capability.
Fixes: 6bec23bff9149 (i2c: mlxcpld: add master driver for mellanox systems)
Signed-off-by: Michael Shych <michaelsh@mellanox.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/i2c/busses/i2c-mlxcpld.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -450,7 +450,14 @@ static int mlxcpld_i2c_xfer(struct i2c_a
static u32 mlxcpld_i2c_func(struct i2c_adapter *adap)
{
- return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA;
+ struct mlxcpld_i2c_priv *priv = i2c_get_adapdata(adap);
+
+ if (priv->smbus_block)
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
+ I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_BLOCK_DATA;
+ else
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
+ I2C_FUNC_SMBUS_I2C_BLOCK;
}
static const struct i2c_algorithm mlxcpld_i2c_algo = {