diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pmac-smu.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-pmac-smu.c b/drivers/i2c/busses/i2c-pmac-smu.c index bfefe7f7a53d..7d925be3fd4b 100644 --- a/drivers/i2c/busses/i2c-pmac-smu.c +++ b/drivers/i2c/busses/i2c-pmac-smu.c @@ -103,8 +103,8 @@ static s32 smu_smbus_xfer( struct i2c_adapter* adap, cmd.info.subaddr[1] = 0; cmd.info.subaddr[2] = 0; if (!read) { - cmd.info.data[0] = data->byte & 0xff; - cmd.info.data[1] = (data->byte >> 8) & 0xff; + cmd.info.data[0] = data->word & 0xff; + cmd.info.data[1] = (data->word >> 8) & 0xff; } break; /* Note that these are broken vs. the expected smbus API where @@ -116,7 +116,7 @@ static s32 smu_smbus_xfer( struct i2c_adapter* adap, case I2C_SMBUS_BLOCK_DATA: cmd.info.type = SMU_I2C_TRANSFER_STDSUB; cmd.info.datalen = data->block[0] + 1; - if (cmd.info.datalen > 6) + if (cmd.info.datalen > (SMU_I2C_WRITE_MAX + 1)) return -EINVAL; if (!read) memcpy(cmd.info.data, data->block, cmd.info.datalen); @@ -273,7 +273,13 @@ static int dispose_iface(struct device *dev) static int create_iface_of_platform(struct of_device* dev, const struct of_device_id *match) { - return create_iface(dev->node, &dev->dev); + struct device_node *node = dev->node; + + if (device_is_compatible(node, "smu-i2c") || + (node->parent != NULL && + device_is_compatible(node->parent, "smu-i2c-control"))) + return create_iface(node, &dev->dev); + return -ENODEV; } @@ -288,6 +294,9 @@ static struct of_device_id i2c_smu_match[] = { .compatible = "smu-i2c", }, + { + .compatible = "i2c-bus", + }, {}, }; static struct of_platform_driver i2c_smu_of_platform_driver = |