diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-core.c | 8 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-core.h | 1 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 8 |
3 files changed, 11 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index cd52f17028c..71055114bd8 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -457,12 +457,8 @@ done: u32 i2c_dw_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | - I2C_FUNC_10BIT_ADDR | - I2C_FUNC_SMBUS_BYTE | - I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_I2C_BLOCK; + struct dw_i2c_dev *dev = i2c_get_adapdata(adap); + return dev->functionality; } static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev) diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 43de340af57..ab4e655a6c6 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -182,6 +182,7 @@ struct dw_i2c_dev { int irq; int swab; struct i2c_adapter adapter; + u32 functionality; unsigned int tx_fifo_depth; unsigned int rx_fifo_depth; }; diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 08783a6ff1a..36db7a80cbb 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -96,6 +96,14 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev) } clk_enable(dev->clk); + dev->functionality = + I2C_FUNC_I2C | + I2C_FUNC_10BIT_ADDR | + I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_I2C_BLOCK; + dev->base = ioremap(mem->start, resource_size(mem)); if (dev->base == NULL) { dev_err(&pdev->dev, "failure mapping io resources\n"); |