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i2c-designware: move i2c functionality bit field to be adapter specific

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The functionality of the adapter depends on the configuration of the
IP block at silicon compile time and is adapter specific.

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Dirk Brandewie 2011-10-06 11:26:31 -07:00 committed by Ben Dooks
parent 1d31b58f64
commit 2fa8326b4b
3 changed files with 11 additions and 6 deletions
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8
drivers/i2c/busses/i2c-designware-core.c
View File

@ -457,12 +457,8 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
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)

1
drivers/i2c/busses/i2c-designware-core.h
View File

@ -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;
};

8
drivers/i2c/busses/i2c-designware-platdrv.c
View File

@ -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");