diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index f84a63c..266dd83 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -78,6 +78,7 @@ struct s3c24xx_i2c { struct resource *ioarea; struct i2c_adapter adap; + struct s3c2410_platform_i2c *pdata; #ifdef CONFIG_CPU_FREQ struct notifier_block freq_transition; #endif @@ -625,7 +626,7 @@ static int s3c24xx_i2c_calcdivisor(unsigned long clkin, unsigned int wanted, static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) { - struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data; + struct s3c2410_platform_i2c *pdata = i2c->pdata; unsigned long clkin = clk_get_rate(i2c->clk); unsigned int divs, div1; unsigned long target_frequency; @@ -754,7 +755,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) /* get the plafrom data */ - pdata = i2c->dev->platform_data; + pdata = i2c->pdata; /* inititalise the gpio */ @@ -793,7 +794,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) static int s3c24xx_i2c_probe(struct platform_device *pdev) { struct s3c24xx_i2c *i2c; - struct s3c2410_platform_i2c *pdata; + struct s3c2410_platform_i2c *pdata = NULL; struct resource *res; int ret; @@ -809,6 +810,15 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) return -ENOMEM; } + i2c->pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!i2c->pdata) { + ret = -ENOMEM; + goto err_noclk; + } + + if (pdata) + memcpy(i2c->pdata, pdata, sizeof(*pdata)); + strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name)); i2c->adap.owner = THIS_MODULE; i2c->adap.algo = &s3c24xx_i2c_algorithm; @@ -903,7 +913,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) * being bus 0. */ - i2c->adap.nr = pdata->bus_num; + i2c->adap.nr = i2c->pdata->bus_num; ret = i2c_add_numbered_adapter(&i2c->adap); if (ret < 0) { |