i2c: sh_mobile: honor DT bus speed settings

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2014-05-02 21:15:09 +02:00 committed by Wolfram Sang
parent 5a72b25e78
commit 88c289ec28
1 changed files with 4 additions and 1 deletions

View File

@ -657,6 +657,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
struct resource *res;
int size;
int ret;
u32 bus_speed;
pd = kzalloc(sizeof(struct sh_mobile_i2c_data), GFP_KERNEL);
if (pd == NULL) {
@ -697,7 +698,9 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
}
/* Use platform data bus speed or STANDARD_MODE */
pd->bus_speed = STANDARD_MODE;
ret = of_property_read_u32(dev->dev.of_node, "clock-frequency", &bus_speed);
pd->bus_speed = ret ? STANDARD_MODE : bus_speed;
if (pdata && pdata->bus_speed)
pd->bus_speed = pdata->bus_speed;
pd->clks_per_count = 1;