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i2c: pca-platform: use device_property_read_u32 

Use device_property_read_u32 instead of of_property_read_u32_index to
lookup the "clock-frequency" property.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Chris Packham 2017-07-05 22:13:57 +12:00 committed by Wolfram Sang
parent 0678326175
commit 7562dee282
1 changed files with 6 additions and 7 deletions
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13
drivers/i2c/busses/i2c-pca-platform.c
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@ -177,16 +177,15 @@ static int i2c_pca_pf_probe(struct platform_device *pdev)
if (IS_ERR(i2c->gpio))
return PTR_ERR(i2c->gpio);
i2c->adap.timeout = HZ;
ret = device_property_read_u32(&pdev->dev, "clock-frequency",
&i2c->algo_data.i2c_clock);
if (ret)
i2c->algo_data.i2c_clock = 59000;
if (platform_data) {
i2c->adap.timeout = platform_data->timeout;
i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
} else if (np) {
i2c->adap.timeout = HZ;
of_property_read_u32_index(np, "clock-frequency", 0,
&i2c->algo_data.i2c_clock);
} else {
i2c->adap.timeout = HZ;
i2c->algo_data.i2c_clock = 59000;
}
i2c->algo_data.data = i2c;