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usb: phy: isp1301: Deduplicate of_find_i2c_device_by_node()

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The driver is using open-coded variant of of_find_i2c_device_by_node().
Replace it by the actual call to the above mentioned API.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210521145243.87911-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-05-21 17:52:43 +03:00 committed by Greg Kroah-Hartman
parent 08377263a9
commit ca82c06788
1 changed files with 9 additions and 16 deletions
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25
drivers/usb/phy/phy-isp1301.c
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@ -142,24 +142,17 @@ static struct i2c_driver isp1301_driver = {
module_i2c_driver(isp1301_driver);
static int match(struct device *dev, const void *data)
{
const struct device_node *node = (const struct device_node *)data;
return (dev->of_node == node) &&
(dev->driver == &isp1301_driver.driver);
}
struct i2c_client *isp1301_get_client(struct device_node *node)
{
if (node) { /* reference of ISP1301 I2C node via DT */
struct device *dev = bus_find_device(&i2c_bus_type, NULL,
node, match);
if (!dev)
return NULL;
return to_i2c_client(dev);
} else { /* non-DT: only one ISP1301 chip supported */
return isp1301_i2c_client;
}
struct i2c_client *client;
/* reference of ISP1301 I2C node via DT */
client = of_find_i2c_device_by_node(node);
if (client)
return client;
/* non-DT: only one ISP1301 chip supported */
return isp1301_i2c_client;
}
EXPORT_SYMBOL_GPL(isp1301_get_client);