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path: root/drivers/i2c/busses/i2c-rcar.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-rcar.c')
-rw-r--r--drivers/i2c/busses/i2c-rcar.c40
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 3ed1f0aa5eeb..d4322a909678 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -162,15 +162,11 @@ static int rcar_i2c_bus_barrier(struct rcar_i2c_priv *priv)
return -EBUSY;
}
-static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
- u32 bus_speed,
- struct device *dev)
+static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv, u32 bus_speed)
{
- u32 scgd, cdf;
- u32 round, ick;
- u32 scl;
- u32 cdf_width;
+ u32 scgd, cdf, round, ick, scl, cdf_width;
unsigned long rate;
+ struct device *dev = rcar_i2c_priv_to_dev(priv);
switch (priv->devtype) {
case I2C_RCAR_GEN1:
@@ -610,21 +606,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
if (IS_ERR(priv->io))
return PTR_ERR(priv->io);
- bus_speed = 100000; /* default 100 kHz */
- of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
-
priv->devtype = (enum rcar_i2c_type)of_match_device(rcar_i2c_dt_ids, dev)->data;
-
- pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
- ret = rcar_i2c_clock_calculate(priv, bus_speed, dev);
- if (ret < 0)
- goto out_pm_put;
-
- rcar_i2c_init(priv);
- pm_runtime_put(dev);
-
- irq = platform_get_irq(pdev, 0);
init_waitqueue_head(&priv->wait);
adap = &priv->adap;
@@ -637,8 +619,20 @@ static int rcar_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(adap, priv);
strlcpy(adap->name, pdev->name, sizeof(adap->name));
- ret = devm_request_irq(dev, irq, rcar_i2c_irq, 0,
- dev_name(dev), priv);
+ bus_speed = 100000; /* default 100 kHz */
+ of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
+
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+ ret = rcar_i2c_clock_calculate(priv, bus_speed);
+ if (ret < 0)
+ goto out_pm_put;
+
+ rcar_i2c_init(priv);
+ pm_runtime_put(dev);
+
+ irq = platform_get_irq(pdev, 0);
+ ret = devm_request_irq(dev, irq, rcar_i2c_irq, 0, dev_name(dev), priv);
if (ret < 0) {
dev_err(dev, "cannot get irq %d\n", irq);
goto out_pm_disable;