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Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index b714776b6dd..b60ff90adc3 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -25,7 +25,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
-#include <linux/i2c-tegra.h>
#include <linux/of_i2c.h>
#include <linux/of_device.h>
#include <linux/module.h>
@@ -172,7 +171,7 @@ struct tegra_i2c_dev {
u8 *msg_buf;
size_t msg_buf_remaining;
int msg_read;
- unsigned long bus_clk_rate;
+ u32 bus_clk_rate;
bool is_suspended;
};
@@ -694,7 +693,6 @@ static const struct tegra_i2c_hw_feature tegra114_i2c_hw = {
.clk_divisor_std_fast_mode = 0x19,
};
-#if defined(CONFIG_OF)
/* Match table for of_platform binding */
static const struct of_device_id tegra_i2c_of_match[] = {
{ .compatible = "nvidia,tegra114-i2c", .data = &tegra114_i2c_hw, },
@@ -704,16 +702,13 @@ static const struct of_device_id tegra_i2c_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, tegra_i2c_of_match);
-#endif
static int tegra_i2c_probe(struct platform_device *pdev)
{
struct tegra_i2c_dev *i2c_dev;
- struct tegra_i2c_platform_data *pdata = pdev->dev.platform_data;
struct resource *res;
struct clk *div_clk;
struct clk *fast_clk;
- const unsigned int *prop;
void __iomem *base;
int irq;
int ret = 0;
@@ -754,23 +749,16 @@ static int tegra_i2c_probe(struct platform_device *pdev)
i2c_dev->cont_id = pdev->id;
i2c_dev->dev = &pdev->dev;
- i2c_dev->bus_clk_rate = 100000; /* default clock rate */
- if (pdata) {
- i2c_dev->bus_clk_rate = pdata->bus_clk_rate;
-
- } else if (i2c_dev->dev->of_node) { /* if there is a device tree node ... */
- prop = of_get_property(i2c_dev->dev->of_node,
- "clock-frequency", NULL);
- if (prop)
- i2c_dev->bus_clk_rate = be32_to_cpup(prop);
- }
+ ret = of_property_read_u32(i2c_dev->dev->of_node, "clock-frequency",
+ &i2c_dev->bus_clk_rate);
+ if (ret)
+ i2c_dev->bus_clk_rate = 100000; /* default clock rate */
i2c_dev->hw = &tegra20_i2c_hw;
if (pdev->dev.of_node) {
const struct of_device_id *match;
- match = of_match_device(of_match_ptr(tegra_i2c_of_match),
- &pdev->dev);
+ match = of_match_device(tegra_i2c_of_match, &pdev->dev);
i2c_dev->hw = match->data;
i2c_dev->is_dvc = of_device_is_compatible(pdev->dev.of_node,
"nvidia,tegra20-i2c-dvc");
@@ -876,7 +864,7 @@ static struct platform_driver tegra_i2c_driver = {
.driver = {
.name = "tegra-i2c",
.owner = THIS_MODULE,
- .of_match_table = of_match_ptr(tegra_i2c_of_match),
+ .of_match_table = tegra_i2c_of_match,
.pm = TEGRA_I2C_PM,
},
};