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yaml
---
r: 370985
b: refs/heads/master
c: 49a64ac
h: refs/heads/master
i:
  370983: 12e02be
v: v3
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Stephen Warren authored and Wolfram Sang committed Mar 24, 2013
1 parent bda5c79 commit c6e48ed
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Showing 4 changed files with 8 additions and 47 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: fe69c555ef4df4f3c7bc704bc1858c174832a069
refs/heads/master: 49a64ac555f1dabd2b94325553187d0db6ecac16
2 changes: 0 additions & 2 deletions trunk/arch/arm/mach-tegra/board-dt-tegra20.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
#include <linux/pda_power.h>
#include <linux/platform_data/tegra_usb.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/i2c-tegra.h>
#include <linux/usb/tegra_usb_phy.h>

#include <asm/mach-types.h>
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26 changes: 7 additions & 19 deletions trunk/drivers/i2c/busses/i2c-tegra.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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;
};

Expand Down Expand Up @@ -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, },
Expand All @@ -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;
Expand Down Expand Up @@ -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");
Expand Down Expand Up @@ -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,
},
};
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25 changes: 0 additions & 25 deletions trunk/include/linux/i2c-tegra.h

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