diff options
| author | Colin Cross <ccross@android.com> | 2010-06-14 15:06:18 -0700 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2010-10-06 16:26:43 -0700 |
| commit | 91e3654c23ebf0a532bfad0c503af528daa59eb8 (patch) | |
| tree | 0dadedec87a241b595bba0fd55eff2bea54e8904 /drivers/i2c | |
| parent | b9f90a825ec605b7e3c5896fb759a36ec59dec44 (diff) | |
i2c: busses: i2c-tegra: Fix bus clock rate
Change-Id: I186a7b7474c3d2504e2a4d7c1308706bb1b53004
Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index a88c8a1810d9..97d364a69d1c 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -152,13 +152,9 @@ static void tegra_i2c_unmask_irq(struct tegra_i2c_dev *i2c_dev, u32 mask) static void tegra_i2c_set_clk(struct tegra_i2c_dev *i2c_dev, unsigned int freq) { - u32 val; - unsigned long input_freq = clk_get_rate(i2c_dev->i2c_clk); - val = input_freq / 12 / freq - 1; - dev_dbg(i2c_dev->dev, "clock %lu to %u: %x\n", input_freq, freq, val); - dev_dbg(i2c_dev->dev, "clock was %x\n", i2c_readl(i2c_dev, I2C_CLK_DIVISOR)); - i2c_writel(i2c_dev, val, I2C_CLK_DIVISOR); - dev_dbg(i2c_dev->dev, "clock is %x\n", i2c_readl(i2c_dev, I2C_CLK_DIVISOR)); + clk_set_rate(i2c_dev->clk, freq * 8); + dev_dbg(i2c_dev->dev, "%s: requested %u got %lu\n", __func__, + freq, clk_get_rate(i2c_dev->clk)/8); } static int tegra_i2c_flush_fifos(struct tegra_i2c_dev *i2c_dev) |