[PATCH v2 5/5] i2c: tegra: Remove suspension check

Bastian Hecht
2014-07-17T14:49:22Z

We now take care of suspension in the i2c core code. So we can remove this
check here.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
---
same as v1

drivers/i2c/busses/i2c-tegra.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index f1bb2fc..c279d85 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -172,7 +172,6 @@ struct tegra_i2c_dev {
size_t msg_buf_remaining;
int msg_read;
u32 bus_clk_rate;
- bool is_suspended;
};

static void dvc_writel(struct tegra_i2c_dev *i2c_dev, u32 val, unsigned long reg)
@@ -628,9 +627,6 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
int i;
int ret = 0;

- if (i2c_dev->is_suspended)
- return -EBUSY;
-
ret = tegra_i2c_clock_enable(i2c_dev);
if (ret < 0) {
dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret);
@@ -817,17 +813,6 @@ static int tegra_i2c_remove(struct platform_device *pdev)
}

#ifdef CONFIG_PM_SLEEP
-static int tegra_i2c_suspend(struct device *dev)
-{
- struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
-
- i2c_lock_adapter(&i2c_dev->adapter);
- i2c_dev->is_suspended = true;
- i2c_unlock_adapter(&i2c_dev->adapter);
-
- return 0;
-}
-
static int tegra_i2c_resume(struct device *dev)
{
struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
@@ -842,14 +827,12 @@ static int tegra_i2c_resume(struct device *dev)
return ret;
}

- i2c_dev->is_suspended = false;
-
i2c_unlock_adapter(&i2c_dev->adapter);

return 0;
}

-static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume);
+static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_resume);
#define TEGRA_I2C_PM (&tegra_i2c_pm)
#else
#define TEGRA_I2C_PM NULL
--
1.9.1