diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index d28cd4e9d3d0..55cbfb39d17f 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -693,11 +693,13 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int ret = 0; unsigned long flags; - if (i2c_dev->is_suspended) - return -EBUSY; - rt_mutex_lock(&i2c_dev->dev_lock); + if (i2c_dev->is_suspended) { + rt_mutex_unlock(&i2c_dev->dev_lock); + return -EBUSY; + } + if (i2c_dev->last_mux != i2c_bus->mux) { tegra_pinmux_set_safe_pinmux_table(i2c_dev->last_mux, i2c_dev->last_mux_len); |