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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 11:46:45 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 11:46:45 -0700 |
| commit | b43f9b59e65e1d4ff06474885b44515817868fdd (patch) | |
| tree | 0de0ca983a6624b0582034154da4d17a170caf1e /drivers/i2c/busses/i2c-tegra.c | |
| parent | c37b95eeefee32a765a9bbbfeaece48a361b2d23 (diff) | |
| parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) | |
| download | blackbird-op-linux-b43f9b59e65e1d4ff06474885b44515817868fdd.tar.gz blackbird-op-linux-b43f9b59e65e1d4ff06474885b44515817868fdd.zip | |
Merge 3.9-rc5 into staging-next
This pulls in all of the good fixes we need here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-tegra.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 36704e3ab3fa..b714776b6ddd 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -411,7 +411,11 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev) int clk_multiplier = I2C_CLK_MULTIPLIER_STD_FAST_MODE; u32 clk_divisor; - tegra_i2c_clock_enable(i2c_dev); + err = tegra_i2c_clock_enable(i2c_dev); + if (err < 0) { + dev_err(i2c_dev->dev, "Clock enable failed %d\n", err); + return err; + } tegra_periph_reset_assert(i2c_dev->div_clk); udelay(2); @@ -628,7 +632,12 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], if (i2c_dev->is_suspended) return -EBUSY; - tegra_i2c_clock_enable(i2c_dev); + ret = tegra_i2c_clock_enable(i2c_dev); + if (ret < 0) { + dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret); + return ret; + } + for (i = 0; i < num; i++) { enum msg_end_type end_type = MSG_END_STOP; if (i < (num - 1)) { |
