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| author | Alok Chauhan <alokc@nvidia.com> | 2012-02-03 15:10:17 +0100 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-03-07 19:04:06 +0100 |
| commit | bf6c2de11c43955ffb4394e6dfc86363298c0a05 (patch) | |
| tree | 450282023a28ebbfc31e2694b63b1845a18db06b /drivers/i2c | |
| parent | i2c: imx: fix imx driver to work though signal is pending (diff) | |
| download | linux-bf6c2de11c43955ffb4394e6dfc86363298c0a05.tar.xz linux-bf6c2de11c43955ffb4394e6dfc86363298c0a05.zip | |
i2c: tegra: Remove unnecessary write to INT_STATUS
The write is not necessary and may cause the I2C controller to misbehave.
With this fix, I2C on Tegra30 works (at least, running i2cdump repeatedly
on the WM8903 on Cardhu's I2C5/DVC bus).
Signed-off-by: Alok Chauhan <alokc@nvidia.com>
[swarren: Reworded commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 0ab4a9548745..e978635e60f0 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -457,7 +457,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, int ret; tegra_i2c_flush_fifos(i2c_dev); - i2c_writel(i2c_dev, 0xFF, I2C_INT_STATUS); if (msg->len == 0) return -EINVAL; |