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| Started by | Shardar Shariff Md <smohammed@nvidia.com> |
|---|---|
| First post | 2016-08-31 15:30 +0200 |
| Last post | 2016-08-31 15:30 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 2/5] i2c: tegra: If fifo flush fails return error Shardar Shariff Md <smohammed@nvidia.com> - 2016-08-31 15:30 +0200
| From | Shardar Shariff Md <smohammed@nvidia.com> |
|---|---|
| Date | 2016-08-31 15:30 +0200 |
| Subject | [PATCH 2/5] i2c: tegra: If fifo flush fails return error |
| Message-ID | <scdKy-2UO-7@gated-at.bofh.it> |
During i2c controller initialization, when fifo flush fails return error instead of returning the error during exit. Signed-off-by: Shardar Shariff Md <smohammed@nvidia.com> --- Changes in v11: - Fix smatch error for below warning tegra_i2c_init warn: unused return: err = tegra_i2c_flush_fifos() --- --- drivers/i2c/busses/i2c-tegra.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index e93c72a..07a39b7 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -494,6 +494,8 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev) i2c_writel(i2c_dev, val, I2C_FIFO_CONTROL); err = tegra_i2c_flush_fifos(i2c_dev); + if (err) + goto err; if (i2c_dev->is_multimaster_mode && i2c_dev->hw->has_slcg_override_reg) i2c_writel(i2c_dev, I2C_MST_CORE_CLKEN_OVR, I2C_CLKEN_OVERRIDE); -- 1.8.1.5
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