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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-13 11:37:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-13 11:37:57 -0800 |
| commit | 31f984d10cc7a83529d433dbc820556cf7e775ac (patch) | |
| tree | cfc634875ffc83a436270c56bbca9a020554a1d2 | |
| parent | dbb022cb4605fbbf506d57aefedd664876fa2fc2 (diff) | |
| parent | e5bf216a945e7292f8718276372d2b41486bed26 (diff) | |
| download | linux-31f984d10cc7a83529d433dbc820556cf7e775ac.tar.bz2 | |
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Here are two simple but wanted fixes for the i2c subsystem"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: imx: Check the return value from clk_prepare_enable()
i2c: mux: Inherit retry count and timeout from parent for muxed bus
| -rw-r--r-- | drivers/i2c/busses/i2c-imx.c | 4 | ||||
| -rw-r--r-- | drivers/i2c/i2c-mux.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 1d7efa3169cd..d0cfbb4cb964 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -312,7 +312,9 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx) dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - clk_prepare_enable(i2c_imx->clk); + result = clk_prepare_enable(i2c_imx->clk); + if (result) + return result; imx_i2c_write_reg(i2c_imx->ifdr, i2c_imx, IMX_I2C_IFDR); /* Enable I2C controller */ imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR); diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 797e3117bef7..2d0847b6be62 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -139,6 +139,8 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, priv->adap.algo = &priv->algo; priv->adap.algo_data = priv; priv->adap.dev.parent = &parent->dev; + priv->adap.retries = parent->retries; + priv->adap.timeout = parent->timeout; /* Sanity check on class */ if (i2c_mux_parent_classes(parent) & class) |