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| author | Ionut Nicu <ioan.nicu.ext@nsn.com> | 2013-10-08 15:51:53 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2013-10-10 10:22:32 +0200 |
| commit | 492ed77bfadb968cca7beca348cd45b444393cd4 (patch) | |
| tree | 9d18d3e49cbba8de05e61e0c70e0bc4446f9ca82 /drivers/i2c/muxes | |
| parent | 4cdbf7d346e7461c3b93a26707c852e2c9db3753 (diff) | |
| download | linux-492ed77bfadb968cca7beca348cd45b444393cd4.tar.gz linux-492ed77bfadb968cca7beca348cd45b444393cd4.tar.bz2 linux-492ed77bfadb968cca7beca348cd45b444393cd4.zip | |
i2c: i2c-mux-gpio: don't ignore of_get_named_gpio errors
of_get_named_gpio could return -E_PROBE_DEFER or another
error code. This error should be passed further instead
of being ignored.
Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/muxes')
| -rw-r--r-- | drivers/i2c/muxes/i2c-mux-gpio.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 5d4a99ba743e..7f343bcd492e 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, struct device_node *adapter_np, *child; struct i2c_adapter *adapter; unsigned *values, *gpios; - int i = 0; + int i = 0, ret; if (!np) return -ENODEV; @@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, return -ENOMEM; } - for (i = 0; i < mux->data.n_gpios; i++) - gpios[i] = of_get_named_gpio(np, "mux-gpios", i); + for (i = 0; i < mux->data.n_gpios; i++) { + ret = of_get_named_gpio(np, "mux-gpios", i); + if (ret < 0) + return ret; + gpios[i] = ret; + } mux->data.gpios = gpios; |