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i2c: mux: reg: don't log an error for probe deferral 

It's possible that i2c_mux_reg_probe_dt() could return -EPROBE_DEFER.
In that case, driver will request a probe deferral and an error
suggesting device tree parsing problem will be reported. This is
a pretty confusing information. Let's change the error handling,
so driver will be able to request probe deferral without logging
not related errors.

Signed-off-by: Tomasz Bachorski <tomasz.bachorski@nokia.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
This commit is contained in:
Tomasz Bachorski 2017-12-18 17:18:39 +01:00 committed by Peter Rosin
parent 8f6d601689
commit ac5b85de17
1 changed files with 3 additions and 0 deletions
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3
drivers/i2c/muxes/i2c-mux-reg.c
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@ -177,6 +177,9 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
sizeof(mux->data));
} else {
ret = i2c_mux_reg_probe_dt(mux, pdev);
if (ret == -EPROBE_DEFER)
return ret;
if (ret < 0) {
dev_err(&pdev->dev, "Error parsing device tree");
return ret;