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>

diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c
index f6c9c3dc6cad9e4ab10113914753552d76e08938..c948e5a4cb045198cf6ffd61d698f9f759f47059 100644 (file)
--- a/drivers/i2c/muxes/i2c-mux-reg.c
+++ b/drivers/i2c/muxes/i2c-mux-reg.c
@@ -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;