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i2c: mux: gpmux: Simplify with dev_err_probe() 

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-09-02 17:06:42 +02:00 committed by Wolfram Sang
parent 74779f6eeb
commit 432d159a02
1 changed files with 6 additions and 10 deletions
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16
drivers/i2c/muxes/i2c-mux-gpmux.c
View File

@ -85,18 +85,14 @@ static int i2c_mux_probe(struct platform_device *pdev)
return -ENOMEM;
mux->control = devm_mux_control_get(dev, NULL);
if (IS_ERR(mux->control)) {
if (PTR_ERR(mux->control) != -EPROBE_DEFER)
dev_err(dev, "failed to get control-mux\n");
return PTR_ERR(mux->control);
}
if (IS_ERR(mux->control))
return dev_err_probe(dev, PTR_ERR(mux->control),
"failed to get control-mux\n");
parent = mux_parent_adapter(dev);
if (IS_ERR(parent)) {
if (PTR_ERR(parent) != -EPROBE_DEFER)
dev_err(dev, "failed to get i2c-parent adapter\n");
return PTR_ERR(parent);
}
if (IS_ERR(parent))
return dev_err_probe(dev, PTR_ERR(parent),
"failed to get i2c-parent adapter\n");
children = of_get_child_count(np);