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>

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index f830535..d3acd8d 100644 (file)
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -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);