pps: clients: gpio: Rearrange optional stuff in pps_gpio_setup()
Rearrange optional stuff in pps_gpio_setup() so it will go after mandatory one and with reduced indentation. This will increase readability of the sources. Acked-by: Rodolfo Giometti <giometti@enneenne.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210318130321.24227-7-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -110,28 +110,31 @@ static int pps_gpio_setup(struct device *dev)
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return dev_err_probe(dev, PTR_ERR(data->gpio_pin),
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return dev_err_probe(dev, PTR_ERR(data->gpio_pin),
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"failed to request PPS GPIO\n");
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"failed to request PPS GPIO\n");
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data->assert_falling_edge =
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device_property_read_bool(dev, "assert-falling-edge");
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data->echo_pin = devm_gpiod_get_optional(dev, "echo", GPIOD_OUT_LOW);
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data->echo_pin = devm_gpiod_get_optional(dev, "echo", GPIOD_OUT_LOW);
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if (IS_ERR(data->echo_pin))
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if (IS_ERR(data->echo_pin))
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return dev_err_probe(dev, PTR_ERR(data->echo_pin),
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return dev_err_probe(dev, PTR_ERR(data->echo_pin),
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"failed to request ECHO GPIO\n");
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"failed to request ECHO GPIO\n");
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if (data->echo_pin) {
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if (!data->echo_pin)
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ret = device_property_read_u32(dev, "echo-active-ms", &value);
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return 0;
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if (ret) {
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dev_err(dev, "failed to get echo-active-ms from FW\n");
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ret = device_property_read_u32(dev, "echo-active-ms", &value);
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return ret;
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if (ret) {
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}
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dev_err(dev, "failed to get echo-active-ms from FW\n");
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data->echo_active_ms = value;
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return ret;
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/* sanity check on echo_active_ms */
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if (!data->echo_active_ms || data->echo_active_ms > 999) {
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dev_err(dev, "echo-active-ms: %u - bad value from FW\n",
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data->echo_active_ms);
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return -EINVAL;
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}
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}
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}
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data->assert_falling_edge =
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/* sanity check on echo_active_ms */
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device_property_read_bool(dev, "assert-falling-edge");
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if (!value || value > 999) {
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dev_err(dev, "echo-active-ms: %u - bad value from FW\n", value);
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return -EINVAL;
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}
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data->echo_active_ms = value;
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return 0;
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return 0;
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}
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}
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