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regulator: giving regulator controlling gpios a non-empty label when used through the devicetree.

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When the label is empty, it causes missing information and limits diagnostics
for instances such as 'cat /sys/kernel/debug/gpio'

Setting the label to the regulator supply_name will point to the device
using the gpio(s).

Signed-off-by: Nicholas Lowell <nlowell@lexmark.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Nicholas Lowell 2018-03-19 09:23:14 -04:00 committed by Mark Brown
parent ed8cffda27
commit 37ad490bab
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GPG key ID: 24D68B725D5487D0
1 changed files with 1 additions and 0 deletions
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drivers/regulator/gpio-regulator.c
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@ -196,6 +196,7 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np,
break;
}
config->gpios[i].gpio = gpio;
config->gpios[i].label = config->supply_name;
if (proplen > 0) {
of_property_read_u32_index(np, "gpios-states",
i, &ret);