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power_domain: Add power_domain_get_by_name()

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Implement power_domain_get_by_name() convenience function which parses
DT property 'power-domain-names' and looks up power domain by matching
name.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut
2022-04-13 00:42:52 +02:00
committed by Stefano Babic
parent 4eb82c2e56
commit 63c390a1ea
2 changed files with 35 additions and 0 deletions
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14
drivers/power/domain/power-domain-uclass.c
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@@ -80,6 +80,20 @@ int power_domain_get_by_index(struct udevice *dev,
return 0;
}
int power_domain_get_by_name(struct udevice *dev,
struct power_domain *power_domain, const char *name)
{
int index;
index = dev_read_stringlist_search(dev, "power-domain-names", name);
if (index < 0) {
debug("fdt_stringlist_search() failed: %d\n", index);
return index;
}
return power_domain_get_by_index(dev, power_domain, index);
}
int power_domain_get(struct udevice *dev, struct power_domain *power_domain)
{
return power_domain_get_by_index(dev, power_domain, 0);