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of: Improve prom_update_property() function

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prom_update_property() currently fails if the property doesn't
actually exist yet which isn't what we want. Change to add-or-update
instead of update-only, then we can remove a lot duplicated lines.

Suggested-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Dong Aisheng 2012-07-11 15:16:37 +10:00 • committed by Benjamin Herrenschmidt
parent b416c9a10b
commit 475d009429
6 changed files with 25 additions and 30 deletions
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3
include/linux/of.h
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@ -260,8 +260,7 @@ extern int of_machine_is_compatible(const char *compat);
extern int prom_add_property(struct device_node* np, struct property* prop);
extern int prom_remove_property(struct device_node *np, struct property *prop);
extern int prom_update_property(struct device_node *np,
struct property *newprop,
struct property *oldprop);
struct property *newprop);
#if defined(CONFIG_OF_DYNAMIC)
/* For updating the device tree at runtime */