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authorPantelis Antoniou <pantelis.antoniou@konsulko.com>2016-05-09 16:20:42 +0300
committerRob Herring <robh@kernel.org>2016-05-16 15:29:12 +0300
commitb9c43856f21d97ffdfdd642acf2eb0b52d3b1555 (patch)
treeb0a3857acc8d5002b73dab6eba92afe753666cc8 /drivers/of/dynamic.c
parentbb91f923d176578257aed682047653cc33148413 (diff)
downloadlinux-b9c43856f21d97ffdfdd642acf2eb0b52d3b1555.tar.xz
of: dynamic: changeset prop-update revert fix
When reverting an update property changeset entry that created a property the reverse operation is a remove property and not an update. Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of/dynamic.c')
-rw-r--r--drivers/of/dynamic.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 75ce30dfdd5f..3033fa3250dc 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -498,6 +498,11 @@ static void __of_changeset_entry_invert(struct of_changeset_entry *ce,
case OF_RECONFIG_UPDATE_PROPERTY:
rce->old_prop = ce->prop;
rce->prop = ce->old_prop;
+ /* update was used but original property did not exist */
+ if (!rce->prop) {
+ rce->action = OF_RECONFIG_REMOVE_PROPERTY;
+ rce->prop = ce->prop;
+ }
break;
}
}