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of/platform: Disable generic device linking code for PowerPC 

PowerPC platforms don't use the generic of/platform code to populate the
devices from DT.  Therefore the generic device linking code is never used
in PowerPC.  Compile it out to avoid warning about unused functions.

If a specific PowerPC platform wants to use this code in the future,
bringing this back for PowerPC would be trivial. We'll just need to export
of_link_to_suppliers() and then let the machine specific files do the
linking as they populate the devices from DT.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20190806192654.138605-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saravana Kannan 2019-08-06 12:26:54 -07:00 committed by Greg Kroah-Hartman
parent e6aa640eb2
commit 9c1c5e0bc5
1 changed files with 1 additions and 1 deletions
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2
drivers/of/platform.c
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@ -506,6 +506,7 @@ int of_platform_default_populate(struct device_node *root,
}
EXPORT_SYMBOL_GPL(of_platform_default_populate);
#ifndef CONFIG_PPC
static bool of_link_is_valid(struct device_node *con, struct device_node *sup)
{
of_node_get(sup);
@ -683,7 +684,6 @@ static int of_link_to_suppliers(struct device *dev)
return __of_link_to_suppliers(dev, dev->of_node);
}
#ifndef CONFIG_PPC
static const struct of_device_id reserved_mem_matches[] = {
{ .compatible = "qcom,rmtfs-mem" },
{ .compatible = "qcom,cmd-db" },