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authorRobin Murphy <robin.murphy@arm.com>2018-02-15 21:51:44 +0300
committerArnd Bergmann <arnd@arndb.de>2018-03-06 19:26:48 +0300
commit3ee5e821f3a1affd406ff1031f4cf6d7b4f81ab3 (patch)
tree1a8893df91968ea0a8aeb67e127dea72bcd6220f /drivers/bus
parent03057f2626e955ebea88a668a6d7d699f836e5c0 (diff)
downloadlinux-3ee5e821f3a1affd406ff1031f4cf6d7b4f81ab3.tar.xz
bus/arm-cci: Streamline devicetree handling a bit
Rather than iterating over child nodes explicitly testing for availability, we can just use the other helper which already subsumes that check. Also, the availability check is already NULL-safe, so get rid of a redundant check in cci_probe(), too. Acked-by: Punit Agrawal <punit.agrawal@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/arm-cci.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 503c1789dd02..23dc0b890d0c 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -448,13 +448,10 @@ static int cci_probe_ports(struct device_node *np)
if (!ports)
return -ENOMEM;
- for_each_child_of_node(np, cp) {
+ for_each_available_child_of_node(np, cp) {
if (!of_match_node(arm_cci_ctrl_if_matches, cp))
continue;
- if (!of_device_is_available(cp))
- continue;
-
i = nb_ace + nb_ace_lite;
if (i >= nb_cci_ports)
@@ -534,7 +531,7 @@ static int cci_probe(void)
struct resource res;
np = of_find_matching_node(NULL, arm_cci_matches);
- if(!np || !of_device_is_available(np))
+ if (!of_device_is_available(np))
return -ENODEV;
ret = of_address_to_resource(np, 0, &res);