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| author | Robin Murphy <robin.murphy@arm.com> | 2018-02-15 19:51:44 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2018-03-06 17:26:48 +0100 |
| commit | 3ee5e821f3a1affd406ff1031f4cf6d7b4f81ab3 (patch) | |
| tree | 1a8893df91968ea0a8aeb67e127dea72bcd6220f /drivers/bus/arm-cci.c | |
| parent | perf/arm-cci: Simplify CPU hotplug (diff) | |
| download | linux-3ee5e821f3a1affd406ff1031f4cf6d7b4f81ab3.tar.xz linux-3ee5e821f3a1affd406ff1031f4cf6d7b4f81ab3.zip | |
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/arm-cci.c')
| -rw-r--r-- | drivers/bus/arm-cci.c | 7 |
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); |