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ARM: shmobile: use for_each_of_cpu_node iterator

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Use the for_each_of_cpu_node iterator to iterate over cpu nodes. This
has the side effect of defaulting to iterating using "cpu" node names in
preference to the deprecated (for FDT) device_type == "cpu".

Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2018-08-27 09:42:49 -05:00
parent 07d44f1f82
commit 5af5d40c40
3 changed files with 5 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/mach-shmobile/pm-rcar-gen2.c
View File

@ -50,7 +50,7 @@ void __init rcar_gen2_pm_init(void)
void __iomem *p;
u32 bar;
static int once;
struct device_node *np, *cpus;
struct device_node *np;
bool has_a7 = false;
bool has_a15 = false;
struct resource res;
@ -59,11 +59,7 @@ void __init rcar_gen2_pm_init(void)
if (once++)
return;
cpus = of_find_node_by_path("/cpus");
if (!cpus)
return;
for_each_child_of_node(cpus, np) {
for_each_of_cpu_node(np) {
if (of_device_is_compatible(np, "arm,cortex-a15"))
has_a15 = true;
else if (of_device_is_compatible(np, "arm,cortex-a7"))

2
arch/arm/mach-shmobile/pm-rmobile.c
View File

@ -202,7 +202,7 @@ static void __init get_special_pds(void)
const struct of_device_id *id;
/* PM domains containing CPUs */
for_each_node_by_type(np, "cpu")
for_each_of_cpu_node(np)
add_special_pd(np, PD_CPU);
/* PM domain containing console */

10
arch/arm/mach-shmobile/timer.c
View File

@ -22,22 +22,16 @@
void __init shmobile_init_delay(void)
{
struct device_node *np, *cpus;
struct device_node *np;
u32 max_freq = 0;
cpus = of_find_node_by_path("/cpus");
if (!cpus)
return;
for_each_child_of_node(cpus, np) {
for_each_of_cpu_node(np) {
u32 freq;
if (!of_property_read_u32(np, "clock-frequency", &freq))
max_freq = max(max_freq, freq);
}
of_node_put(cpus);
if (!max_freq)
return;