[PATCH 07/16] ARM: ux500: use generic API for enabling SCU
Pankaj Dubey
pankaj.dubey at samsung.com
Sun Nov 13 21:02:02 PST 2016
Now as we have of_scu_enable which takes care of mapping
scu base from DT, lets use it.
CC: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Pankaj Dubey <pankaj.dubey at samsung.com>
---
arch/arm/mach-ux500/platsmp.c | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index 8f2f615..e1927ae 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -66,28 +66,10 @@ static void wakeup_secondary(void)
static void __init ux500_smp_prepare_cpus(unsigned int max_cpus)
{
- struct device_node *np;
- static void __iomem *scu_base;
- unsigned int ncores;
- int i;
-
- np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu");
- if (!np) {
- pr_err("No SCU base address\n");
- return;
- }
- scu_base = of_iomap(np, 0);
- of_node_put(np);
- if (!scu_base) {
+ if (of_scu_enable()) {
pr_err("No SCU remap\n");
return;
}
-
- scu_enable(scu_base);
- ncores = scu_get_core_count(scu_base);
- for (i = 0; i < ncores; i++)
- set_cpu_possible(i, true);
- iounmap(scu_base);
}
static int ux500_boot_secondary(unsigned int cpu, struct task_struct *idle)
--
2.7.4
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