[PATCH 07/16] ARM: ux500: use generic API for enabling SCU

From: Pankaj Dubey
Date: Sun Nov 13 2016 - 23:59:51 EST


Now as we have of_scu_enable which takes care of mapping
scu base from DT, lets use it.

CC: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
---
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