From: Quanyang Wang <quanyang.w...@windriver.com>
This reverts commit b48ce4a44d42a7b92f13c8d64a53d23cd6689222.
The intent of exercise_stack_ptr is to keep the 4K-size stack of
ncp_ddr_shutdown in L2 cache for the later usage.
But using heap will break this. So revert it now.
Reported-by: Mikael Beckius <mikael.beck...@windriver.com>
Signed-off-by: Quanyang Wang <quanyang.w...@windriver.com>
---
arch/arm/mach-axxia/ddr_retention.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/arch/arm/mach-axxia/ddr_retention.c
b/arch/arm/mach-axxia/ddr_retention.c
index ca7b1b771133..64ddb2f42c13 100644
--- a/arch/arm/mach-axxia/ddr_retention.c
+++ b/arch/arm/mach-axxia/ddr_retention.c
@@ -8,7 +8,6 @@
#include <linux/proc_fs.h>
#include <linux/prefetch.h>
#include <linux/delay.h>
-#include <linux/slab.h>
#include <linux/of.h>
#include <linux/io.h>
@@ -206,13 +205,9 @@ static inline void flush_tlb_ID(void)
static void exercise_stack_ptr(volatile char *recursions)
{
volatile char *p;
- char *stack_var;
+ char stack_var[1024];
int i;
- stack_var = kmalloc(1024, GFP_KERNEL);
- if (!stack_var)
- return;
-
p = stack_var;
for (i = 0; i < 1024; i++)
@@ -222,8 +217,6 @@ static void exercise_stack_ptr(volatile char *recursions)
*recursions -= 1;
exercise_stack_ptr(recursions);
}
-
- kfree(stack_var);
}
void
--
2.25.1
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