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ARM: imx: remove imx_scu_standby_enable()

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With commit c716483c3d ("ARM: 8122/1: smp_scu: enable SCU standby
support"), the STANDBY bit of SCU is handled by core function
scu_enable().  So imx_scu_standby_enable() can be removed now.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Shawn Guo 2014-09-01 08:57:20 +08:00
parent 1ca7070d1d
commit ee295d7ff4
3 changed files with 0 additions and 16 deletions
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2
arch/arm/mach-imx/common.h
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@ -98,11 +98,9 @@ void imx_set_cpu_arg(int cpu, u32 arg);
void v7_secondary_startup(void);
void imx_scu_map_io(void);
void imx_smp_prepare(void);
void imx_scu_standby_enable(void);
#else
static inline void imx_scu_map_io(void) {}
static inline void imx_smp_prepare(void) {}
static inline void imx_scu_standby_enable(void) {}
#endif
void imx_src_init(void);
void imx_gpc_init(void);

4
arch/arm/mach-imx/cpuidle-imx6q.c
View file

@ -66,10 +66,6 @@ static struct cpuidle_driver imx6q_cpuidle_driver = {
int __init imx6q_cpuidle_init(void)
{
/* Need to enable SCU standby for entering WAIT modes */
if (!cpu_is_imx6sx())
imx_scu_standby_enable();
/* Set INT_MEM_CLK_LPM bit to get a reliable WAIT mode support */
imx6q_set_int_mem_clk_lpm(true);

10
arch/arm/mach-imx/platsmp.c
View file

@ -20,8 +20,6 @@
#include "common.h"
#include "hardware.h"
#define SCU_STANDBY_ENABLE (1 << 5)
u32 g_diag_reg;
static void __iomem *scu_base;
@ -45,14 +43,6 @@ void __init imx_scu_map_io(void)
scu_base = IMX_IO_ADDRESS(base);
}
void imx_scu_standby_enable(void)
{
u32 val = readl_relaxed(scu_base);
val |= SCU_STANDBY_ENABLE;
writel_relaxed(val, scu_base);
}
static int imx_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
imx_set_cpu_jump(cpu, v7_secondary_startup);