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| author | Shawn Guo <shawn.guo@freescale.com> | 2014-09-01 04:57:20 +0400 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-09-01 18:00:02 +0400 |
| commit | ee295d7ff442699bb7982f2283f71eabcc16f367 (patch) | |
| tree | 9f30fbee15ce9f1538e69939cfdebdb6390be896 /arch/arm | |
| parent | 1ca7070d1d08e71692295ed06c6cb6331ecac3c8 (diff) | |
| download | linux-ee295d7ff442699bb7982f2283f71eabcc16f367.tar.xz | |
ARM: imx: remove imx_scu_standby_enable()
With commit c716483c3db1 ("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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-imx/common.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/cpuidle-imx6q.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-imx/platsmp.c | 10 |
3 files changed, 0 insertions, 16 deletions
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 22ba8973bcb9..1dabf435c592 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -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); diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c index 10844d3bb926..aa935787b743 100644 --- a/arch/arm/mach-imx/cpuidle-imx6q.c +++ b/arch/arm/mach-imx/cpuidle-imx6q.c @@ -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); diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 5b57c17c06bd..771bd25c1025 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -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); |