On OMAP platform, FIQ is reserved for secure environment only. If at all the FIQ needs to be disabled, it involves going through security API call. Hence the local_fiq_[enable/disable]() in the OMAP code is bogus.
So just get rid of it. Signed-off-by: Santosh Shilimkar <[email protected]> --- arch/arm/mach-omap2/cpuidle34xx.c | 4 ---- arch/arm/mach-omap2/cpuidle44xx.c | 7 ------- arch/arm/mach-omap2/pm24xx.c | 11 +++-------- arch/arm/mach-omap2/pm34xx.c | 9 +-------- arch/arm/mach-omap2/pm44xx.c | 4 ---- 5 files changed, 4 insertions(+), 31 deletions(-) diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 22590db..f61b28c 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -82,8 +82,6 @@ static int __omap3_enter_idle(struct cpuidle_device *dev, struct omap3_idle_statedata *cx = &omap3_idle_data[index]; u32 mpu_state = cx->mpu_state, core_state = cx->core_state; - local_fiq_disable(); - pwrdm_set_next_pwrst(mpu_pd, mpu_state); pwrdm_set_next_pwrst(core_pd, core_state); @@ -121,8 +119,6 @@ static int __omap3_enter_idle(struct cpuidle_device *dev, return_sleep_time: - local_fiq_enable(); - return index; } diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index d639aef..944e64a 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -70,10 +70,7 @@ static int omap4_enter_idle_simple(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - local_fiq_disable(); omap_do_wfi(); - local_fiq_enable(); - return index; } @@ -84,8 +81,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev, struct omap4_idle_statedata *cx = &omap4_idle_data[index]; int cpu_id = smp_processor_id(); - local_fiq_disable(); - /* * CPU0 has to wait and stay ON until CPU1 is OFF state. * This is necessary to honour hardware recommondation @@ -158,8 +153,6 @@ fail: cpuidle_coupled_parallel_barrier(dev, &abort_barrier); cpu_done[dev->cpu] = false; - local_fiq_enable(); - return index; } diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index c333fa6..af29c31 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -213,22 +213,17 @@ static int omap2_can_sleep(void) static void omap2_pm_idle(void) { - local_fiq_disable(); - if (!omap2_can_sleep()) { if (omap_irq_pending()) - goto out; + return; omap2_enter_mpu_retention(); - goto out; + return; } if (omap_irq_pending()) - goto out; + return; omap2_enter_full_retention(); - -out: - local_fiq_enable(); } static void __init prcm_setup_regs(void) diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 7be3622..2f7e58e 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -346,10 +346,8 @@ void omap_sram_idle(void) static void omap3_pm_idle(void) { - local_fiq_disable(); - if (omap_irq_pending()) - goto out; + return; trace_power_start(POWER_CSTATE, 1, smp_processor_id()); trace_cpu_idle(1, smp_processor_id()); @@ -358,9 +356,6 @@ static void omap3_pm_idle(void) trace_power_end(smp_processor_id()); trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()); - -out: - local_fiq_enable(); } #ifdef CONFIG_SUSPEND @@ -759,14 +754,12 @@ int __init omap3_pm_init(void) pr_err("Memory allocation failed when allocating for secure sram context\n"); local_irq_disable(); - local_fiq_disable(); omap_dma_global_context_save(); omap3_save_secure_ram_context(); omap_dma_global_context_restore(); local_irq_enable(); - local_fiq_enable(); } omap3_save_scratchpad_contents(); diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index aa6fd98..a96ae57 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -121,11 +121,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) */ static void omap_default_idle(void) { - local_fiq_disable(); - omap_do_wfi(); - - local_fiq_enable(); } /** -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
