Santosh Shilimkar <[email protected]> writes:

> 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.

What about GP devices?

Kevin

> 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();
>  }
>  
>  /**
--
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

Reply via email to