Re: [PATCH RESEND v2 2/2] cpuidle: tegra: Remove do_idle firmware call

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On 02/03/2021 10:54, Dmitry Osipenko wrote:
> The do_idle firmware call is unused by all Tegra SoCs, hence remove it in
> order to keep driver's code clean.
> 
> Tested-by: Anton Bambura <jenneron@xxxxxxxxxxxxxx> # TF701 T114
> Tested-by: Matt Merhar <mattmerhar@xxxxxxxxxxxxxx> # Ouya T30
> Tested-by: Peter Geis <pgwipeout@xxxxxxxxx> # Ouya T30
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> 
> Changelog:
> 
> v2: - No changes. V1 got no attention, hence re-sending.
> 
>  drivers/cpuidle/cpuidle-tegra.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
> 
> diff --git a/drivers/cpuidle/cpuidle-tegra.c b/drivers/cpuidle/cpuidle-tegra.c
> index 29c5e83500d3..508bd9f23792 100644
> --- a/drivers/cpuidle/cpuidle-tegra.c
> +++ b/drivers/cpuidle/cpuidle-tegra.c
> @@ -48,11 +48,6 @@ enum tegra_state {
>  static atomic_t tegra_idle_barrier;
>  static atomic_t tegra_abort_flag;
>  
> -static inline bool tegra_cpuidle_using_firmware(void)
> -{
> -	return firmware_ops->prepare_idle && firmware_ops->do_idle;
> -}
> -
>  static void tegra_cpuidle_report_cpus_state(void)
>  {
>  	unsigned long cpu, lcpu, csr;
> @@ -139,10 +134,6 @@ static int tegra_cpuidle_c7_enter(void)
>  	if (err && err != -ENOSYS)
>  		return err;
>  
> -	err = call_firmware_op(do_idle, 0);
> -	if (err != -ENOSYS)
> -		return err;
> -
>  	return cpu_suspend(0, tegra30_pm_secondary_cpu_suspend);
>  }
>  
> @@ -356,9 +347,7 @@ static int tegra_cpuidle_probe(struct platform_device *pdev)
>  	 * is disabled.
>  	 */
>  	if (!IS_ENABLED(CONFIG_PM_SLEEP)) {
> -		if (!tegra_cpuidle_using_firmware())
> -			tegra_cpuidle_disable_state(TEGRA_C7);

So firmware_ops->do_idle is always NULL, thus
tegra_cpuidle_using_firmware() is always false and
tegra_cpuidle_disable_state() always called, right ?


> +		tegra_cpuidle_disable_state(TEGRA_C7);
>  		tegra_cpuidle_disable_state(TEGRA_CC6);
>  	}
>  
> 


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