[PATCH v2 3/7] arm: mach-k3: j721e_init: Move clk_k3 probe before loading TIFS

Nishanth Menon nm at ti.com
Thu Sep 7 17:03:01 CEST 2023


On 19:44-20230907, Neha Malcom Francis wrote:
> Since we need to configure required clocks before TIFS is loaded, move
> clk_k3 driver probe before k3_sysfw_loader.

This needs further elaboration. what kind of clocks are we talking
about? what is the call sequence that is involved that this is solving?

> 
> Signed-off-by: Neha Malcom Francis <n-francis at ti.com>
> ---
>  arch/arm/mach-k3/j721e_init.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
> index b6164575b7..b1f7e25ed0 100644
> --- a/arch/arm/mach-k3/j721e_init.c
> +++ b/arch/arm/mach-k3/j721e_init.c
> @@ -228,6 +228,18 @@ void board_init_f(ulong dummy)
>  	if (!ret)
>  		pinctrl_select_state(dev, "default");
>  
> +	/*
> +	 * Force probe of clk_k3 driver here to ensure basic default clock
> +	 * configuration is always done.
> +	 */
> +	if (IS_ENABLED(CONFIG_SPL_CLK_K3)) {
> +		ret = uclass_get_device_by_driver(UCLASS_CLK,
> +						  DM_DRIVER_GET(ti_clk),
> +						  &dev);
> +		if (ret)
> +			panic("Failed to initialize clk-k3!\n");
> +	}
> +
>  	/*
>  	 * Load, start up, and configure system controller firmware. Provide
>  	 * the U-Boot console init function to the SYSFW post-PM configuration
> @@ -241,18 +253,6 @@ void board_init_f(ulong dummy)
>  	do_dt_magic();
>  #endif
>  
> -	/*
> -	 * Force probe of clk_k3 driver here to ensure basic default clock
> -	 * configuration is always done.
> -	 */
> -	if (IS_ENABLED(CONFIG_SPL_CLK_K3)) {
> -		ret = uclass_get_device_by_driver(UCLASS_CLK,
> -						  DM_DRIVER_GET(ti_clk),
> -						  &dev);
> -		if (ret)
> -			panic("Failed to initialize clk-k3!\n");
> -	}
> -
>  	/* Prepare console output */
>  	preloader_console_init();
>  
> -- 
> 2.34.1
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D


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