Re: [PATCH 01/12] ARM: zynqmp: add sd_dll_reset call

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 08.03.24 12:16, Steffen Trumtrar wrote:
> Add a function to reset DLL logic for SD devices.
> 
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>

> ---
>  arch/arm/mach-zynqmp/firmware-zynqmp.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm/mach-zynqmp/firmware-zynqmp.c b/arch/arm/mach-zynqmp/firmware-zynqmp.c
> index a2b61efff4..b383ed6f00 100644
> --- a/arch/arm/mach-zynqmp/firmware-zynqmp.c
> +++ b/arch/arm/mach-zynqmp/firmware-zynqmp.c
> @@ -511,6 +511,23 @@ static int zynqmp_pm_ioctl(u32 node_id, u32 ioctl_id, u32 arg1, u32 arg2,
>  				   arg1, arg2, out);
>  }
>  
> +/**
> + * zynqmp_pm_sd_dll_reset() - Reset DLL logic
> + *
> + * @node_id:	Node ID of the device
> + * @type:	Reset type
> + *
> + * This function resets DLL logic for the SD device.
> + *
> + * Return:	Returns status, either success or error+reason
> + */
> +int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type)
> +{
> +	return zynqmp_pm_invoke_fn(PM_IOCTL, node_id, IOCTL_SD_DLL_RESET,
> +				   type, 0, NULL);
> +}
> +EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
> +
>  /*
>   * zynqmp_pm_write_ggs() - PM API for writing global general storage (ggs)
>   * @index:	GGS register index
> 

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