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