[PATCH] bus: imx-aipstz: set default value for opacr registers

[Daniel Baluta]

On 1/23/26 10:48, Shengjiu Wang wrote:
> The sdma script app_2_mcu needs the permission to access the peripheral
> devices, so need to clear the Supervisor Protect bit of SPBA2, otherwise
> the sdma script can't work.
>
> As the imx-aipstz is a common driver for all apis bus, so set default
> value for all opacr registers, that the peripheral does not require
> supervisor privilege level for accesses.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
> ---
>  drivers/bus/imx-aipstz.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
<snip>
>  static const struct of_device_id imx_aipstz_match_table[] = {
> @@ -84,6 +99,11 @@ static const struct dev_pm_ops imx_aipstz_pm_ops = {
>   */
>  static const struct imx_aipstz_config imx8mp_aipstz_default_cfg = {
>  	.mpr0 = 0x77777777,
> +	.opacr0 = 0x0,
> +	.opacr1 = 0x0,
> +	.opacr2 = 0x0,
> +	.opacr3 = 0x0,
> +	.opacr4 = 0x0,
>  };
>  
No need to zero these fields as they are zero by default being part of a global var.