[PATCH v4 08/15] remoteproc: qcom_wcnss: Switch to generic PAS TZ APIs

[Mukesh Ojha]

On Mon, Apr 27, 2026 at 03:25:56PM +0530, Sumit Garg wrote:
> From: Sumit Garg <sumit.garg at oss.qualcomm.com>
> 
> Switch qcom_wcnss client driver over to generic PAS TZ APIs. Generic PAS
> TZ service allows to support multiple TZ implementation backends like QTEE
> based SCM PAS service, OP-TEE based PAS service and any further future TZ
> backend service.
> 
> Signed-off-by: Sumit Garg <sumit.garg at oss.qualcomm.com>
> ---
>  drivers/remoteproc/qcom_wcnss.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
> index 4add9037dbd5..0dbdd18ab3dd 100644
> --- a/drivers/remoteproc/qcom_wcnss.c
> +++ b/drivers/remoteproc/qcom_wcnss.c
> @@ -19,7 +19,7 @@
>  #include <linux/platform_device.h>
>  #include <linux/pm_domain.h>
>  #include <linux/pm_runtime.h>
> -#include <linux/firmware/qcom/qcom_scm.h>
> +#include <linux/firmware/qcom/qcom_pas.h>
>  #include <linux/regulator/consumer.h>
>  #include <linux/remoteproc.h>
>  #include <linux/soc/qcom/mdt_loader.h>
> @@ -257,7 +257,7 @@ static int wcnss_start(struct rproc *rproc)
>  	wcnss_indicate_nv_download(wcnss);
>  	wcnss_configure_iris(wcnss);
>  
> -	ret = qcom_scm_pas_auth_and_reset(WCNSS_PAS_ID);
> +	ret = qcom_pas_auth_and_reset(WCNSS_PAS_ID);
>  	if (ret) {
>  		dev_err(wcnss->dev,
>  			"failed to authenticate image and release reset\n");
> @@ -269,7 +269,7 @@ static int wcnss_start(struct rproc *rproc)
>  	if (wcnss->ready_irq > 0 && ret == 0) {
>  		/* We have a ready_irq, but it didn't fire in time. */
>  		dev_err(wcnss->dev, "start timed out\n");
> -		qcom_scm_pas_shutdown(WCNSS_PAS_ID);
> +		qcom_pas_shutdown(WCNSS_PAS_ID);
>  		ret = -ETIMEDOUT;
>  		goto disable_iris;
>  	}
> @@ -311,7 +311,7 @@ static int wcnss_stop(struct rproc *rproc)
>  					    0);
>  	}
>  
> -	ret = qcom_scm_pas_shutdown(WCNSS_PAS_ID);
> +	ret = qcom_pas_shutdown(WCNSS_PAS_ID);
>  	if (ret)
>  		dev_err(wcnss->dev, "failed to shutdown: %d\n", ret);
>  
> @@ -557,10 +557,10 @@ static int wcnss_probe(struct platform_device *pdev)
>  
>  	data = of_device_get_match_data(&pdev->dev);
>  
> -	if (!qcom_scm_is_available())
> +	if (!qcom_pas_is_available())
>  		return -EPROBE_DEFER;
>  
> -	if (!qcom_scm_pas_supported(WCNSS_PAS_ID)) {
> +	if (!qcom_pas_supported(WCNSS_PAS_ID)) {
>  		dev_err(&pdev->dev, "PAS is not available for WCNSS\n");
>  		return -ENXIO;
>  	}

Reviewed-by: Mukesh Ojha <mukesh.ojha at oss.qualcomm.com>

> -- 
> 2.51.0
> 

-- 
-Mukesh Ojha