[PATCH v2 12/15] net: ipa: Switch to generic PAS TZ APIs

Sumit Garg
2026-03-12T06:31:36Z

From: Sumit Garg <sumit.garg@oss.qualcomm.com>

Switch ipa 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@oss.qualcomm.com>
---
drivers/net/ipa/ipa_main.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index edead9c48d1f..8feb8493d5b5 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -14,7 +14,7 @@
#include <linux/pm_runtime.h>
#include <linux/types.h>

-#include <linux/firmware/qcom/qcom_scm.h>
+#include <linux/firmware/qcom/qcom_pas.h>
#include <linux/soc/qcom/mdt_loader.h>

#include "ipa.h"
@@ -624,10 +624,13 @@ static int ipa_firmware_load(struct device *dev)
}

ret = qcom_mdt_load(dev, fw, path, IPA_PAS_ID, virt, phys, size, NULL);
- if (ret)
+ if (ret) {
dev_err(dev, "error %d loading \"%s\"\n", ret, path);
- else if ((ret = qcom_scm_pas_auth_and_reset(IPA_PAS_ID)))
- dev_err(dev, "error %d authenticating \"%s\"\n", ret, path);
+ } else {
+ ret = qcom_pas_auth_and_reset(IPA_PAS_ID);
+ if (ret)
+ dev_err(dev, "error %d authenticating \"%s\"\n", ret, path);
+ }

memunmap(virt);
out_release_firmware:
@@ -754,7 +757,7 @@ static enum ipa_firmware_loader ipa_firmware_loader(struct device *dev)
return IPA_LOADER_INVALID;
out_self:
/* We need Trust Zone to load firmware; make sure it's available */
- if (qcom_scm_is_available())
+ if (qcom_pas_is_available())
return IPA_LOADER_SELF;

return IPA_LOADER_DEFER;
--
2.51.0