From: Manikanta Mylavarapu <[email protected]>

IPQ5332 security software running under trustzone requires metadata size.
With new command support added in TrustZone that includes a size parameter,
pass metadata size as well.

Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Manikanta Mylavarapu <[email protected]>
Signed-off-by: Gokul Sriram Palanisamy <[email protected]>
---
 drivers/firmware/qcom/qcom_scm.c | 17 +++++++++++++----
 drivers/firmware/qcom/qcom_scm.h |  1 +
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 
1a6f85e463e06a12814614cea20719c90a371b69..c970157f75b51027fb73664a58c38550344ab963
 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -583,9 +583,6 @@ int qcom_scm_pas_init_image(u32 peripheral, const void 
*metadata, size_t size,
        int ret;
        struct qcom_scm_desc desc = {
                .svc = QCOM_SCM_SVC_PIL,
-               .cmd = QCOM_SCM_PIL_PAS_INIT_IMAGE,
-               .arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_VAL, QCOM_SCM_RW),
-               .args[0] = peripheral,
                .owner = ARM_SMCCC_OWNER_SIP,
        };
        struct qcom_scm_res res;
@@ -617,7 +614,19 @@ int qcom_scm_pas_init_image(u32 peripheral, const void 
*metadata, size_t size,
        if (ret)
                goto disable_clk;
 
-       desc.args[1] = mdata_phys;
+       if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
+                                        QCOM_SCM_PIL_PAS_INIT_IMAGE_V2)) {
+               desc.cmd = QCOM_SCM_PIL_PAS_INIT_IMAGE_V2;
+               desc.arginfo = QCOM_SCM_ARGS(3, QCOM_SCM_VAL, QCOM_SCM_RW, 
QCOM_SCM_VAL);
+               desc.args[0] = peripheral;
+               desc.args[1] = mdata_phys;
+               desc.args[2] = size;
+       } else {
+               desc.cmd = QCOM_SCM_PIL_PAS_INIT_IMAGE;
+               desc.arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_VAL, QCOM_SCM_RW);
+               desc.args[0] = peripheral;
+               desc.args[1] = mdata_phys;
+       }
 
        ret = qcom_scm_call(__scm->dev, &desc, &res);
        qcom_scm_bw_disable();
diff --git a/drivers/firmware/qcom/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h
index 
a56c8212cc0c41021e5a067d52b7d5dcc49107ea..b8e5b4f2498e75c9eca1a0c0032254b7126b9ed3
 100644
--- a/drivers/firmware/qcom/qcom_scm.h
+++ b/drivers/firmware/qcom/qcom_scm.h
@@ -100,6 +100,7 @@ int qcom_scm_shm_bridge_enable(struct device *scm_dev);
 
 #define QCOM_SCM_SVC_PIL               0x02
 #define QCOM_SCM_PIL_PAS_INIT_IMAGE    0x01
+#define QCOM_SCM_PIL_PAS_INIT_IMAGE_V2 0x1a
 #define QCOM_SCM_PIL_PAS_MEM_SETUP     0x02
 #define QCOM_SCM_PIL_PAS_AUTH_AND_RESET        0x05
 #define QCOM_SCM_PIL_PAS_SHUTDOWN      0x06

-- 
2.52.0



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