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]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Tested-by: Vignesh Viswanathan <[email protected]>
Signed-off-by: Varadarajan Narayanan <[email protected]>
---
 drivers/firmware/qcom/qcom_scm.c | 16 ++++++++++++----
 drivers/firmware/qcom/qcom_scm.h |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 3eaa4c9ccf3c..8902c445cf19 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -598,7 +598,7 @@ EXPORT_SYMBOL_GPL(devm_qcom_scm_pas_context_alloc);
 
 static int __qcom_scm_pas_init_image(struct device *dev, u32 pas_id,
                                     dma_addr_t mdata_phys,
-                                    struct qcom_scm_res *res)
+                                    struct qcom_scm_res *res, size_t size)
 {
        struct qcom_scm_desc desc = {
                .svc = QCOM_SCM_SVC_PIL,
@@ -619,6 +619,14 @@ static int __qcom_scm_pas_init_image(struct device *dev, 
u32 pas_id,
 
        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[2] = size;
+       }
+
        ret = qcom_scm_call(dev, &desc, res);
        qcom_scm_bw_disable();
 
@@ -644,7 +652,7 @@ static int qcom_scm_pas_prep_and_init_image(struct device 
*dev,
        memcpy(mdata_buf, metadata, size);
        mdata_phys = qcom_tzmem_to_phys(mdata_buf);
 
-       ret = __qcom_scm_pas_init_image(dev, ctx->pas_id, mdata_phys, &res);
+       ret = __qcom_scm_pas_init_image(dev, ctx->pas_id, mdata_phys, &res, 
size);
        if (ret < 0)
                qcom_tzmem_free(mdata_buf);
        else
@@ -683,7 +691,7 @@ static int __qcom_scm_pas_init_image2(struct device *dev, 
u32 pas_id,
 
        memcpy(mdata_buf, metadata, size);
 
-       ret = __qcom_scm_pas_init_image(dev, pas_id, mdata_phys, &res);
+       ret = __qcom_scm_pas_init_image(dev, pas_id, mdata_phys, &res, size);
        if (ret < 0 || !ctx) {
                dma_free_coherent(dev, size, mdata_buf, mdata_phys);
        } else if (ctx) {
@@ -2528,7 +2536,7 @@ static void qcom_scm_gunyah_wdt_init(struct qcom_scm *scm)
        gunyah_wdt_dev = platform_device_register_simple("gunyah-wdt", -1,
                                                         NULL, 0);
        if (IS_ERR(gunyah_wdt_dev)) {
-               dev_err(scm->dev, "Failed to register Gunyah watchdog device: 
%ld\n",
+               dev_err(scm->dev, "Failed to register Gunyah watchdog device: 
%pe\n",
                        PTR_ERR(gunyah_wdt_dev));
                return;
        }
diff --git a/drivers/firmware/qcom/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h
index cf90a565fdfb..e58c76aba45c 100644
--- a/drivers/firmware/qcom/qcom_scm.h
+++ b/drivers/firmware/qcom/qcom_scm.h
@@ -105,6 +105,7 @@ int qcom_scm_shm_bridge_enable(struct device *scm_dev);
 #define QCOM_SCM_PIL_PAS_SHUTDOWN      0x06
 #define QCOM_SCM_PIL_PAS_IS_SUPPORTED  0x07
 #define QCOM_SCM_PIL_PAS_MSS_RESET     0x0a
+#define QCOM_SCM_PIL_PAS_INIT_IMAGE_V2 0x1a
 #define QCOM_SCM_PIL_PAS_GET_RSCTABLE  0x21
 
 #define QCOM_SCM_SVC_IO                        0x05

-- 
2.34.1


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