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securemsm-kernel: smcinvoke: Add explicit cache flush during callback req from TZ

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During Callback request from TZ, smcinvoke in and out buffers need
explicit cache operation with legacy smcinvoke.

Change-Id: I3eacd69901c1ce117017b2d59a28dfab83b5f3f9
This commit is contained in:
basant kumar
2022-08-08 17:06:27 +05:30
parent a4a925db92
commit 200b12bb33
1 changed files with 6 additions and 0 deletions
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6
smcinvoke/smcinvoke.c
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@@ -1350,8 +1350,14 @@ static int invoke_cmd_handler(int cmd, phys_addr_t in_paddr, size_t in_buf_len,
break; break;
case SMCINVOKE_CB_RSP_CMD: case SMCINVOKE_CB_RSP_CMD:
if (legacy_smc_call)
qtee_shmbridge_inv_shm_buf(out_shm);
ret = qcom_scm_invoke_callback_response(virt_to_phys(out_buf), out_buf_len, ret = qcom_scm_invoke_callback_response(virt_to_phys(out_buf), out_buf_len,
result, response_type, data); result, response_type, data);
if (legacy_smc_call) {
qtee_shmbridge_inv_shm_buf(in_shm);
qtee_shmbridge_inv_shm_buf(out_shm);
}
break; break;
default: default: