Tegra: allow SiP smc calls from Secure World
This patch removes the restriction of allowing SiP calls only from the
non-secure world. The secure world can issue SiP calls as a result of
this patch now.
Change-Id: Idd64e893ae8e114bba0196872d3ec544cac150bf
Signed-off-by: Wayne Lin <wlin@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/common/tegra_sip_calls.c b/plat/nvidia/tegra/common/tegra_sip_calls.c
index 3bcd441..77f039a 100644
--- a/plat/nvidia/tegra/common/tegra_sip_calls.c
+++ b/plat/nvidia/tegra/common/tegra_sip_calls.c
@@ -60,7 +60,7 @@
}
/*******************************************************************************
- * This function is responsible for handling all SiP calls from the NS world
+ * This function is responsible for handling all SiP calls
******************************************************************************/
uint64_t tegra_sip_handler(uint32_t smc_fid,
uint64_t x1,
@@ -71,14 +71,8 @@
void *handle,
uint64_t flags)
{
- uint32_t ns;
int err;
- /* Determine which security state this SMC originated from */
- ns = is_caller_non_secure(flags);
- if (!ns)
- SMC_RET1(handle, SMC_UNK);
-
/* Check if this is a SoC specific SiP */
err = plat_sip_handler(smc_fid, x1, x2, x3, x4, cookie, handle, flags);
if (err == 0)
