diff options
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index adcef15e22a..4911734f6c6 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -156,8 +156,10 @@ int __maybe_unused xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2, */ struct pt_regs regs; - if (current_el() == 3) - return 0; + if (current_el() == 3) { + printf("%s: Can't call SMC from EL3 context\n", __func__); + return -EPERM; + } regs.regs[0] = PM_SIP_SVC | api_id; regs.regs[1] = ((u64)arg1 << 32) | arg0; |