diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 41ca41697790..d27a3b20227b 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -175,6 +175,23 @@ static noinline int do_fw_call_hvc(u64 arg0, u64 arg1, u64 arg2, return zynqmp_pm_ret_code((enum pm_ret_status)res.a0); } +static int do_feature_check_call(const u32 api_id, u32 *ret_payload) +{ + int ret; + u64 smc_arg[2]; + + smc_arg[0] = PM_SIP_SVC | PM_FEATURE_CHECK; + smc_arg[1] = api_id; + + ret = do_fw_call(smc_arg[0], smc_arg[1], 0, ret_payload); + if (ret) + ret = -EOPNOTSUPP; + else + ret = ret_payload[1]; + + return ret; +} + /** * zynqmp_pm_feature() - Check whether given feature is supported or not and * store supported IOCTL/QUERY ID mask @@ -186,7 +203,6 @@ int zynqmp_pm_feature(const u32 api_id) { int ret; u32 ret_payload[PAYLOAD_ARG_CNT]; - u64 smc_arg[2]; struct pm_api_feature_data *feature_data; if (!feature_check_enabled) @@ -205,14 +221,7 @@ int zynqmp_pm_feature(const u32 api_id) return -ENOMEM; feature_data->pm_api_id = api_id; - smc_arg[0] = PM_SIP_SVC | PM_FEATURE_CHECK; - smc_arg[1] = api_id; - - ret = do_fw_call(smc_arg[0], smc_arg[1], 0, ret_payload); - if (ret) - ret = -EOPNOTSUPP; - else - ret = ret_payload[1]; + ret = do_feature_check_call(api_id, ret_payload); feature_data->feature_status = ret; hash_add(pm_api_features_map, &feature_data->hentry, api_id); |