summaryrefslogtreecommitdiffstats
path: root/drivers/firmware/qcom_scm-32.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firmware/qcom_scm-32.c')
-rw-r--r--drivers/firmware/qcom_scm-32.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c
index 4c2514e5e249..5d90b7f5ab5a 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -617,7 +617,22 @@ int __qcom_scm_assign_mem(struct device *dev, phys_addr_t mem_region,
int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id,
u32 spare)
{
- return -ENODEV;
+ struct msm_scm_sec_cfg {
+ __le32 id;
+ __le32 ctx_bank_num;
+ } cfg;
+ int ret, scm_ret = 0;
+
+ cfg.id = cpu_to_le32(device_id);
+ cfg.ctx_bank_num = cpu_to_le32(spare);
+
+ ret = qcom_scm_call(dev, QCOM_SCM_SVC_MP, QCOM_SCM_RESTORE_SEC_CFG,
+ &cfg, sizeof(cfg), &scm_ret, sizeof(scm_ret));
+
+ if (ret || scm_ret)
+ return ret ? ret : -EINVAL;
+
+ return 0;
}
int __qcom_scm_iommu_secure_ptbl_size(struct device *dev, u32 spare,