diff options
Diffstat (limited to 'drivers/misc/fastrpc.c')
| -rw-r--r-- | drivers/misc/fastrpc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 5fb302b8ae5d..1c045f9a75a4 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -2250,6 +2250,8 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) int i, err, domain_id = -1, vmcount; const char *domain; bool secure_dsp; + struct device_node *rmem_node; + struct reserved_mem *rmem; unsigned int vmids[FASTRPC_MAX_VMIDS]; err = of_property_read_string(rdev->of_node, "label", &domain); @@ -2292,6 +2294,23 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) } } + rmem_node = of_parse_phandle(rdev->of_node, "memory-region", 0); + if (domain_id == SDSP_DOMAIN_ID && rmem_node) { + u64 src_perms; + + rmem = of_reserved_mem_lookup(rmem_node); + if (!rmem) { + err = -EINVAL; + goto fdev_error; + } + + src_perms = BIT(QCOM_SCM_VMID_HLOS); + + qcom_scm_assign_mem(rmem->base, rmem->size, &src_perms, + data->vmperms, data->vmcount); + + } + secure_dsp = !(of_property_read_bool(rdev->of_node, "qcom,non-secure-domain")); data->secure = secure_dsp; |