From d82bd359972a7fe71a778396cf287bc9f9f3b981 Mon Sep 17 00:00:00 2001 From: Avaneesh Kumar Dwivedi Date: Tue, 24 Oct 2017 21:22:24 +0530 Subject: firmware: scm: Add new SCM call API for switching memory ownership Two different processors on a SOC need to switch memory ownership during load/unload. To enable this, second level memory map table need to be updated, which is done by secure layer. This patch adds the interface for making secure monitor call for memory ownership switching request. Acked-by: Andy Gross Signed-off-by: Avaneesh Kumar Dwivedi [bjorn: Minor style and kerneldoc updates] Signed-off-by: Bjorn Andersson --- drivers/firmware/qcom_scm-32.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/firmware/qcom_scm-32.c') diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c index 93e3b96b6dfa..60d96bcf6694 100644 --- a/drivers/firmware/qcom_scm-32.c +++ b/drivers/firmware/qcom_scm-32.c @@ -579,6 +579,13 @@ int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id) return ret ? : le32_to_cpu(scm_ret); } +int __qcom_scm_assign_mem(struct device *dev, phys_addr_t mem_region, + size_t mem_sz, phys_addr_t src, size_t src_sz, + phys_addr_t dest, size_t dest_sz) +{ + return -ENODEV; +} + int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id, u32 spare) { -- cgit v1.2.3