diff options
| author |   Peng Fan <peng.fan@nxp.com> | 2022-02-07 10:05:40 +0800 |
|---|---|---|
| committer |   Shawn Guo <shawnguo@kernel.org> | 2022-02-12 14:07:36 +0800 |
| commit | 6d240170811aad7330e6d0b3857fb0d4d9c82b56 (patch) | |
| tree | a2d84f4cc1889f54efa8ec752cf8d1f3dc4994c9 /include/linux/firmware | |
| parent | soc: imx: imx8m-blk-ctrl: add i.MX8MQ VPU blk-ctrl (diff) | |
| download | linux-dev-6d240170811aad7330e6d0b3857fb0d4d9c82b56.tar.xz linux-dev-6d240170811aad7330e6d0b3857fb0d4d9c82b56.zip | |
firmware: imx: add get resource owner api
Add resource owner management API, this API could be used to check
whether M4 is under control of Linux.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'include/linux/firmware')
| -rw-r--r-- | include/linux/firmware/imx/svc/rm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/firmware/imx/svc/rm.h b/include/linux/firmware/imx/svc/rm.h index 456b6a59d29b..31456f897aa9 100644 --- a/include/linux/firmware/imx/svc/rm.h +++ b/include/linux/firmware/imx/svc/rm.h @@ -59,11 +59,16 @@ enum imx_sc_rm_func { #if IS_ENABLED(CONFIG_IMX_SCU) bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource); +int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt); #else static inline bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource) { return true; } +static inline int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt) +{ + return -EOPNOTSUPP; +} #endif #endif |