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Signed-off-by: Rajan Vaja Signed-off-by: Michal Simek Signed-off-by: Jolly Shah --- drivers/firmware/xilinx/zynqmp.c | 13 +++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 2fe4f57..9ba376c 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -875,6 +875,19 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out) } EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine); +/** + * zynqmp_pm_system_shutdown - PM call to request a system shutdown or restart + * @type: Shutdown or restart? 0 for shutdown, 1 for restart + * @subtype: Specifies which system should be restarted or shut down + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) +{ + return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, type, subtype, + 0, 0, NULL); +} + static ssize_t ggs_show(struct device *device, struct device_attribute *attr, char *buf, diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index c1356e9..2254c7c 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -64,6 +64,7 @@ enum pm_api_id { PM_GET_API_VERSION = 1, + PM_SYSTEM_SHUTDOWN = 12, PM_REQUEST_NODE = 13, PM_RELEASE_NODE, PM_SET_REQUIREMENT, @@ -340,6 +341,7 @@ int zynqmp_pm_write_ggs(u32 index, u32 value); int zynqmp_pm_read_ggs(u32 index, u32 *value); int zynqmp_pm_write_pggs(u32 index, u32 value); int zynqmp_pm_read_pggs(u32 index, u32 *value); +int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype); #else static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) { @@ -482,6 +484,10 @@ static inline int zynqmp_pm_read_pggs(u32 index, u32 *value) { return -ENODEV; } +static inline int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ -- 2.7.4