diff options
| author | Ashok Reddy Soma <ashok.reddy.soma@amd.com> | 2023-08-10 23:48:27 -0600 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2023-09-21 13:20:10 +0200 |
| commit | f16347f41c64ec53f598c3444fb19b3442c12bb3 (patch) | |
| tree | 3ca310fd76016b55bbfef318a7e3c7113c67d166 /drivers/firmware/firmware-zynqmp.c | |
| parent | fa12dfa08a7bdc7d67e3758f10461468a663ce2e (diff) | |
firmware: zynqmp: Add support to check feature
Add firmware API to check if given feature is supported.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20230811054829.13162-2-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'drivers/firmware/firmware-zynqmp.c')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index ab4c4f1a690..43fb7fa7787 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -195,6 +195,19 @@ int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) return ret; } +int zynqmp_pm_feature(const u32 api_id) +{ + int ret; + u32 ret_payload[PAYLOAD_ARG_CNT]; + + /* Check feature check API version */ + ret = xilinx_pm_request(PM_FEATURE_CHECK, api_id, 0, 0, 0, + ret_payload); + + /* Return feature check version */ + return ret_payload[1] & FIRMWARE_VERSION_MASK; +} + int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id) { int ret; |