diff options
| author | Stefan Herbrechtsmeier | 2023-05-23 14:42:13 +0200 |
|---|---|---|
| committer | Michal Simek | 2023-06-12 13:25:01 +0200 |
| commit | ec4739775aee7c49214ab7cbe831be0d4cf7c77b (patch) | |
| tree | 158f77f479b8394e8ec085b26d07d5520c1cc156 /drivers | |
| parent | d0f1af3ec0135df848463c33a2cce9d40620a427 (diff) | |
firmware: zynqmp: Move permission to change config object message
Move the permission to change a config object message from
zynqmp_pmufw_load_config_object function to zynqmp_pmufw_node function
to simplify the code and check the permission only if required.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Link: https://lore.kernel.org/r/20230523124215.30915-4-stefan.herbrechtsmeier-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index ca3a0b55c9f..e1abfb4cec3 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -63,29 +63,32 @@ static unsigned int xpm_configobject_close[] = { int zynqmp_pmufw_config_close(void) { - zynqmp_pmufw_load_config_object(xpm_configobject_close, - sizeof(xpm_configobject_close)); - return 0; + return zynqmp_pmufw_load_config_object(xpm_configobject_close, + sizeof(xpm_configobject_close)); } int zynqmp_pmufw_node(u32 id) { - static bool skip_config; - int ret; + static bool check = true; + static bool permission = true; + + if (check) { + check = false; + + if (zynqmp_pmufw_node(NODE_OCM_BANK_0) == -EACCES) { + printf("PMUFW: No permission to change config object\n"); + permission = false; + } + } - if (skip_config) + if (!permission) return 0; /* Record power domain id */ xpm_configobject[NODE_ID_LOCATION] = id; - ret = zynqmp_pmufw_load_config_object(xpm_configobject, - sizeof(xpm_configobject)); - - if (ret == -EACCES && id == NODE_OCM_BANK_0) - skip_config = true; - - return 0; + return zynqmp_pmufw_load_config_object(xpm_configobject, + sizeof(xpm_configobject)); } static int do_pm_probe(void) @@ -250,8 +253,6 @@ int zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size) err = xilinx_pm_request(PM_SET_CONFIGURATION, (u32)(u64)cfg_obj, 0, 0, 0, ret_payload); if (err == XST_PM_NO_ACCESS) { - if (((u32 *)cfg_obj)[NODE_ID_LOCATION] == NODE_OCM_BANK_0) - printf("PMUFW: No permission to change config object\n"); return -EACCES; } @@ -295,9 +296,6 @@ static int zynqmp_power_probe(struct udevice *dev) ret >> ZYNQMP_PM_VERSION_MAJOR_SHIFT, ret & ZYNQMP_PM_VERSION_MINOR_MASK); - if (IS_ENABLED(CONFIG_ARCH_ZYNQMP)) - zynqmp_pmufw_node(NODE_OCM_BANK_0); - return 0; }; |