From ee3c02af77178133b1f4e0446bba58f6ce0888e0 Mon Sep 17 00:00:00 2001
From: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Date: Tue, 23 May 2023 14:42:10 +0200
Subject: [PATCH] firmware: zynqmp: Remove extraordinary return value
Return a common -EACCES error value instead of a positive private error
value XST_PM_NO_ACCESS (2002) in zynqmp_pmufw_load_config_object
function if the config object is not loadable to simplify the error
checking.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Link: https://lore.kernel.org/r/20230523124215.30915-1-stefan.herbrechtsmeier-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
drivers/firmware/firmware-zynqmp.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index dc8e3ad2b9..2b1ad5d2c3 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -82,7 +82,7 @@ int zynqmp_pmufw_node(u32 id)
ret = zynqmp_pmufw_load_config_object(xpm_configobject,
sizeof(xpm_configobject));
- if (ret == XST_PM_NO_ACCESS && id == NODE_OCM_BANK_0)
+ if (ret == -EACCES && id == NODE_OCM_BANK_0)
skip_config = true;
return 0;
@@ -235,8 +235,7 @@ int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id)
*
* @cfg_obj: Pointer to the configuration object
* @size: Size of @cfg_obj in bytes
- * Return: 0 on success otherwise negative errno. If the config object
- * is not loadable returns positive errno XST_PM_NO_ACCESS(2002)
+ * Return: 0 on success otherwise negative errno.
*/
int zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
{
@@ -251,10 +250,8 @@ 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) {
+ if (((u32 *)cfg_obj)[NODE_ID_LOCATION] == NODE_OCM_BANK_0)
printf("PMUFW: No permission to change config object\n");
- return err;
- }
return -EACCES;
}
--
2.39.5