[PATCH v2 5/6] firmware: zynqmp: Add support to handle IPI CRC failure

Jay Buddhabhatti
2023-10-04T09:43:22Z

Added new PM error code XST_PM_INVALID_CRC to handle CRC validation failure
during IPI communication.

Co-developed-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
---
drivers/firmware/xilinx/zynqmp.c | 1 +
include/linux/firmware/xlnx-zynqmp.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index de09d77cf1e4..515936497927 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -103,6 +103,7 @@ static int zynqmp_pm_ret_code(u32 ret_status)
case XST_PM_INTERNAL:
case XST_PM_CONFLICT:
case XST_PM_INVALID_NODE:
+ case XST_PM_INVALID_CRC:
default:
return -EINVAL;
}
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 4afd5d63177e..2fdda6086de2 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -162,6 +162,7 @@ enum pm_ret_status {
XST_PM_SUCCESS = 0,
XST_PM_INVALID_VERSION = 4,
XST_PM_NO_FEATURE = 19,
+ XST_PM_INVALID_CRC = 301,
XST_PM_INTERNAL = 2000,
XST_PM_CONFLICT = 2001,
XST_PM_NO_ACCESS = 2002,
--
2.25.1