[PATCH v8 01/23] firmware: arm_scmi: Add new SCMIv4.0 error codes definitions
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SUPERSEDED: 1 (0M)
From: Cristian Marussi <cristian.marussi@arm.com>
Date: 2026-08-08 19:06:50
Also in:
arm-scmi, linux-doc, lkml
Subsystem:
system control & power/management interface (scpi/scmi) message protocol drivers, the rest · Maintainers:
Sudeep Holla, Linus Torvalds
Status: Superseded by v14 (posted 2026-10-16). [go to v14]
Revision v8 (12 revisions archived); 1 review trailer.
Revisions (12)
- rfc
- v1 [diff against previous]
- v5 [diff against previous]
- v6 [diff against previous]
- v7 [diff against previous]
- v8 current [diff against previous]
- v9 [diff against previous]
- v10 [diff against previous]
- v11 [diff against previous]
- v12 [diff against previous]
- v13 [diff against previous]
- v14 [diff against previous]
SCMIv4.0 introduces a couple of new possible protocol error codes: add the needed definitions and mappings to Linux error values. Reviewed-by: Jonathan Cameron <redacted> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- v4 --> v5 - map SCMI_ERR_IN_USE to EBUSY as natural --- drivers/firmware/arm_scmi/common.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index b9723c105fc1..d9db4a4d17dc 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h@@ -46,6 +46,8 @@ enum scmi_error_codes { SCMI_ERR_GENERIC = -8, /* Generic Error */ SCMI_ERR_HARDWARE = -9, /* Hardware Error */ SCMI_ERR_PROTOCOL = -10,/* Protocol Error */ + SCMI_ERR_IN_USE = -11, /* In Use Error */ + SCMI_ERR_PARTIAL = -12, /* Partial Error */ }; static const int scmi_linux_errmap[] = {
@@ -61,6 +63,8 @@ static const int scmi_linux_errmap[] = { -EIO, /* SCMI_ERR_GENERIC */ -EREMOTEIO, /* SCMI_ERR_HARDWARE */ -EPROTO, /* SCMI_ERR_PROTOCOL */ + -EBUSY, /* SCMI_ERR_IN_USE */ + -EINVAL, /* SCMI_ERR_PARTIAL */ }; static inline int scmi_to_linux_errno(int errno)
--
2.54.0