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Message-Id: <20230118121426.492864-7-cristian.marussi@arm.com>
Date: Wed, 18 Jan 2023 12:14:15 +0000
From: Cristian Marussi <cristian.marussi@....com>
To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc: sudeep.holla@....com, james.quinlan@...adcom.com,
Jonathan.Cameron@...wei.com, f.fainelli@...il.com,
etienne.carriere@...aro.org, vincent.guittot@...aro.org,
souvik.chakravarty@....com, wleavitt@...vell.com,
peter.hilber@...nsynergy.com, nicola.mazzucato@....com,
tarek.el-sherbiny@....com, quic_kshivnan@...cinc.com,
cristian.marussi@....com
Subject: [PATCH v8 06/17] firmware: arm_scmi: Move errors defs and code to common.h
Move SCMI error codes definitions and helper to the common.h header
together with the delayed response timeout define.
No functional change.
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
---
drivers/firmware/arm_scmi/common.h | 40 ++++++++++++++++++++++++++++++
drivers/firmware/arm_scmi/driver.c | 40 ------------------------------
2 files changed, 40 insertions(+), 40 deletions(-)
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index e9aa1cfef90d..049607280ea5 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -27,6 +27,46 @@
#include "protocols.h"
#include "notify.h"
+#define SCMI_MAX_RESPONSE_TIMEOUT (2 * MSEC_PER_SEC)
+
+enum scmi_error_codes {
+ SCMI_SUCCESS = 0, /* Success */
+ SCMI_ERR_SUPPORT = -1, /* Not supported */
+ SCMI_ERR_PARAMS = -2, /* Invalid Parameters */
+ SCMI_ERR_ACCESS = -3, /* Invalid access/permission denied */
+ SCMI_ERR_ENTRY = -4, /* Not found */
+ SCMI_ERR_RANGE = -5, /* Value out of range */
+ SCMI_ERR_BUSY = -6, /* Device busy */
+ SCMI_ERR_COMMS = -7, /* Communication Error */
+ SCMI_ERR_GENERIC = -8, /* Generic Error */
+ SCMI_ERR_HARDWARE = -9, /* Hardware Error */
+ SCMI_ERR_PROTOCOL = -10,/* Protocol Error */
+};
+
+static const int scmi_linux_errmap[] = {
+ /* better than switch case as long as return value is continuous */
+ 0, /* SCMI_SUCCESS */
+ -EOPNOTSUPP, /* SCMI_ERR_SUPPORT */
+ -EINVAL, /* SCMI_ERR_PARAM */
+ -EACCES, /* SCMI_ERR_ACCESS */
+ -ENOENT, /* SCMI_ERR_ENTRY */
+ -ERANGE, /* SCMI_ERR_RANGE */
+ -EBUSY, /* SCMI_ERR_BUSY */
+ -ECOMM, /* SCMI_ERR_COMMS */
+ -EIO, /* SCMI_ERR_GENERIC */
+ -EREMOTEIO, /* SCMI_ERR_HARDWARE */
+ -EPROTO, /* SCMI_ERR_PROTOCOL */
+};
+
+static inline int scmi_to_linux_errno(int errno)
+{
+ int err_idx = -errno;
+
+ if (err_idx >= SCMI_SUCCESS && err_idx < ARRAY_SIZE(scmi_linux_errmap))
+ return scmi_linux_errmap[err_idx];
+ return -EIO;
+}
+
#define MSG_ID_MASK GENMASK(7, 0)
#define MSG_XTRACT_ID(hdr) FIELD_GET(MSG_ID_MASK, (hdr))
#define MSG_TYPE_MASK GENMASK(9, 8)
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 67072699b029..fefa01dbf9ee 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -39,20 +39,6 @@
#define CREATE_TRACE_POINTS
#include <trace/events/scmi.h>
-enum scmi_error_codes {
- SCMI_SUCCESS = 0, /* Success */
- SCMI_ERR_SUPPORT = -1, /* Not supported */
- SCMI_ERR_PARAMS = -2, /* Invalid Parameters */
- SCMI_ERR_ACCESS = -3, /* Invalid access/permission denied */
- SCMI_ERR_ENTRY = -4, /* Not found */
- SCMI_ERR_RANGE = -5, /* Value out of range */
- SCMI_ERR_BUSY = -6, /* Device busy */
- SCMI_ERR_COMMS = -7, /* Communication Error */
- SCMI_ERR_GENERIC = -8, /* Generic Error */
- SCMI_ERR_HARDWARE = -9, /* Hardware Error */
- SCMI_ERR_PROTOCOL = -10,/* Protocol Error */
-};
-
static DEFINE_IDR(scmi_protocols);
static DEFINE_SPINLOCK(protocol_lock);
@@ -172,30 +158,6 @@ struct scmi_info {
#define bus_nb_to_scmi_info(nb) container_of(nb, struct scmi_info, bus_nb)
#define req_nb_to_scmi_info(nb) container_of(nb, struct scmi_info, dev_req_nb)
-static const int scmi_linux_errmap[] = {
- /* better than switch case as long as return value is continuous */
- 0, /* SCMI_SUCCESS */
- -EOPNOTSUPP, /* SCMI_ERR_SUPPORT */
- -EINVAL, /* SCMI_ERR_PARAM */
- -EACCES, /* SCMI_ERR_ACCESS */
- -ENOENT, /* SCMI_ERR_ENTRY */
- -ERANGE, /* SCMI_ERR_RANGE */
- -EBUSY, /* SCMI_ERR_BUSY */
- -ECOMM, /* SCMI_ERR_COMMS */
- -EIO, /* SCMI_ERR_GENERIC */
- -EREMOTEIO, /* SCMI_ERR_HARDWARE */
- -EPROTO, /* SCMI_ERR_PROTOCOL */
-};
-
-static inline int scmi_to_linux_errno(int errno)
-{
- int err_idx = -errno;
-
- if (err_idx >= SCMI_SUCCESS && err_idx < ARRAY_SIZE(scmi_linux_errmap))
- return scmi_linux_errmap[err_idx];
- return -EIO;
-}
-
static const struct scmi_protocol *scmi_protocol_get(int protocol_id)
{
const struct scmi_protocol *proto;
@@ -1217,8 +1179,6 @@ static void reset_rx_to_maxsz(const struct scmi_protocol_handle *ph,
xfer->rx.len = info->desc->max_msg_size;
}
-#define SCMI_MAX_RESPONSE_TIMEOUT (2 * MSEC_PER_SEC)
-
/**
* do_xfer_with_response() - Do one transfer and wait until the delayed
* response is received
--
2.34.1
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