@@ -223,6 +223,12 @@ struct scmi_transport_ops {
* be pending simultaneously in the system. May be overridden by the
* get_max_msg op.
* @max_msg_size: Maximum size of data per message that can be handled.
+ * @atomic_threshold: Optional system wide DT-configured threshold, expressed
+ * in microseconds, for atomic operations.
+ * Only SCMI synchronous commands reported by the platform
+ * to have an execution latency lesser-equal to the threshold
+ * should be considered for atomic mode operation: such
+ * decision is finally left up to the SCMI drivers.
* @force_polling: Flag to force this whole transport to use SCMI core polling
* mechanism instead of completion interrupts even if available.
* @sync_cmds_completed_on_ret: Flag to indicate that the transport assures
@@ -241,6 +247,7 @@ struct scmi_desc {
int max_rx_timeout_ms;
int max_msg;
int max_msg_size;
+ unsigned int atomic_threshold;
const bool force_polling;
const bool sync_cmds_completed_on_ret;
const bool atomic_enabled;
@@ -147,12 +147,6 @@ struct scmi_debug_info {
* base protocol
* @active_protocols: IDR storing device_nodes for protocols actually defined
* in the DT and confirmed as implemented by fw.
- * @atomic_threshold: Optional system wide DT-configured threshold, expressed
- * in microseconds, for atomic operations.
- * Only SCMI synchronous commands reported by the platform
- * to have an execution latency lesser-equal to the threshold
- * should be considered for atomic mode operation: such
- * decision is finally left up to the SCMI drivers.
* @notify_priv: Pointer to private data structure specific to notifications.
* @node: List head
* @users: Number of users of this instance
@@ -178,7 +172,6 @@ struct scmi_info {
struct mutex protocols_mtx;
u8 *protocols_imp;
struct idr active_protocols;
- unsigned int atomic_threshold;
void *notify_priv;
struct list_head node;
int users;
@@ -2427,7 +2420,7 @@ static bool scmi_is_transport_atomic(const struct scmi_handle *handle,
ret = info->desc->atomic_enabled &&
is_transport_polling_capable(info->desc);
if (ret && atomic_threshold)
- *atomic_threshold = info->atomic_threshold;
+ *atomic_threshold = info->desc->atomic_threshold;
return ret;
}
@@ -2892,7 +2885,7 @@ static struct scmi_debug_info *scmi_debugfs_common_setup(struct scmi_info *info)
(char **)&dbg->name);
debugfs_create_u32("atomic_threshold_us", 0400, top_dentry,
- &info->atomic_threshold);
+ (u32 *)&info->desc->atomic_threshold);
debugfs_create_str("type", 0400, trans, (char **)&dbg->type);
@@ -3001,6 +2994,13 @@ static const struct scmi_desc *scmi_transport_setup(struct device *dev)
trans->desc->max_rx_timeout_ms, trans->desc->max_msg_size,
trans->desc->max_msg);
+ /* System wide atomic threshold for atomic ops .. if any */
+ if (!of_property_read_u32(dev->of_node, "atomic-threshold-us",
+ &trans->desc->atomic_threshold))
+ dev_info(dev,
+ "SCMI System wide atomic threshold set to %d us\n",
+ trans->desc->atomic_threshold);
+
return trans->desc;
}
@@ -3050,13 +3050,6 @@ static int scmi_probe(struct platform_device *pdev)
handle->devm_protocol_acquire = scmi_devm_protocol_acquire;
handle->devm_protocol_get = scmi_devm_protocol_get;
handle->devm_protocol_put = scmi_devm_protocol_put;
-
- /* System wide atomic threshold for atomic ops .. if any */
- if (!of_property_read_u32(np, "atomic-threshold-us",
- &info->atomic_threshold))
- dev_info(dev,
- "SCMI System wide atomic threshold set to %d us\n",
- info->atomic_threshold);
handle->is_transport_atomic = scmi_is_transport_atomic;
/* Setup all channels described in the DT at first */
Relocate the atomic_threshold field to scmi_desc and move the related code to scmi_transport_setup. No functional change. Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- drivers/firmware/arm_scmi/common.h | 7 +++++++ drivers/firmware/arm_scmi/driver.c | 25 +++++++++---------------- 2 files changed, 16 insertions(+), 16 deletions(-)