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Diffstat (limited to 'kernel/drivers/spmi/spmi.c')
-rw-r--r--kernel/drivers/spmi/spmi.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/kernel/drivers/spmi/spmi.c b/kernel/drivers/spmi/spmi.c
index 94938436a..6b3da1bb0 100644
--- a/kernel/drivers/spmi/spmi.c
+++ b/kernel/drivers/spmi/spmi.c
@@ -22,6 +22,8 @@
#include <linux/pm_runtime.h>
#include <dt-bindings/spmi/spmi.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/spmi.h>
static DEFINE_IDA(ctrl_ida);
@@ -96,28 +98,42 @@ EXPORT_SYMBOL_GPL(spmi_device_remove);
static inline int
spmi_cmd(struct spmi_controller *ctrl, u8 opcode, u8 sid)
{
+ int ret;
+
if (!ctrl || !ctrl->cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->cmd(ctrl, opcode, sid);
+ ret = ctrl->cmd(ctrl, opcode, sid);
+ trace_spmi_cmd(opcode, sid, ret);
+ return ret;
}
static inline int spmi_read_cmd(struct spmi_controller *ctrl, u8 opcode,
u8 sid, u16 addr, u8 *buf, size_t len)
{
+ int ret;
+
if (!ctrl || !ctrl->read_cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->read_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_read_begin(opcode, sid, addr);
+ ret = ctrl->read_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_read_end(opcode, sid, addr, ret, len, buf);
+ return ret;
}
static inline int spmi_write_cmd(struct spmi_controller *ctrl, u8 opcode,
u8 sid, u16 addr, const u8 *buf, size_t len)
{
+ int ret;
+
if (!ctrl || !ctrl->write_cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->write_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_write_begin(opcode, sid, addr, len, buf);
+ ret = ctrl->write_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_write_end(opcode, sid, addr, ret);
+ return ret;
}
/**
@@ -544,12 +560,13 @@ EXPORT_SYMBOL_GPL(spmi_controller_remove);
* This API will register the client driver with the SPMI framework.
* It is typically called from the driver's module-init function.
*/
-int spmi_driver_register(struct spmi_driver *sdrv)
+int __spmi_driver_register(struct spmi_driver *sdrv, struct module *owner)
{
sdrv->driver.bus = &spmi_bus_type;
+ sdrv->driver.owner = owner;
return driver_register(&sdrv->driver);
}
-EXPORT_SYMBOL_GPL(spmi_driver_register);
+EXPORT_SYMBOL_GPL(__spmi_driver_register);
static void __exit spmi_exit(void)
{