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firmware: arm_scmi: Move scmi protocols registration into the driver

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In preparation to enable building SCMI as a single module, let us move
the SCMI protocol registration call into the driver. This enables us
to also add unregistration of the SCMI protocols.

The main reason for this is to keep it simple instead of maintaining
it as separate modules and dealing with all possible initcall races
and deferred probe handling. We can move it as separate modules if
needed in future.

Link: https://lore.kernel.org/r/20200907195046.56615-4-sudeep.holla@arm.com
Tested-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Sudeep Holla 2020-09-07 12:06:01 +01:00
parent 5a2f0a0bdf
commit 1eaf18e35a
8 changed files with 42 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/firmware/arm_scmi/clock.c
View File

@ -364,9 +364,4 @@ static int scmi_clock_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_clock_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_CLOCK,
&scmi_clock_protocol_init);
}
subsys_initcall(scmi_clock_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_CLOCK, clock)

21
drivers/firmware/arm_scmi/common.h
View File

@ -159,6 +159,27 @@ int scmi_base_protocol_init(struct scmi_handle *h);
int __init scmi_bus_init(void);
void __exit scmi_bus_exit(void);
#define DECLARE_SCMI_REGISTER_UNREGISTER(func) \
int __init scmi_##func##_register(void); \
void __exit scmi_##func##_unregister(void)
DECLARE_SCMI_REGISTER_UNREGISTER(clock);
DECLARE_SCMI_REGISTER_UNREGISTER(perf);
DECLARE_SCMI_REGISTER_UNREGISTER(power);
DECLARE_SCMI_REGISTER_UNREGISTER(reset);
DECLARE_SCMI_REGISTER_UNREGISTER(sensors);
DECLARE_SCMI_REGISTER_UNREGISTER(system);
#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(id, name) \
int __init scmi_##name##_register(void) \
{ \
return scmi_protocol_register((id), &scmi_##name##_protocol_init); \
} \
\
void __exit scmi_##name##_unregister(void) \
{ \
scmi_protocol_unregister((id)); \
}
/* SCMI Transport */
/**
* struct scmi_chan_info - Structure representing a SCMI channel information

16
drivers/firmware/arm_scmi/driver.c
View File

@ -933,14 +933,28 @@ static int __init scmi_driver_init(void)
{
scmi_bus_init();
scmi_clock_register();
scmi_perf_register();
scmi_power_register();
scmi_reset_register();
scmi_sensors_register();
scmi_system_register();
return platform_driver_register(&scmi_driver);
}
module_init(scmi_driver_init);
subsys_initcall(scmi_driver_init);
static void __exit scmi_driver_exit(void)
{
scmi_bus_exit();
scmi_clock_unregister();
scmi_perf_unregister();
scmi_power_unregister();
scmi_reset_unregister();
scmi_sensors_unregister();
scmi_system_unregister();
platform_driver_unregister(&scmi_driver);
}
module_exit(scmi_driver_exit);

7
drivers/firmware/arm_scmi/perf.c
View File

@ -890,9 +890,4 @@ static int scmi_perf_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_perf_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_PERF,
&scmi_perf_protocol_init);
}
subsys_initcall(scmi_perf_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_PERF, perf)

7
drivers/firmware/arm_scmi/power.c
View File

@ -301,9 +301,4 @@ static int scmi_power_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_power_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_POWER,
&scmi_power_protocol_init);
}
subsys_initcall(scmi_power_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_POWER, power)

7
drivers/firmware/arm_scmi/reset.c
View File

@ -313,9 +313,4 @@ static int scmi_reset_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_reset_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_RESET,
&scmi_reset_protocol_init);
}
subsys_initcall(scmi_reset_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_RESET, reset)

7
drivers/firmware/arm_scmi/sensors.c
View File

@ -365,9 +365,4 @@ static int scmi_sensors_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_sensors_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_SENSOR,
&scmi_sensors_protocol_init);
}
subsys_initcall(scmi_sensors_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SENSOR, sensors)

7
drivers/firmware/arm_scmi/system.c
View File

@ -128,9 +128,4 @@ static int scmi_system_protocol_init(struct scmi_handle *handle)
return 0;
}
static int __init scmi_system_init(void)
{
return scmi_protocol_register(SCMI_PROTOCOL_SYSTEM,
&scmi_system_protocol_init);
}
subsys_initcall(scmi_system_init);
DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SYSTEM, system)