[PATCH] i3c: master: Enhance i3c_bus_type visibility for device searching & event monitoring

From: Bhoomik Gupta
Date: Mon Jul 08 2024 - 01:39:02 EST


Improve the visibility of i3c_bus_type to facilitate searching for
i3c devices attached to the i3c bus. Enable other drivers to use
bus_register_notifier to monitor i3c bus device events.

Signed-off-by: Bhoomik Gupta <bhoomik.gupta@xxxxxxx>
---
drivers/i3c/internals.h | 2 --
drivers/i3c/master.c | 1 +
include/linux/i3c/master.h | 1 +
3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index 4d99a3524171..433f6088b7ce 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -10,8 +10,6 @@

#include <linux/i3c/master.h>

-extern const struct bus_type i3c_bus_type;
-
void i3c_bus_normaluse_lock(struct i3c_bus *bus);
void i3c_bus_normaluse_unlock(struct i3c_bus *bus);

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 3b4d6a8edca3..a211dc4d25bb 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -342,6 +342,7 @@ const struct bus_type i3c_bus_type = {
.probe = i3c_device_probe,
.remove = i3c_device_remove,
};
+EXPORT_SYMBOL_GPL(i3c_bus_type);

static enum i3c_addr_slot_status
i3c_bus_get_addr_slot_status(struct i3c_bus *bus, u16 addr)
diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h
index 0ca27dd86956..074f632868d9 100644
--- a/include/linux/i3c/master.h
+++ b/include/linux/i3c/master.h
@@ -33,6 +33,7 @@ enum {
struct i3c_master_controller;
struct i3c_bus;
struct i3c_device;
+extern const struct bus_type i3c_bus_type;

/**
* struct i3c_i2c_dev_desc - Common part of the I3C/I2C device descriptor
--
2.45.2