[PATCH v1 1/6] i2c: acpi: Export i2c_acpi_find_client_by_adev() for users

Andy Shevchenko
2021-05-26T12:43:56Z

There is at least one user that will gain from the
i2c_acpi_find_client_by_adev() being exported.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/i2c/i2c-core-acpi.c | 3 ++-
include/linux/i2c.h | 6 ++++++
2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 8ceaa88dd78f..5be37a5efcb4 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -387,7 +387,7 @@ struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
}
EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle);

-static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
+struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
{
struct device *dev;
struct i2c_client *client;
@@ -402,6 +402,7 @@ static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)

return client;
}
+EXPORT_SYMBOL_GPL(i2c_acpi_find_client_by_adev);

static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value,
void *arg)
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index e8f2ac8c9c3d..335dc4f5abbb 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -995,6 +995,7 @@ static inline int of_i2c_get_board_info(struct device *dev,

#endif /* CONFIG_OF */

+struct acpi_device;
struct acpi_resource;
struct acpi_resource_i2c_serialbus;

@@ -1005,6 +1006,7 @@ u32 i2c_acpi_find_bus_speed(struct device *dev);
struct i2c_client *i2c_acpi_new_device(struct device *dev, int index,
struct i2c_board_info *info);
struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle);
+struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev);
#else
static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
struct acpi_resource_i2c_serialbus **i2c)
@@ -1024,6 +1026,10 @@ static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle ha
{
return NULL;
}
+static inline struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
+{
+ return NULL;
+}
#endif /* CONFIG_ACPI */

#endif /* _LINUX_I2C_H */
--
2.30.2