[PATCH] i2c: ACPI: Replace acpi_bus_get_device()

From: Rafael J. Wysocki
Date: Tue Feb 01 2022 - 13:00:47 EST


From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/i2c/i2c-core-acpi.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)

Index: linux-pm/drivers/i2c/i2c-core-acpi.c
===================================================================
--- linux-pm.orig/drivers/i2c/i2c-core-acpi.c
+++ linux-pm/drivers/i2c/i2c-core-acpi.c
@@ -236,7 +236,8 @@ static int i2c_acpi_get_info(struct acpi
struct acpi_device *adapter_adev;

/* The adapter must be present */
- if (acpi_bus_get_device(lookup.adapter_handle, &adapter_adev))
+ adapter_adev = acpi_fetch_acpi_dev(lookup.adapter_handle);
+ if (!adapter_adev)
return -ENODEV;
if (acpi_bus_get_status(adapter_adev) ||
!adapter_adev->status.present)
@@ -275,13 +276,10 @@ static acpi_status i2c_acpi_add_device(a
void *data, void **return_value)
{
struct i2c_adapter *adapter = data;
- struct acpi_device *adev;
+ struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
struct i2c_board_info info;

- if (acpi_bus_get_device(handle, &adev))
- return AE_OK;
-
- if (i2c_acpi_get_info(adev, &info, adapter, NULL))
+ if (!adev || i2c_acpi_get_info(adev, &info, adapter, NULL))
return AE_OK;

i2c_acpi_register_device(adapter, adev, &info);
@@ -341,12 +339,9 @@ static acpi_status i2c_acpi_lookup_speed
void *data, void **return_value)
{
struct i2c_acpi_lookup *lookup = data;
- struct acpi_device *adev;
-
- if (acpi_bus_get_device(handle, &adev))
- return AE_OK;
+ struct acpi_device *adev = acpi_fetch_acpi_dev(handle);

- if (i2c_acpi_do_lookup(adev, lookup))
+ if (!adev || i2c_acpi_do_lookup(adev, lookup))
return AE_OK;

if (lookup->search_handle != lookup->adapter_handle)