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Revert "i2c: acpi: Unbind mux adapters before delete"

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This reverts commit b1574c8c0a which is
commit 3f858bbf04dbac934ac279aaee05d49eb9910051 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Idee931998e80ee3ce1c11fa19a49daeea6388fbb
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-08-16 14:16:31 +00:00
parent ced5058778
commit efbc7c7549
1 changed files with 4 additions and 15 deletions
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19
drivers/i2c/i2c-core-acpi.c
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@@ -445,11 +445,6 @@ static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
return i2c_find_device_by_fwnode(acpi_fwnode_handle(adev));
}
static struct i2c_adapter *i2c_acpi_find_adapter_by_adev(struct acpi_device *adev)
{
return i2c_find_adapter_by_fwnode(acpi_fwnode_handle(adev));
}
static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value,
void *arg)
{
@@ -476,17 +471,11 @@ static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value,
break;
client = i2c_acpi_find_client_by_adev(adev);
if (client) {
i2c_unregister_device(client);
put_device(&client->dev);
}
adapter = i2c_acpi_find_adapter_by_adev(adev);
if (adapter) {
acpi_unbind_one(&adapter->dev);
put_device(&adapter->dev);
}
if (!client)
break;
i2c_unregister_device(client);
put_device(&client->dev);
break;
}