[PATCH v1] Bluetooth: btintel_pcie: Fix build error when CONFIG_ACPI is disabled

[Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>]

btintel_pcie_acpi_reset_method() uses ACPI APIs such as
acpi_evaluate_object() and acpi_has_method() which are not available
when CONFIG_ACPI is disabled, causing build errors on architectures
like ppc64le that lack ACPI support.

Guard btintel_pcie_acpi_reset_method() with IS_ENABLED(CONFIG_ACPI)
and provide a stub returning -ENODEV when ACPI is not enabled.

Fixes: 912a499a7955 ("Bluetooth: btintel_pcie: Support Product level reset")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
---
 drivers/bluetooth/btintel_pcie.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 076beb45c410..4d136ff342b8 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -2280,6 +2280,7 @@ static void btintel_pcie_inc_recovery_count(struct pci_dev *pdev,
 static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data);
 static void btintel_pcie_reset(struct hci_dev *hdev);
 
+#if IS_ENABLED(CONFIG_ACPI)
 static int btintel_pcie_acpi_reset_method(struct btintel_pcie_data *data)
 {
 	union acpi_object *obj, argv4;
@@ -2333,6 +2334,12 @@ static int btintel_pcie_acpi_reset_method(struct btintel_pcie_data *data)
 	pci_dev_unlock(data->pdev);
 	return ret;
 }
+#else
+static int btintel_pcie_acpi_reset_method(struct btintel_pcie_data *data)
+{
+	return -ENODEV;
+}
+#endif
 
 static void btintel_pcie_perform_pldr(struct btintel_pcie_data *data)
 {
-- 
2.43.0