linux-kernel - [PATCH v2 3/7] ACPI: bus: implement acpi_get_physical_device

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Message-Id: <20241122-fix-ipu-v2-3-bba65856e9ff@chromium.org>
Date: Fri, 22 Nov 2024 09:48:00 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, 
 Robert Moore <robert.moore@...el.com>, 
 "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Dan Carpenter <dan.carpenter@...aro.org>, linux-media@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, 
 acpica-devel@...ts.linux.dev, Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 3/7] ACPI: bus: implement
 acpi_get_physical_device_location when !ACPI

Provide an implementation of acpi_get_physical_device_location that can
be used when CONFIG_ACPI is not set.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 include/acpi/acpi_bus.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index eaafca41cf02..4888231422ea 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -43,9 +43,6 @@ acpi_status
 acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
 		  struct acpi_buffer *status_buf);

-acpi_status
-acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
-
 bool acpi_has_method(acpi_handle handle, char *name);
 acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
 				       u64 arg);
@@ -60,6 +57,9 @@ bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs);
 union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
 			u64 rev, u64 func, union acpi_object *argv4);
 #ifdef CONFIG_ACPI
+acpi_status
+acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
+
 static inline union acpi_object *
 acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev,
 			u64 func, union acpi_object *argv4,
@@ -1003,6 +1003,8 @@ static inline int unregister_acpi_bus_type(void *bus) { return 0; }

 static inline int acpi_wait_for_acpi_ipmi(void) { return 0; }

+#define acpi_get_physical_device_location(handle, pld) (AE_ERROR)
+
 #define for_each_acpi_dev_match(adev, hid, uid, hrv)			\
 	for (adev = NULL; false && (hid) && (uid) && (hrv);)

-- 
2.47.0.371.ga323438b13-goog