linux-kernel - [PATCH v4 1/6] ACPI: bus: implement for_each_acpi_dev

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Message-Id: <20241211-fix-ipu-v4-1-4102e97aceb6@chromium.org>
Date: Wed, 11 Dec 2024 16:07:17 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: "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-kernel@...r.kernel.org, 
 linux-acpi@...r.kernel.org, acpica-devel@...ts.linux.dev, 
 Ricardo Ribalda <ribalda@...omium.org>, 
 Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH v4 1/6] ACPI: bus: implement for_each_acpi_dev_match when
 !ACPI

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

The condition `false && hid && uid && hrv` is used to avoid "variable
not used" warnings.

Reviewed-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Acked-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 include/acpi/acpi_bus.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index b2e377b7f337..2b09e513ecf3 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -1003,6 +1003,9 @@ static inline int unregister_acpi_bus_type(void *bus) { return 0; }

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

+#define for_each_acpi_dev_match(adev, hid, uid, hrv)			\
+	for (adev = NULL; false && (hid) && (uid) && (hrv); )
+
 #endif				/* CONFIG_ACPI */

 #endif /*__ACPI_BUS_H__*/

-- 
2.47.0.338.g60cca15819-goog