linux-kernel - [PATCH] ACPI: AGDI: Fix missing prototype warning for acpi_agdi

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Message-Id: <20220425221802.68498-1-ilkka@os.amperecomputing.com>
Date:   Mon, 25 Apr 2022 15:18:02 -0700
From:   Ilkka Koskinen <ilkka@...amperecomputing.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Sudeep Holla <sudeep.holla@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Cc:     Len Brown <lenb@...nel.org>,
        Ilkka Koskinen <ilkka@...amperecomputing.com>,
        linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI: AGDI: Fix missing prototype warning for acpi_agdi_init()

When building with W=1, we get the following warning:

drivers/acpi/arm64/agdi.c:88:13: warning: no previous prototype for ‘acpi_agdi_init’ [-Wmissing-prototypes]
 void __init acpi_agdi_init(void)

Include AGDI driver's header file to pull in the prototype definition
for acpi_agdi_init() to get rid of the compiler warning

Fixes: a2a591fb76e6 ("ACPI: AGDI: Add driver for Arm Generic Diagnostic Dump and Reset device")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Ilkka Koskinen <ilkka@...amperecomputing.com>
---
 drivers/acpi/arm64/agdi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/arm64/agdi.c b/drivers/acpi/arm64/agdi.c
index 4df337d545b7..cf31abd0ed1b 100644
--- a/drivers/acpi/arm64/agdi.c
+++ b/drivers/acpi/arm64/agdi.c
@@ -9,6 +9,7 @@
 #define pr_fmt(fmt) "ACPI: AGDI: " fmt
 
 #include <linux/acpi.h>
+#include <linux/acpi_agdi.h>
 #include <linux/arm_sdei.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
-- 
2.17.1