linux-kernel - [PATCH] mfd: kempld-core: Mark kempld-acpi_table as __maybe

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Message-ID: <37c55c13f9042dde06fd67c829b06765286d0580.camel@kontron.com>
Date:   Thu, 1 Oct 2020 09:52:46 +0000
From:   Michael Brunner <Michael.Brunner@...tron.com>
To:     "lee.jones@...aro.org" <lee.jones@...aro.org>
CC:     "mibru@....de" <mibru@....de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] mfd: kempld-core: Mark kempld-acpi_table as __maybe_unused

The Intel 0-DAY CI Kernel Test Service reports an unused variable
warning when compiling with clang for PowerPC:

>> drivers/mfd/kempld-core.c:556:36: warning: unused variable 'kempld_acpi_table' [-Wunused-const-variable]
   static const struct acpi_device_id kempld_acpi_table[] = {

The issue can be fixed by marking kempld_acpi_table as __maybe_unused.

Fixes: e8299c7313af ("[PATCH] mfd: Add ACPI support to Kontron PLD driver")

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Michael Brunner <michael.brunner@...tron.com>
---
 drivers/mfd/kempld-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index 1dfe556df038..273481dfaad4 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -553,7 +553,7 @@ static int kempld_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static const struct acpi_device_id kempld_acpi_table[] = {
+static const struct acpi_device_id __maybe_unused kempld_acpi_table[] = {
 	{ "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic },
 	{}
 };
-- 
2.25.1