linux-kernel - [net: PATCH] net: mvmdio: fix compilation warning

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Message-Id: <20211115153024.209083-1-mw@semihalf.com>
Date:   Mon, 15 Nov 2021 16:30:24 +0100
From:   Marcin Wojtas <mw@...ihalf.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, upstream@...ihalf.com,
        Marcin Wojtas <mw@...ihalf.com>,
        kernel test robot <lkp@...el.com>
Subject: [net: PATCH] net: mvmdio: fix compilation warning

The kernel test robot reported a following issue:

>> drivers/net/ethernet/marvell/mvmdio.c:426:36: warning:
unused variable 'orion_mdio_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id orion_mdio_acpi_match[] = {
                                      ^
   1 warning generated.

Fix that by surrounding the variable by appropriate ifdef.

Fixes: c54da4c1acb1 ("net: mvmdio: add ACPI support")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
---
 drivers/net/ethernet/marvell/mvmdio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
index 62a97c46fba0..ef878973b859 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -429,12 +429,14 @@ static const struct of_device_id orion_mdio_match[] = {
 };
 MODULE_DEVICE_TABLE(of, orion_mdio_match);
 
+#ifdef CONFIG_ACPI
 static const struct acpi_device_id orion_mdio_acpi_match[] = {
 	{ "MRVL0100", BUS_TYPE_SMI },
 	{ "MRVL0101", BUS_TYPE_XSMI },
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, orion_mdio_acpi_match);
+#endif
 
 static struct platform_driver orion_mdio_driver = {
 	.probe = orion_mdio_probe,
-- 
2.29.0