linux-kernel - [PATCH v2 14/14] spi: spi-amd: Do not define 'struct acpi_device_id' when !CONFIG

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Date:   Fri, 17 Jul 2020 14:54:24 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     broonie@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Sanjay R Mehta <sanju.mehta@....com>
Subject: [PATCH v2 14/14] spi: spi-amd: Do not define 'struct acpi_device_id' when !CONFIG_ACPI

Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
struct 'spi_acpi_match' becomes defined but unused.

Fixes the following W=1 kernel build warning(s):

 drivers/spi/spi-amd.c:297:36: warning: ‘spi_acpi_match’ defined but not used [-Wunused-const-variable=]
 297 | static const struct acpi_device_id spi_acpi_match[] = {
 | ^~~~~~~~~~~~~~

Cc: Sanjay R Mehta <sanju.mehta@....com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/spi/spi-amd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi-amd.c b/drivers/spi/spi-amd.c
index d0aacd4de1b9e..7f629544060db 100644
--- a/drivers/spi/spi-amd.c
+++ b/drivers/spi/spi-amd.c
@@ -294,11 +294,13 @@ static int amd_spi_probe(struct platform_device *pdev)
 	return err;
 }
 
+#ifdef CONFIG_ACPI
 static const struct acpi_device_id spi_acpi_match[] = {
 	{ "AMDI0061", 0 },
 	{},
 };
 MODULE_DEVICE_TABLE(acpi, spi_acpi_match);
+#endif
 
 static struct platform_driver amd_spi_driver = {
 	.driver = {
-- 
2.25.1