Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI, struct 'pxa2xx_spi_acpi_match' becomes defined but unused. Fixes the following W=1 kernel build warning(s): drivers/spi/spi-pxa2xx.c:1435:36: warning: ‘pxa2xx_spi_acpi_match’ defined but not used [-Wunused-const-variable=] 1435 | static const struct acpi_device_id pxa2xx_spi_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~~ Cc: Daniel Mack <daniel@xxxxxxxxxx> Cc: Haojian Zhuang <haojian.zhuang@xxxxxxxxx> Cc: Robert Jarzmik <robert.jarzmik@xxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/spi/spi-pxa2xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0040362b71622..814268405ab0b 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1432,6 +1432,7 @@ static void cleanup(struct spi_device *spi) kfree(chip); } +#ifdef CONFIG_ACPI static const struct acpi_device_id pxa2xx_spi_acpi_match[] = { { "INT33C0", LPSS_LPT_SSP }, { "INT33C1", LPSS_LPT_SSP }, @@ -1442,6 +1443,7 @@ static const struct acpi_device_id pxa2xx_spi_acpi_match[] = { { }, }; MODULE_DEVICE_TABLE(acpi, pxa2xx_spi_acpi_match); +#endif /* * PCI IDs of compound devices that integrate both host controller and private -- 2.25.1