[PATCH 02/30] iio: accel: bma220_spi: Do not define 'struct acpi_device_id' when !CONFIG_ACPI

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Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
struct 'bma220_acpi_id' becomes defined but unused.

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

 drivers/iio/accel/bma220_spi.c:312:36: warning: ‘bma220_acpi_id’ defined but not used [-Wunused-const-variable=]
 312 | static const struct acpi_device_id bma220_acpi_id[] = {
 | ^~~~~~~~~~~~~~

Cc: Tiberiu Breana <tiberiu.a.breana@xxxxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/iio/accel/bma220_spi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c
index cae905039cb62..439618d815594 100644
--- a/drivers/iio/accel/bma220_spi.c
+++ b/drivers/iio/accel/bma220_spi.c
@@ -309,12 +309,14 @@ static const struct spi_device_id bma220_spi_id[] = {
 	{}
 };
 
+#ifdef CONFIG_ACPI
 static const struct acpi_device_id bma220_acpi_id[] = {
 	{"BMA0220", 0},
 	{}
 };
 
 MODULE_DEVICE_TABLE(spi, bma220_spi_id);
+#endif
 
 static struct spi_driver bma220_driver = {
 	.driver = {
-- 
2.25.1




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