From 0163c1c521ff8b09cd8ca395003cc00178161d77 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Mon, 11 Nov 2019 11:21:15 +0800 Subject: [PATCH] iio: st_accel: Fix unused variable warning drivers/iio/accel/st_accel_core.c:1005:44: warning: mount_matrix_ext_info defined but not used [-Wunused-const-variable=] Using stub helper while CONFIG_ACPI is disabled to fix it. Suggested-by: Ladislav Michl Signed-off-by: YueHaibing Signed-off-by: Jonathan Cameron --- drivers/iio/accel/st_accel_core.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 7b837641f166..7320275c7e56 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -992,6 +992,7 @@ static const struct iio_trigger_ops st_accel_trigger_ops = { #define ST_ACCEL_TRIGGER_OPS NULL #endif +#ifdef CONFIG_ACPI static const struct iio_mount_matrix * get_mount_matrix(const struct iio_dev *indio_dev, const struct iio_chan_spec *chan) @@ -1012,7 +1013,6 @@ static const struct iio_chan_spec_ext_info mount_matrix_ext_info[] = { static int apply_acpi_orientation(struct iio_dev *indio_dev, struct iio_chan_spec *channels) { -#ifdef CONFIG_ACPI struct st_sensor_data *adata = iio_priv(indio_dev); struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; struct acpi_device *adev; @@ -1140,10 +1140,14 @@ static int apply_acpi_orientation(struct iio_dev *indio_dev, out: kfree(buffer.pointer); return ret; -#else /* !CONFIG_ACPI */ - return 0; -#endif } +#else /* !CONFIG_ACPI */ +static int apply_acpi_orientation(struct iio_dev *indio_dev, + struct iio_chan_spec *channels) +{ + return 0; +} +#endif /* * st_accel_get_settings() - get sensor settings from device name