[PATCH 5/6] comedi: drivers: ni_mio_common: Move 'range_ni_E_ao_ext' to where it is used

Lee Jones
2021-05-20T12:25:52Z

... and mark it as __maybe_unused since not all users of the
header file reference it.

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

drivers/staging/comedi/drivers/ni_mio_common.c:163:35: warning: ‘range_ni_E_ao_ext’ defined but not used [-Wunused-const-variable=]

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: "David A. Schleef" <ds@schleef.org>
Cc: Mori Hess <fmhess@users.sourceforge.net>
Cc: Truxton Fulton <trux@truxton.com>
Cc: linux-staging@lists.linux.dev
Cc: linux-pwm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/comedi/drivers/ni_mio_common.c | 9 ---------
drivers/comedi/drivers/ni_stc.h | 9 ++++++++-
2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/comedi/drivers/ni_mio_common.c b/drivers/comedi/drivers/ni_mio_common.c
index 4f80a4991f953..37615b4e2c10d 100644
--- a/drivers/comedi/drivers/ni_mio_common.c
+++ b/drivers/comedi/drivers/ni_mio_common.c
@@ -160,15 +160,6 @@ static const struct comedi_lrange range_ni_M_ai_628x = {
}
};

-static const struct comedi_lrange range_ni_E_ao_ext = {
- 4, {
- BIP_RANGE(10),
- UNI_RANGE(10),
- RANGE_ext(-1, 1),
- RANGE_ext(0, 1)
- }
-};
-
static const struct comedi_lrange *const ni_range_lkup[] = {
[ai_gain_16] = &range_ni_E_ai,
[ai_gain_8] = &range_ni_E_ai_limited,
diff --git a/drivers/comedi/drivers/ni_stc.h b/drivers/comedi/drivers/ni_stc.h
index fbc0b753a0f59..0822e65f709dd 100644
--- a/drivers/comedi/drivers/ni_stc.h
+++ b/drivers/comedi/drivers/ni_stc.h
@@ -1137,6 +1137,13 @@ struct ni_private {
u8 rgout0_usage;
};

-static const struct comedi_lrange range_ni_E_ao_ext;
+static const struct comedi_lrange __maybe_unused range_ni_E_ao_ext = {
+ 4, {
+ BIP_RANGE(10),
+ UNI_RANGE(10),
+ RANGE_ext(-1, 1),
+ RANGE_ext(0, 1)
+ }
+};

#endif /* _COMEDI_NI_STC_H */
--
2.31.1