linux-kernel - [PATCH 5/6] comedi: drivers: ni_mio_common: Move 'range_ni_E_ao

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Date:   Thu, 20 May 2021 13:25:37 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org, Ian Abbott <abbotti@....co.uk>,
        H Hartley Sweeten <hsweeten@...ionengravers.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        "David A. Schleef" <ds@...leef.org>,
        Mori Hess <fmhess@...rs.sourceforge.net>,
        Truxton Fulton <trux@...xton.com>,
        linux-staging@...ts.linux.dev, linux-pwm@...r.kernel.org
Subject: [PATCH 5/6] comedi: drivers: ni_mio_common: Move 'range_ni_E_ao_ext' to where it is used

... 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@....co.uk>
Cc: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Thierry Reding <thierry.reding@...il.com>
Cc: "Uwe Kleine-König" <u.kleine-koenig@...gutronix.de>
Cc: Lee Jones <lee.jones@...aro.org>
Cc: "David A. Schleef" <ds@...leef.org>
Cc: Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Truxton Fulton <trux@...xton.com>
Cc: linux-staging@...ts.linux.dev
Cc: linux-pwm@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.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