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[03/10] scsi: fdomain: Mark 'fdomain_pm_ops' as __maybe_unused

Message ID 20200707140055.2956235-4-lee.jones@linaro.org
State New
Headers show
Series Fix a bunch SCSI related W=1 warnings | expand

Commit Message

Lee Jones July 7, 2020, 2 p.m. UTC 
Not all source files which include 'fdomain.h' make use of 'fdomain_pm_ops'
leaving them defined but unused.  Mark it as __maybe_unused to tell the
compiler this is not only acceptable, but expected.

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

 In file included from drivers/scsi/pcmcia/fdomain_cs.c:16:
 drivers/scsi/fdomain.h:106:32: warning: ‘fdomain_pm_ops’ defined but not used [-Wunused-const-variable=]
 106 | static const struct dev_pm_ops fdomain_pm_ops;
 | ^~~~~~~~~~~~~~

Signed-off-by: Lee Jones <lee.jones@linaro.org>

---
 drivers/scsi/fdomain.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.25.1
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Patch

diff --git a/drivers/scsi/fdomain.h b/drivers/scsi/fdomain.h
index 6f63fc6b0d127..93afcee207aed 100644
--- a/drivers/scsi/fdomain.h
+++ b/drivers/scsi/fdomain.h
@@ -103,7 +103,7 @@  enum {
 #define REG_FIFO_COUNT		14	/* R: FIFO Data Count */
 
 #ifdef CONFIG_PM_SLEEP
-static const struct dev_pm_ops fdomain_pm_ops;
+static const struct dev_pm_ops __maybe_unused fdomain_pm_ops;
 #define FDOMAIN_PM_OPS	(&fdomain_pm_ops)
 #else
 #define FDOMAIN_PM_OPS	NULL