[PATCH v2] iio: common: ssp_sensors: Protect PM-only functions to kill warning

[Geert Uytterhoeven]

If CONFIG_PM_SLEEP=n:

    drivers/iio/common/ssp_sensors/ssp_dev.c:644: warning: âssp_suspendâ defined but not used
    drivers/iio/common/ssp_sensors/ssp_dev.c:669: warning: âssp_resumeâ defined but not used

Protect the unused functions by #ifdef CONFIG_PM_SLEEP to fix this.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
v2:
  - Fix driver name in one-line summary
---
 drivers/iio/common/ssp_sensors/ssp_dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c
index 52d70435f5a11c55..55a90082a29bd484 100644
--- a/drivers/iio/common/ssp_sensors/ssp_dev.c
+++ b/drivers/iio/common/ssp_sensors/ssp_dev.c
@@ -640,6 +640,7 @@ static int ssp_remove(struct spi_device *spi)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int ssp_suspend(struct device *dev)
 {
 	int ret;
@@ -688,6 +689,7 @@ static int ssp_resume(struct device *dev)
 
 	return 0;
 }
+#endif /* CONFIG_PM_SLEEP */
 
 static const struct dev_pm_ops ssp_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(ssp_suspend, ssp_resume)
-- 
1.9.1

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