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Subject[PATCH] firmware: tegra-bpmp: mark PM function as __maybe_unused
The newly added tegra_bpmp_resume function is unused when CONFIG_PM
is disabled:

drivers/firmware/tegra/bpmp.c:847:12: error: 'tegra_bpmp_resume' defined but not used [-Werror=unused-function]
static int tegra_bpmp_resume(struct device *dev)

Mark it as __maybe_unused to avoid the warning and let the compiler
drop it silently.

Fixes: cd40f6ff124c ("firmware: tegra: bpmp: Implement suspend/resume support")
Signed-off-by: Arnd Bergmann <>
drivers/firmware/tegra/bpmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index 41448ba78be9..a3d5b518c10e 100644
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -844,7 +844,7 @@ static int tegra_bpmp_probe(struct platform_device *pdev)
return err;

-static int tegra_bpmp_resume(struct device *dev)
+static int __maybe_unused tegra_bpmp_resume(struct device *dev)
struct tegra_bpmp *bpmp = dev_get_drvdata(dev);
unsigned int i;
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