mailbox: tegra-hsp: mark suspend function as __maybe_unused

We get a warning about this being unused when CONFIG_PM is disabled:

drivers/mailbox/tegra-hsp.c:782:12: error: 'tegra_hsp_resume' defined but not used [-Werror=unused-function]

Fixes: 9a63f0f40599 ("mailbox: tegra-hsp: Add suspend/resume support")
Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Jassi Brar <[email protected]>

diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c
index e443f6a2ec4bf81eb17770bf06ed062e12c952b6..11fc9fd6a94a90144a93d4d8f878281fd453abc9 100644 (file)
--- a/drivers/mailbox/tegra-hsp.c
+++ b/drivers/mailbox/tegra-hsp.c
@@ -779,7 +779,7 @@ static int tegra_hsp_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int tegra_hsp_resume(struct device *dev)
+static int __maybe_unused tegra_hsp_resume(struct device *dev)
 {
        struct tegra_hsp *hsp = dev_get_drvdata(dev);
        unsigned int i;