The sdhci_get_compatibility() is not used outside of the unit: drivers/mmc/host/sdhci-pltfm.c:76:6: error: no previous prototype for ‘sdhci_get_compatibility’ [-Werror=missing-prototypes] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/mmc/host/sdhci-pltfm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 328b132bbe57..245e56324dff 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -73,7 +73,7 @@ static void sdhci_get_compatibility(struct platform_device *pdev) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; } #else -void sdhci_get_compatibility(struct platform_device *pdev) {} +static void sdhci_get_compatibility(struct platform_device *pdev) {} #endif /* CONFIG_OF */ void sdhci_get_property(struct platform_device *pdev) -- 2.34.1