From: Herbert Xu herbert@gondor.apana.org.au
[ Upstream commit ad23756271d5744a0a0ba556f8aaa70e358d5aa6 ]
This patch fixes an unused variable warning when this driver is built-in with CONFIG_OF=n.
Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Stable-dep-of: 501e197a02d4 ("hwrng: st - keep clock enabled while hwrng is registered") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/char/hw_random/st-rng.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c index 863448360a7da..50975e761ca58 100644 --- a/drivers/char/hw_random/st-rng.c +++ b/drivers/char/hw_random/st-rng.c @@ -12,6 +12,7 @@ #include <linux/delay.h> #include <linux/hw_random.h> #include <linux/io.h> +#include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -123,7 +124,7 @@ static int st_rng_remove(struct platform_device *pdev) return 0; }
-static const struct of_device_id st_rng_match[] = { +static const struct of_device_id st_rng_match[] __maybe_unused = { { .compatible = "st,rng" }, {}, };