From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon, 29 Jun 2020 08:04:02 +0000 (+1000)
Subject: hwrng: st - Fix W=1 unused variable warning
X-Git-Tag: v5.15~3097^2~111
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ad23756271d5744a0a0ba556f8aaa70e358d5aa6;p=platform%2Fkernel%2Flinux-starfive.git

hwrng: st - Fix W=1 unused variable warning

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>
---

diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
index 783c24e..15ba1e6 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>
@@ -121,7 +122,7 @@ 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" },
 	{},
 };