[5/7] hwrng: st - Fix W=1 unused variable warning

Message ID E1jpolm-0003w9-IT@fornost.hmeau.com
State Accepted
Commit ad23756271d5744a0a0ba556f8aaa70e358d5aa6
Headers show
Series
  • [1/7] hwrng: npcm - Fix W=1 unused variable warning
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Commit Message

Herbert Xu June 29, 2020, 8:04 a.m.
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>
---

 drivers/char/hw_random/st-rng.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
index 783c24e3f8b7f..15ba1e6fae4d2 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" },
 	{},
 };