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hwrng: st - Fix W=1 unused variable warning

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[ 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>
This commit is contained in:
Herbert Xu 2020-06-29 18:04:02 +10:00 • committed by Greg Kroah-Hartman
commit 071560202a
1 changed files with 2 additions and 1 deletions
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3
drivers/char/hw_random/st-rng.c
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@ -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" },
{},
};