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hwrng: omap3-rom - Fix unused function warnings

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When runtime-pm is disabled, we get a few harmless warnings:

drivers/char/hw_random/omap3-rom-rng.c:65:12: error: unused function 'omap_rom_rng_runtime_suspend' [-Werror,-Wunused-function]
drivers/char/hw_random/omap3-rom-rng.c:81:12: error: unused function 'omap_rom_rng_runtime_resume' [-Werror,-Wunused-function]

Mark these functions as __maybe_unused so gcc can drop them
silently.

Fixes: 8d9d4bdc49 ("hwrng: omap3-rom - Use runtime PM instead of custom functions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Arnd Bergmann 2019-10-22 16:27:31 +02:00 • committed by Herbert Xu
parent 13a1bb93f7
commit fbbfb3f83e
1 changed files with 2 additions and 2 deletions
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4
drivers/char/hw_random/omap3-rom-rng.c
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@ -62,7 +62,7 @@ static int omap3_rom_rng_read(struct hwrng *rng, void *data, size_t max, bool w)
return r;
}
static int omap_rom_rng_runtime_suspend(struct device *dev)
static int __maybe_unused omap_rom_rng_runtime_suspend(struct device *dev)
{
struct omap_rom_rng *ddata;
int r;
@ -78,7 +78,7 @@ static int omap_rom_rng_runtime_suspend(struct device *dev)
return 0;
}
static int omap_rom_rng_runtime_resume(struct device *dev)
static int __maybe_unused omap_rom_rng_runtime_resume(struct device *dev)
{
struct omap_rom_rng *ddata;
int r;