linux-kernel - [PATCH 2/5] hwrng: nomadik

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Message-Id: <20200701200950.30314-3-rikard.falkeborn@gmail.com>
Date:   Wed,  1 Jul 2020 22:09:47 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] hwrng: nomadik - Constify nmk_rng_ids[]

nmk_rng_ids[] is not modified and can be made const to allow the
compiler to put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
    652     216       4     872     368 drivers/char/hw_random/nomadik-rng.o

After:
   text    data     bss     dec     hex filename
    676     192       4     872     368 drivers/char/hw_random/nomadik-rng.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/char/hw_random/nomadik-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index 74ed29f42e4f..b0ded41eb865 100644
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -76,7 +76,7 @@ static int nmk_rng_remove(struct amba_device *dev)
 	return 0;
 }
 
-static struct amba_id nmk_rng_ids[] = {
+static const struct amba_id nmk_rng_ids[] = {
 	{
 		.id	= 0x000805e1,
 		.mask	= 0x000fffff, /* top bits are rev and cfg: accept all */
-- 
2.27.0