From: Rikard Falkeborn <rikard.falkeborn@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>
Cc: Rikard Falkeborn <rikard.falkeborn@gmail.com>,
linux-kernel@vger.kernel.org, Matt Mackall <mpm@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Florian Fainelli <f.fainelli@gmail.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
linux-crypto@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] hwrng: bcm2835 - Constify bcm2835_rng_devtype[]
Date: Wed, 1 Jul 2020 22:09:46 +0200 [thread overview]
Message-ID: <20200701200950.30314-2-rikard.falkeborn@gmail.com> (raw)
In-Reply-To: <20200701200950.30314-1-rikard.falkeborn@gmail.com>
bcm2835_rng_devtype[] 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
2392 176 0 2568 a08 drivers/char/hw_random/bcm2835-rng.o
After:
text data bss dec hex filename
2464 104 0 2568 a08 drivers/char/hw_random/bcm2835-rng.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
drivers/char/hw_random/bcm2835-rng.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index cbf5eaea662c..0839236a6d19 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -188,7 +188,7 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
MODULE_DEVICE_TABLE(of, bcm2835_rng_of_match);
-static struct platform_device_id bcm2835_rng_devtype[] = {
+static const struct platform_device_id bcm2835_rng_devtype[] = {
{ .name = "bcm2835-rng" },
{ .name = "bcm63xx-rng" },
{ /* sentinel */ }
--
2.27.0
next prev parent reply other threads:[~2020-07-01 21:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 20:09 [PATCH 0/5] drivers/char: Constify static variables Rikard Falkeborn
2020-07-01 20:09 ` Rikard Falkeborn [this message]
2020-07-01 21:52 ` [PATCH 1/5] hwrng: bcm2835 - Constify bcm2835_rng_devtype[] Florian Fainelli
2020-07-01 20:09 ` [PATCH 2/5] hwrng: nomadik - Constify nmk_rng_ids[] Rikard Falkeborn
2020-07-02 7:51 ` Arnd Bergmann
2020-07-01 20:09 ` [PATCH 3/5] hwrng: virtio - Constify id_table[] Rikard Falkeborn
2020-07-02 8:58 ` [PATCH 0/5] drivers/char: Constify static variables Arnd Bergmann
2020-07-09 12:54 ` Herbert Xu
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