linux-kernel - [PATCH 1/2] nfc: pn533: Constify serdev_device

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Message-Id: <20211006224738.51354-2-rikard.falkeborn@gmail.com>
Date:   Thu,  7 Oct 2021 00:47:37 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nfc@...ts.01.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 1/2] nfc: pn533: Constify serdev_device_ops

The only usage of pn532_serdev_ops is to pass its address to
serdev_device_set_client_ops(), which takes a pointer to const
serdev_device_ops as argument. Make it const to allow the compiler to
put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/nfc/pn533/uart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c
index 7bdaf8263070..77bb073f031a 100644
--- a/drivers/nfc/pn533/uart.c
+++ b/drivers/nfc/pn533/uart.c
@@ -224,7 +224,7 @@ static int pn532_receive_buf(struct serdev_device *serdev,
 	return i;
 }
 
-static struct serdev_device_ops pn532_serdev_ops = {
+static const struct serdev_device_ops pn532_serdev_ops = {
 	.receive_buf = pn532_receive_buf,
 	.write_wakeup = serdev_device_write_wakeup,
 };
-- 
2.33.0