From mboxrd@z Thu Jan 1 00:00:00 1970
From: Julia.Lawall@lip6.fr (Julia Lawall)
Date: Sun, 11 Sep 2016 14:14:39 +0200
Subject: [PATCH 3/6] pinctrl: mediatek: constify gpio_chip structures
In-Reply-To: <1473596082-32690-1-git-send-email-Julia.Lawall@lip6.fr>
References: <1473596082-32690-1-git-send-email-Julia.Lawall@lip6.fr>
Message-ID: <1473596082-32690-4-git-send-email-Julia.Lawall@lip6.fr>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org
These structures are only used to copy into other structures, so declare
them as const.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
//
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct gpio_chip i at p = { ... };
@ok@
identifier r.i;
expression e;
position p;
@@
e = i at p;
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct gpio_chip e;
@@
e at i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct gpio_chip i = { ... };
//
Signed-off-by: Julia Lawall
---
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index ba2b03d..f9aef2a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1054,7 +1054,7 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset,
return 0;
}
-static struct gpio_chip mtk_gpio_chip = {
+static const struct gpio_chip mtk_gpio_chip = {
.owner = THIS_MODULE,
.request = gpiochip_generic_request,
.free = gpiochip_generic_free,