From mboxrd@z Thu Jan 1 00:00:00 1970
From: Julia.Lawall@lip6.fr (Julia Lawall)
Date: Sun, 11 Sep 2016 14:14:40 +0200
Subject: [PATCH 4/6] pinctrl: stm32: 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: <1473596082-32690-5-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/stm32/pinctrl-stm32.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 4ae596b..6d92351 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -174,7 +174,7 @@ static int stm32_gpio_direction_output(struct gpio_chip *chip,
return 0;
}
-static struct gpio_chip stm32_gpio_template = {
+static const struct gpio_chip stm32_gpio_template = {
.request = stm32_gpio_request,
.free = stm32_gpio_free,
.get = stm32_gpio_get,