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Date: Sun, 11 Sep 2016 14:14:39 +0200 From: Julia Lawall <Julia.Lawall@...6.fr> To: Linus Walleij <linus.walleij@...aro.org> Cc: kernel-janitors@...r.kernel.org, Matthias Brugger <matthias.bgg@...il.com>, linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH 3/6] pinctrl: mediatek: constify gpio_chip structures 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/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct gpio_chip i@p = { ... }; @ok@ identifier r.i; expression e; position p; @@ e = i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct gpio_chip e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct gpio_chip i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr> --- 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,
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