linux-kernel - Re: [PATCH 1/5 v2] drivers/gpio/gpio-omap.c: convert comma to semicolon

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Date:	Tue, 13 Aug 2013 08:07:46 -0700
From:	Kevin Hilman <khilman@...aro.org>
To:	Julia Lawall <Julia.Lawall@...6.fr>
Cc:	Santosh Shilimkar <santosh.shilimkar@...com>,
	kernel-janitors@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-omap@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5 v2] drivers/gpio/gpio-omap.c: convert comma to semicolon

Julia Lawall <Julia.Lawall@...6.fr> writes:

> From: Julia Lawall <Julia.Lawall@...6.fr>
>
> Replace a comma between expression statements by a semicolon.  This changes
> the semantics of the code, but given the current indentation appears to be
> what is intended.
>
> A simplified version of the semantic patch that performs this
> transformation is as follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @r@
> expression e1,e2,e;
> type T;
> identifier i;
> @@
>
>  e1
> -,
> +;
>  e2;
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>
> ---
> Not tested.  The first version did a different transformation to avoid
> changing the semantics.  This one leaves the layout as it is, but changes
> the semantics.

This is the right one, the previous semantics were wrong due to a
copy/paste error.

Acked-by: Kevin Hilman <khilman@...aro.org>

>  drivers/gpio/gpio-omap.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
> index dfeb3a3..9f19ec9 100644
> --- a/drivers/gpio/gpio-omap.c
> +++ b/drivers/gpio/gpio-omap.c
> @@ -1030,7 +1030,7 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start,
>  	ct->chip.irq_set_type = gpio_irq_type;
>  
>  	if (bank->regs->wkup_en)
> -		ct->chip.irq_set_wake = gpio_wake_enable,
> +		ct->chip.irq_set_wake = gpio_wake_enable;
>  
>  	ct->regs.mask = OMAP_MPUIO_GPIO_INT / bank->stride;
>  	irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
> --
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