linux-kernel - Re: [PATCH V4 3/4] gpio: tegra: Get rid of all file scoped global variables

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Message-ID: <20160425100055.GA20630@ulmo.ba.sec>
Date:	Mon, 25 Apr 2016 12:00:55 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	swarren@...dotorg.org, linus.walleij@...aro.org, gnurou@...il.com,
	linux-gpio@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 3/4] gpio: tegra: Get rid of all file scoped global
 variables

On Fri, Apr 22, 2016 at 03:39:13PM +0530, Laxman Dewangan wrote:
[...]
> diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
[...]
>  static struct gpio_chip tegra_gpio_chip = {

This variable is still file-scoped. Why not get rid of it at the same
time? It's rather pointless to remove all file-scoped variables except a
single one, because now the driver still isn't properly equipped to deal
with multiple instances (however theoretical that may be).

Thierry

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