From mboxrd@z Thu Jan  1 00:00:00 1970
From: Axel Lin <axel.lin@ingics.com>
Subject: Re: [RFT][PATCH 1/2] gpio: bcm-kona: Return error if requesting an
 already taken gpio
Date: Sat, 11 Apr 2015 07:01:39 +0800
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To: Ray Jui <rjui@broadcom.com>
Cc: Linus Walleij <linus.walleij@linaro.org>, Alexandre Courbot <gnurou@gmail.com>, bcm-kernel-feedback-list@broadcom.com, "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>

2015-04-11 0:05 GMT+08:00 Ray Jui <rjui@broadcom.com>:
> Hi Axel,
>
> On 4/9/2015 6:28 PM, Axel Lin wrote:
>> If a gpio is already taken, .gpio_request should return error.
>
> Isn't the protection logic already there at the higher layer in gpiolib?

OK, you are right.
Thanks for the review.
Axel