[PATCH] gpio: brcmstb: check return value of gpiochip_irqchip_add()

[Gregory Fong]

On Wed, Aug 9, 2017 at 3:51 PM, Masahiro Yamada
<yamada.masahiro at socionext.com> wrote:
> Because gpiochip_irqchip_add() may fail, its return value should
> be checked.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

Acked-by: Gregory Fong <gregory.0xf0 at gmail.com>