linux-kernel - Re: [PATCH 2/4] pinctrl: rockchip: Don't call pinctrl_gpio_direction_output() in pin_config

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Date:	Tue, 21 Oct 2014 09:32:11 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc:	Chris Zhong <zyw@...k-chips.com>,
	Sonny Rao <sonnyrao@...omium.org>,
	linux-rockchip@...ts.infradead.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Doug Anderson <dianders@...omium.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] pinctrl: rockchip: Don't call pinctrl_gpio_direction_output()
 in pin_config_set()

Hi,

On Mon, Oct 20, 2014 at 4:27 PM, Doug Anderson <dianders@...omium.org> wrote:
> @@ -959,9 +968,10 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
>                                 return rc;
>                         break;
>                 case PIN_CONFIG_OUTPUT:
> -                       rc = rockchip_gpio_direction_output(&bank->gpio_chip,
> -                                                           pin - bank->pin_base,
> -                                                           arg);
> +                       rockchip_gpio_set(&bank->gpio_chip,
> +                                         pin - bank->pin_base, arg);
> +                       rc = _rockchip_pmx_gpio_set_direction(&bank->gpio_chip,
> +                                         pin - bank->pin_base, false);

I think something here is not quite right.  I did more testing today
and noticed that I'm getting failures in some cases.  I think I've got
the offset wrong, but I'm digging.  Please hold off review of this
patch till the next version.
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