linux-kernel - Re: [RESEND PATCH] ARM: pinctrl: sunxi-pinctrl: fix pin funtion can not be match correctly.

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Date:   Wed, 10 Jan 2018 14:45:06 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     hao_zhang <hao5781286@...il.com>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-gpio@...r.kernel.org
Subject: Re: [RESEND PATCH] ARM: pinctrl: sunxi-pinctrl: fix pin funtion can
 not be match correctly.

On Tue, Jan 9, 2018 at 6:59 AM, hao_zhang <hao5781286@...il.com> wrote:

> Pin function can not be match correctly when SUNXI_PIN describe with
> mutiple variant and same function.
>
> such as:
> on pinctrl-sun4i-a10.c
>
> SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 2),
>                 SUNXI_FUNCTION(0x0, "gpio_in"),
>                 SUNXI_FUNCTION(0x1, "gpio_out"),
>                 SUNXI_FUNCTION_VARIANT(0x2, "pwm",    /* PWM0 */
>                         PINCTRL_SUN4I_A10 |
>                         PINCTRL_SUN7I_A20),
>                 SUNXI_FUNCTION_VARIANT(0x3, "pwm",    /* PWM0 */
>                         PINCTRL_SUN8I_R40)),
>
> it would always match to the first variant function
> (PINCTRL_SUN4I_A10, PINCTRL_SUN7I_A20)
>
> so we should add variant compare on it.
>
> Regards
> Hao
>
> Signed-off-by: hao_zhang <hao5781286@...il.com>

Patch applied with Maxime's ACK.

Yours,
Linus Walleij