linux-kernel - Re: [PATCH v3 1/9] pinctrl: sunxi: v3s: introduce support for V3

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Date:   Mon, 24 Jun 2019 14:40:19 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v3 1/9] pinctrl: sunxi: v3s: introduce support for V3

On Sun, Jun 23, 2019 at 12:37:53PM +0800, Icenowy Zheng wrote:
> Introduce the GPIO pins that is only available on V3 (not on V3s) to the
> V3s pinctrl driver.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
> Changes in v3:
> - Fixed code alignment.
> - Fixed LVDS function number.
>
> Changes in v2:
> - Dropped the driver rename patch and apply the changes directly on V3s
>   driver.
>
>  drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c | 473 +++++++++++++++++-----
>  drivers/pinctrl/sunxi/pinctrl-sunxi.h     |   2 +
>  2 files changed, 366 insertions(+), 109 deletions(-)
>
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c
> index 6704ce8e5e3d..721c997d472b 100644
> --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c
> @@ -1,5 +1,5 @@
>  /*
> - * Allwinner V3s SoCs pinctrl driver.
> + * Allwinner V3/V3s SoCs pinctrl driver.
>   *
>   * Copyright (C) 2016 Icenowy Zheng <icenowy@...c.xyz>
>   *
> @@ -28,235 +28,433 @@ static const struct sunxi_desc_pin sun8i_v3s_pins[] = {
>  	SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 0),
>  		  SUNXI_FUNCTION(0x0, "gpio_in"),
>  		  SUNXI_FUNCTION(0x1, "gpio_out"),
> -		  SUNXI_FUNCTION(0x2, "uart2"),		/* TX */
> -		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),	/* PB_EINT0 */
> +		  SUNXI_FUNCTION(0x2, "uart2"),			/* TX */
> +		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),		/* PB_EINT0 */

I'm not sure why all that churn is needed.

Looks good otherwise.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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