linux-kernel - Re: [PATCH 3/4] pinctrl: renesas: rzg2l: Move RZG2L_SINGLE

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Date: Mon, 24 Jun 2024 07:57:23 +0300
From: claudiu beznea <claudiu.beznea@...on.dev>
To: Prabhakar <prabhakar.csengg@...il.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Linus Walleij <linus.walleij@...aro.org>
Cc: linux-renesas-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
 linux-kernel@...r.kernel.org, Biju Das <biju.das.jz@...renesas.com>,
 Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
 Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 3/4] pinctrl: renesas: rzg2l: Move RZG2L_SINGLE_PIN
 definition to top of the file



On 18.06.2024 20:48, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Define `RZG2L_SINGLE_PIN` at the top of the file to clarify its use for
> dedicated pins for improved readability.
> 
> While at it update the comment for `RZG2L_SINGLE_PIN_PACK` macro and place
> it just above the macro for clarity.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Tested-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>


> ---
>  drivers/pinctrl/renesas/pinctrl-rzg2l.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> index b79dd1ea2616..37a99d33400d 100644
> --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> @@ -64,6 +64,8 @@
>  #define PIN_CFG_ELC			BIT(20)
>  #define PIN_CFG_IOLH_RZV2H		BIT(21)
>  
> +#define RZG2L_SINGLE_PIN		BIT_ULL(63)	/* Dedicated pin */
> +
>  #define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \
>  					(PIN_CFG_IOLH_##group | \
>  					 PIN_CFG_PUPD | \
> @@ -105,15 +107,13 @@
>   */
>  #define RZG2L_GPIO_PORT_PACK(n, a, f)	RZG2L_GPIO_PORT_SPARSE_PACK((1ULL << (n)) - 1, (a), (f))
>  
> -/*
> - * BIT(63) indicates dedicated pin, p is the register index while
> - * referencing to SR/IEN/IOLH/FILxx registers, b is the register bits
> - * (b * 8) and f is the pin configuration capabilities supported.
> - */
> -#define RZG2L_SINGLE_PIN		BIT_ULL(63)
>  #define RZG2L_SINGLE_PIN_INDEX_MASK	GENMASK_ULL(62, 56)
>  #define RZG2L_SINGLE_PIN_BITS_MASK	GENMASK_ULL(55, 53)
> -
> +/*
> + * p is the register index while referencing to SR/IEN/IOLH/FILxx
> + * registers, b is the register bits (b * 8) and f is the pin
> + * configuration capabilities supported.
> + */
>  #define RZG2L_SINGLE_PIN_PACK(p, b, f)	(RZG2L_SINGLE_PIN | \
>  					 FIELD_PREP_CONST(RZG2L_SINGLE_PIN_INDEX_MASK, (p)) | \
>  					 FIELD_PREP_CONST(RZG2L_SINGLE_PIN_BITS_MASK, (b)) | \