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Date: Fri, 14 Jun 2024 16:05:34 +0200
From: J. Neuschäfer <j.neuschaefer@....net>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Jacky Huang <ychuang3@...oton.com>,
Linus Walleij <linus.walleij@...aro.org>,
Tomer Maimon <tmaimon77@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
Shan-Chun Hung <schung@...oton.com>,
Avi Fishman <avifishman70@...il.com>,
Tali Perry <tali.perry1@...il.com>,
Patrick Venture <venture@...gle.com>, Nancy Yuen <yuenn@...gle.com>,
Benjamin Fair <benjaminfair@...gle.com>,
Jonathan Neuschäfer <j.neuschaefer@....net>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 2/4] pinctrl: nuvoton: Make use of struct pinfunction
and PINCTRL_PINFUNCTION()
Hi,
On Tue, Jun 11, 2024 at 12:30:23PM +0300, Andy Shevchenko wrote:
> From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
>
> Since pin control provides a generic data type and a macro for
> the pin function definition, use them in the driver.
>
> Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
> ---
Thanks for your patch, it's always good to see code simplifications like this!
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> drivers/pinctrl/nuvoton/pinctrl-ma35.c | 19 ++++++++-----------
> drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 11 +++--------
> drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c | 11 +++--------
> drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 11 +++--------
> 4 files changed, 17 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-ma35.c b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
> index fb933cddde91..62e877b76a25 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-ma35.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
> @@ -98,12 +98,6 @@ static const u32 ds_3300mv_tbl[] = {
> 17100, 25600, 34100, 42800, 48000, 56000, 77000, 82000,
> };
>
> -struct ma35_pin_func {
> - const char *name;
> - const char **groups;
> - u32 ngroups;
> -};
> -
> struct ma35_pin_setting {
> u32 offset;
> u32 shift;
> @@ -149,7 +143,7 @@ struct ma35_pinctrl {
> struct regmap *regmap;
> struct ma35_pin_group *groups;
> unsigned int ngroups;
> - struct ma35_pin_func *functions;
> + struct pinfunction *functions;
> unsigned int nfunctions;
> };
>
> @@ -1041,9 +1035,10 @@ static int ma35_pinctrl_parse_functions(struct device_node *np, struct ma35_pinc
> u32 index)
> {
> struct device_node *child;
> - struct ma35_pin_func *func;
> + struct pinfunction *func;
> struct ma35_pin_group *grp;
> static u32 grp_index;
> + const char **groups;
> u32 ret, i = 0;
>
> dev_dbg(npctl->dev, "parse function(%d): %s\n", index, np->name);
> @@ -1055,12 +1050,12 @@ static int ma35_pinctrl_parse_functions(struct device_node *np, struct ma35_pinc
> if (func->ngroups <= 0)
> return 0;
>
> - func->groups = devm_kcalloc(npctl->dev, func->ngroups, sizeof(char *), GFP_KERNEL);
> - if (!func->groups)
> + groups = devm_kcalloc(npctl->dev, func->ngroups, sizeof(*groups), GFP_KERNEL);
> + if (!groups)
> return -ENOMEM;
>
> for_each_child_of_node(np, child) {
> - func->groups[i] = child->name;
> + groups[i] = child->name;
> grp = &npctl->groups[grp_index++];
> ret = ma35_pinctrl_parse_groups(child, grp, npctl, i++);
> if (ret) {
> @@ -1068,6 +1063,8 @@ static int ma35_pinctrl_parse_functions(struct device_node *np, struct ma35_pinc
> return ret;
> }
> }
> +
> + func->groups = groups;
> return 0;
> }
>
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> index 2601aacfb976..c6b11a198c76 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> @@ -639,13 +639,6 @@ static struct pingroup npcm7xx_groups[] = {
>
> #define NPCM7XX_SFUNC(a) NPCM7XX_FUNC(a, #a)
> #define NPCM7XX_FUNC(a, b...) static const char *a ## _grp[] = { b }
> -#define NPCM7XX_MKFUNC(nm) { .name = #nm, .ngroups = ARRAY_SIZE(nm ## _grp), \
> - .groups = nm ## _grp }
> -struct npcm7xx_func {
> - const char *name;
> - const unsigned int ngroups;
> - const char *const *groups;
> -};
>
> NPCM7XX_SFUNC(smb0);
> NPCM7XX_SFUNC(smb0b);
> @@ -764,7 +757,8 @@ NPCM7XX_SFUNC(lkgpo2);
> NPCM7XX_SFUNC(nprd_smi);
>
> /* Function names */
> -static struct npcm7xx_func npcm7xx_funcs[] = {
> +static struct pinfunction npcm7xx_funcs[] = {
> +#define NPCM7XX_MKFUNC(nm) PINCTRL_PINFUNCTION(#nm, nm ## _grp, ARRAY_SIZE(nm ## _grp))
> NPCM7XX_MKFUNC(smb0),
> NPCM7XX_MKFUNC(smb0b),
> NPCM7XX_MKFUNC(smb0c),
> @@ -880,6 +874,7 @@ static struct npcm7xx_func npcm7xx_funcs[] = {
> NPCM7XX_MKFUNC(lkgpo1),
> NPCM7XX_MKFUNC(lkgpo2),
> NPCM7XX_MKFUNC(nprd_smi),
> +#undef NPCM7XX_MKFUNC
> };
>
> #define NPCM7XX_PINCFG(a, b, c, d, e, f, g, h, i, j, k) \
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> index 9834a13cf5c9..7c37d2cda9f1 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
> @@ -829,13 +829,6 @@ static struct pingroup npcm8xx_pingroups[] = {
>
> #define NPCM8XX_SFUNC(a) NPCM8XX_FUNC(a, #a)
> #define NPCM8XX_FUNC(a, b...) static const char *a ## _grp[] = { b }
> -#define NPCM8XX_MKFUNC(nm) { .name = #nm, .ngroups = ARRAY_SIZE(nm ## _grp), \
> - .groups = nm ## _grp }
> -struct npcm8xx_func {
> - const char *name;
> - const unsigned int ngroups;
> - const char *const *groups;
> -};
>
> NPCM8XX_SFUNC(gpi36);
> NPCM8XX_SFUNC(gpi35);
> @@ -1060,7 +1053,8 @@ NPCM8XX_SFUNC(hgpio6);
> NPCM8XX_SFUNC(hgpio7);
>
> /* Function names */
> -static struct npcm8xx_func npcm8xx_funcs[] = {
> +static struct pinfunction npcm8xx_funcs[] = {
> +#define NPCM8XX_MKFUNC(nm) PINCTRL_PINFUNCTION(#nm, nm ## _grp, ARRAY_SIZE(nm ## _grp))
> NPCM8XX_MKFUNC(gpi36),
> NPCM8XX_MKFUNC(gpi35),
> NPCM8XX_MKFUNC(tp_jtag3),
> @@ -1282,6 +1276,7 @@ static struct npcm8xx_func npcm8xx_funcs[] = {
> NPCM8XX_MKFUNC(hgpio5),
> NPCM8XX_MKFUNC(hgpio6),
> NPCM8XX_MKFUNC(hgpio7),
> +#undef NPCM8XX_MKFUNC
> };
>
> #define NPCM8XX_PINCFG(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q) \
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> index cdad4ef11a2f..5cf6d555c5a5 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
> @@ -482,13 +482,6 @@ static const struct pingroup wpcm450_groups[] = {
>
> #define WPCM450_SFUNC(a) WPCM450_FUNC(a, #a)
> #define WPCM450_FUNC(a, b...) static const char *a ## _grp[] = { b }
> -#define WPCM450_MKFUNC(nm) { .name = #nm, .ngroups = ARRAY_SIZE(nm ## _grp), \
> - .groups = nm ## _grp }
> -struct wpcm450_func {
> - const char *name;
> - const unsigned int ngroups;
> - const char *const *groups;
> -};
>
> WPCM450_SFUNC(smb3);
> WPCM450_SFUNC(smb4);
> @@ -555,7 +548,8 @@ WPCM450_FUNC(gpio, WPCM450_GRPS);
> #undef WPCM450_GRP
>
> /* Function names */
> -static struct wpcm450_func wpcm450_funcs[] = {
> +static struct pinfunction wpcm450_funcs[] = {
> +#define WPCM450_MKFUNC(nm) PINCTRL_PINFUNCTION(#nm, nm ## _grp, ARRAY_SIZE(nm ## _grp))
> WPCM450_MKFUNC(smb3),
> WPCM450_MKFUNC(smb4),
> WPCM450_MKFUNC(smb5),
> @@ -616,6 +610,7 @@ static struct wpcm450_func wpcm450_funcs[] = {
> WPCM450_MKFUNC(hg6),
> WPCM450_MKFUNC(hg7),
> WPCM450_MKFUNC(gpio),
> +#undef WPCM450_MKFUNC
> };
>
> #define WPCM450_PINCFG(a, b, c, d, e, f, g) \
> --
> 2.45.2
>
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