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From: Chester Lin <clin@suse.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "Linus Walleij" <linus.walleij@linaro.org>,
	"NXP S32 Linux Team" <s32@nxp.com>,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Ghennadi Procopciuc" <Ghennadi.Procopciuc@oss.nxp.com>,
	"Andrei Stefanescu" <andrei.stefanescu@nxp.com>,
	"Radu Pirea" <radu-nicolae.pirea@nxp.com>,
	"Andreas Färber" <afaerber@suse.de>,
	"Matthias Brugger" <mbrugger@suse.com>
Subject: Re: [PATCH v2 3/4] pinctrl: s32cc: refactor pin config parsing
Date: Tue, 21 Mar 2023 13:01:15 +0800	[thread overview]
Message-ID: <ZBk6G61RUbFPIV3G@linux-8mug> (raw)
In-Reply-To: <CAHp75Ve325yfz1P4=vYndUOhV-VkqNCWVEObm1RURbKHgcLKrw@mail.gmail.com>

On Mon, Mar 20, 2023 at 07:06:53PM +0200, Andy Shevchenko wrote:
> On Mon, Mar 20, 2023 at 6:39 PM Chester Lin <clin@suse.com> wrote:
> >
> > Move common codes into smaller inline functions and remove some argument
> > handlings that are not actually used by either S32 MSCR register or generic
> > config params.
> 
> ...
> 
> >         case PIN_CONFIG_OUTPUT_ENABLE:
> > -               if (arg)
> > -                       *config |= S32_MSCR_OBE;
> > -               else
> > -                       *config &= ~S32_MSCR_OBE;
> > +               *config |= S32_MSCR_OBE;
> >                 *mask |= S32_MSCR_OBE;
> >                 break;
> >         case PIN_CONFIG_INPUT_ENABLE:
> > -               if (arg)
> > -                       *config |= S32_MSCR_IBE;
> > -               else
> > -                       *config &= ~S32_MSCR_IBE;
> > +               *config |= S32_MSCR_IBE;
> >                 *mask |= S32_MSCR_IBE;
> >                 break;
> 
> Isn't it a regression here?
> Otherwise needs an explicit explanation in the commit message on
> what's going on here and why it's not a regression.

Oops, it's wrong implementation. The argument checks of OUTPUT_EN and INPUT_EN
shouldn't be dropped. Thanks for the reminder and I will fix it.

Regards,
Chester

> 
> ...
> 
> >         case PIN_CONFIG_BIAS_DISABLE:
> > -               *config &= ~(S32_MSCR_PUS | S32_MSCR_PUE);
> > -               *mask |= S32_MSCR_PUS | S32_MSCR_PUE;
> > +               s32_pin_set_pull(param, mask, config);
> >                 break;
> 
> This now can be unified with PU and PD cases above.
> 
> -- 
> With Best Regards,
> Andy Shevchenko

WARNING: multiple messages have this Message-ID (diff)
From: Chester Lin <clin@suse.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "Linus Walleij" <linus.walleij@linaro.org>,
	"NXP S32 Linux Team" <s32@nxp.com>,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Ghennadi Procopciuc" <Ghennadi.Procopciuc@oss.nxp.com>,
	"Andrei Stefanescu" <andrei.stefanescu@nxp.com>,
	"Radu Pirea" <radu-nicolae.pirea@nxp.com>,
	"Andreas Färber" <afaerber@suse.de>,
	"Matthias Brugger" <mbrugger@suse.com>
Subject: Re: [PATCH v2 3/4] pinctrl: s32cc: refactor pin config parsing
Date: Tue, 21 Mar 2023 13:01:15 +0800	[thread overview]
Message-ID: <ZBk6G61RUbFPIV3G@linux-8mug> (raw)
In-Reply-To: <CAHp75Ve325yfz1P4=vYndUOhV-VkqNCWVEObm1RURbKHgcLKrw@mail.gmail.com>

On Mon, Mar 20, 2023 at 07:06:53PM +0200, Andy Shevchenko wrote:
> On Mon, Mar 20, 2023 at 6:39 PM Chester Lin <clin@suse.com> wrote:
> >
> > Move common codes into smaller inline functions and remove some argument
> > handlings that are not actually used by either S32 MSCR register or generic
> > config params.
> 
> ...
> 
> >         case PIN_CONFIG_OUTPUT_ENABLE:
> > -               if (arg)
> > -                       *config |= S32_MSCR_OBE;
> > -               else
> > -                       *config &= ~S32_MSCR_OBE;
> > +               *config |= S32_MSCR_OBE;
> >                 *mask |= S32_MSCR_OBE;
> >                 break;
> >         case PIN_CONFIG_INPUT_ENABLE:
> > -               if (arg)
> > -                       *config |= S32_MSCR_IBE;
> > -               else
> > -                       *config &= ~S32_MSCR_IBE;
> > +               *config |= S32_MSCR_IBE;
> >                 *mask |= S32_MSCR_IBE;
> >                 break;
> 
> Isn't it a regression here?
> Otherwise needs an explicit explanation in the commit message on
> what's going on here and why it's not a regression.

Oops, it's wrong implementation. The argument checks of OUTPUT_EN and INPUT_EN
shouldn't be dropped. Thanks for the reminder and I will fix it.

Regards,
Chester

> 
> ...
> 
> >         case PIN_CONFIG_BIAS_DISABLE:
> > -               *config &= ~(S32_MSCR_PUS | S32_MSCR_PUE);
> > -               *mask |= S32_MSCR_PUS | S32_MSCR_PUE;
> > +               s32_pin_set_pull(param, mask, config);
> >                 break;
> 
> This now can be unified with PU and PD cases above.
> 
> -- 
> With Best Regards,
> Andy Shevchenko

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-03-21  5:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-20 16:38 [PATCH v2 0/4] pinctrl: s32: driver improvements and generic struct use Chester Lin
2023-03-20 16:38 ` Chester Lin
2023-03-20 16:38 ` [PATCH v2 1/4] pinctrl: s32: use of_device_get_match_data() to get device data Chester Lin
2023-03-20 16:38   ` Chester Lin
2023-03-20 16:59   ` Andy Shevchenko
2023-03-20 16:59     ` Andy Shevchenko
2023-03-21  4:44     ` Chester Lin
2023-03-21  4:44       ` Chester Lin
2023-03-21  7:32       ` Andy Shevchenko
2023-03-21  7:32         ` Andy Shevchenko
2023-03-20 16:38 ` [PATCH v2 2/4] pinctrl: s32: refine error/return/config checks and simplify driver codes Chester Lin
2023-03-20 16:38   ` Chester Lin
2023-03-20 16:38 ` [PATCH v2 3/4] pinctrl: s32cc: refactor pin config parsing Chester Lin
2023-03-20 16:38   ` Chester Lin
2023-03-20 17:06   ` Andy Shevchenko
2023-03-20 17:06     ` Andy Shevchenko
2023-03-21  5:01     ` Chester Lin [this message]
2023-03-21  5:01       ` Chester Lin
2023-03-20 16:38 ` [PATCH v2 4/4] pinctrl: s32cc: embed generic struct pingroup and pinfunction Chester Lin
2023-03-20 16:38   ` Chester Lin
2023-03-20 17:10   ` Andy Shevchenko
2023-03-20 17:10     ` Andy Shevchenko
2023-03-21  5:09     ` Chester Lin
2023-03-21  5:09       ` Chester Lin
2023-03-21  7:39       ` Andy Shevchenko
2023-03-21  7:39         ` Andy Shevchenko

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