linux-kernel - RE: [PATCH V2 1/2] gpiolib: of: Add polarity quirk for s5m8767

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Message-ID:
 <PAXPR04MB84596784D16347C84EACC6A688A12@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Thu, 27 Mar 2025 10:25:56 +0000
From: Peng Fan <peng.fan@....com>
To: Andy Shevchenko <andriy.shevchenko@...el.com>, "Peng Fan (OSS)"
	<peng.fan@....nxp.com>
CC: "linus.walleij@...aro.org" <linus.walleij@...aro.org>, "brgl@...ev.pl"
	<brgl@...ev.pl>, "krzk@...nel.org" <krzk@...nel.org>, "lgirdwood@...il.com"
	<lgirdwood@...il.com>, "broonie@...nel.org" <broonie@...nel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>
Subject: RE: [PATCH V2 1/2] gpiolib: of: Add polarity quirk for s5m8767

> Subject: Re: [PATCH V2 1/2] gpiolib: of: Add polarity quirk for s5m8767
> 
> On Thu, Mar 27, 2025 at 08:49:44AM +0800, Peng Fan (OSS) wrote:
> >
> > This is prepare patch for switching s5m8767 regulator driver to use
> > GPIO descriptor. DTS for exynos5250 spring incorrectly specifies
> > "active low" polarity for the DVS and DS line. But per datasheet, they
> > are actually active high. So add polarity quirk for it.
> 
> So, to make this clear: this is simply DTS mistake as driver basically
> ignores the polarity or other flags in it, correct?

Correct.

Regards,
Peng.
> 
> --
> With Best Regards,
> Andy Shevchenko
>