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From: "Esteban Blanc" <eblanc@baylibre.com>
To: "Andy Shevchenko" <andy.shevchenko@gmail.com>
Cc: <linus.walleij@linaro.org>, <lgirdwood@gmail.com>,
	<broonie@kernel.org>, <a.zummo@towertech.it>,
	<alexandre.belloni@bootlin.com>, <linux-kernel@vger.kernel.org>,
	<linux-gpio@vger.kernel.org>, <linux-rtc@vger.kernel.org>,
	<jpanis@baylibre.com>, <jneanne@baylibre.com>,
	<aseketeli@baylibre.com>, <sterzik@ti.com>, <u-kumar1@ti.com>
Subject: Re: [PATCH v4 2/3] pinctrl: tps6594: Add driver for TPS6594 pinctrl and GPIOs
Date: Wed, 17 May 2023 11:58:57 +0200	[thread overview]
Message-ID: <CSOGQIRNP61G.1Q2A4ZXB43YYQ@burritosblues> (raw)
In-Reply-To: <CAHp75VdNgBv5yVTXzDpY3rrF31p=p99cfXdEs0q7m8VmLLJwbg@mail.gmail.com>

On Tue May 16, 2023 at 6:48 PM CEST, Andy Shevchenko wrote:
> On Tue, May 16, 2023 at 4:05 PM Esteban Blanc <eblanc@baylibre.com> wrote:
> > On Fri May 12, 2023 at 7:07 PM CEST,  wrote:
> > > Fri, May 12, 2023 at 04:17:54PM +0200, Esteban Blanc kirjoitti:

...

> > > > -#define TPS6594_REG_GPIOX_CONF(gpio_inst)          (0x31 + (gpio_inst))
> > > > +#define TPS6594_REG_GPIO1_CONF                             0x31
> > > > +#define TPS6594_REG_GPIOX_CONF(gpio_inst)  (TPS6594_REG_GPIO1_CONF + (gpio_inst))
> > >
> > > Why? The original code with parameter 0 will issue the same.
> >
> > I felt that replacing 0x31 with a constant would make the computation
> > in TPS6594_REG_GPIOX_CONFIG more understandable. What do you think?
>
> The question is why that register is so special that you need to have
> it as a constant explicitly?

It is not special, it's just the first one of the serie of config
registers. I felt like just having 0x31 without context was a bit weird

Best regards,

-- 
Esteban Blanc
BayLibre

  reply	other threads:[~2023-05-17  9:59 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-12 14:17 [PATCH v4 0/3] TI TPS6594 PMIC support (RTC, pinctrl, regulators) Esteban Blanc
2023-05-12 14:17 ` [PATCH v4 1/3] rtc: tps6594: Add driver for TPS6594 RTC Esteban Blanc
2023-05-12 17:22   ` andy.shevchenko
2023-05-17 16:47     ` Esteban Blanc
2023-05-17 16:52       ` Andy Shevchenko
2023-05-22 11:49         ` Esteban Blanc
2023-05-12 14:17 ` [PATCH v4 2/3] pinctrl: tps6594: Add driver for TPS6594 pinctrl and GPIOs Esteban Blanc
2023-05-12 17:07   ` andy.shevchenko
2023-05-16 13:05     ` Esteban Blanc
2023-05-16 16:48       ` Andy Shevchenko
2023-05-17  9:58         ` Esteban Blanc [this message]
2023-05-17 13:51           ` Andy Shevchenko
2023-05-17 14:43             ` Esteban Blanc
2023-05-17 15:04               ` Andy Shevchenko
2023-05-22  8:45                 ` Esteban Blanc
2023-05-23  9:26                 ` Esteban Blanc
2023-05-23 11:03                   ` Andy Shevchenko
2023-05-23 11:32                     ` Esteban Blanc
2023-05-12 14:17 ` [PATCH v4 3/3] regulator: tps6594-regulator: Add driver for TI TPS6594 regulators Esteban Blanc
2023-05-12 17:34   ` andy.shevchenko

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