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From: Linus Walleij <linus.walleij@linaro.org>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	linux-i2c@vger.kernel.org,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Phil Reid <preid@electromag.com.au>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Jarkko Nikula <jarkko.nikula@linux.intel.com>,
	Claudio Foellmi <claudio.foellmi@ergon.ch>,
	Andrzej Hajda <a.hajda@samsung.com>
Subject: Re: [PATCH 3/6] i2c: add 'set_sda' to bus_recovery_info
Date: Tue, 5 Dec 2017 16:31:14 +0100	[thread overview]
Message-ID: <CACRpkdYuHit1w1_d4h++vOuSWosf+iBdgimtCUbmic3mkbm1Wg@mail.gmail.com> (raw)
In-Reply-To: <20171205133848.nzrhysiz2twvlamx@ninjato>

On Tue, Dec 5, 2017 at 2:38 PM, Wolfram Sang <wsa@the-dreams.de> wrote:

>> Just compare it to zero. if (!gpiod_get_direction())
>
> So, this?
>
>         if (!gpiod_get_direction())
>                 bri->set_sda = set_sda_gpio_value;
>
> That looks like "if i couldn't the direction, then...", or?
>
> Comparing to plain numbers feels like magic values?

Hehe :)

> Maybe this should be named 'gpiod_is_direction_input()'?

Two statice inlines in <linux/gpio/consumer.h>
named

int gpiod_is output()
int gpiod_is_input()

should conform to Rusty Russell's API hierarchy.

Interested in fixing it, or should I?
I can almost ACK it before you write the patch.

Yours,
Linus Walleij

  reply	other threads:[~2017-12-05 15:31 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20171204123700epcas2p4273f3313a4c52e7685bbf04d776cbcef@epcas2p4.samsung.com>
2017-12-04 12:36 ` [PATCH 0/6] i2c: send STOP after recovery; use it for i2c-rcar Wolfram Sang
2017-12-04 12:36   ` [PATCH 1/6] i2c: make kerneldoc about bus recovery more precise Wolfram Sang
2017-12-04 12:36   ` [PATCH 2/6] i2c: add identifier in declarations for i2c_bus_recovery Wolfram Sang
2017-12-13 15:23     ` Andy Shevchenko
2018-01-09 11:17       ` Wolfram Sang
2017-12-04 12:36   ` [PATCH 3/6] i2c: add 'set_sda' to bus_recovery_info Wolfram Sang
2017-12-05  1:12     ` Phil Reid
2017-12-05  8:39     ` Linus Walleij
2017-12-05  9:57       ` Phil Reid
2017-12-05 10:32         ` Wolfram Sang
2017-12-05 10:34         ` Linus Walleij
2017-12-05 13:38       ` Wolfram Sang
2017-12-05 15:31         ` Linus Walleij [this message]
2017-12-05 16:43           ` Wolfram Sang
2017-12-07 11:25             ` Wolfram Sang
2017-12-10  0:24               ` Linus Walleij
2017-12-13 15:30           ` Andy Shevchenko
2018-01-09 11:23       ` Wolfram Sang
2017-12-13 15:27     ` Andy Shevchenko
2017-12-04 12:36   ` [PATCH 4/6] i2c: ensure SDA is released in recovery if SDA is controllable Wolfram Sang
2017-12-04 12:36   ` [PATCH 5/6] i2c: send STOP after successful bus recovery Wolfram Sang
2017-12-04 12:36   ` [PATCH 6/6] i2c: rcar: implement " Wolfram Sang
2017-12-05  1:13   ` [PATCH 0/6] i2c: send STOP after recovery; use it for i2c-rcar Phil Reid
2017-12-05  9:21   ` Andrzej Hajda
2018-01-09 11:15     ` Wolfram Sang

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