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From: Andy Shevchenko <andy@kernel.org>
To: "Marek Behún" <kabel@kernel.org>
Cc: "Lee Jones" <lee@kernel.org>, "Pavel Machek" <pavel@ucw.cz>,
	linux-leds@vger.kernel.org, "Arnd Bergmann" <arnd@arndb.de>,
	soc@kernel.org, "Gregory CLEMENT" <gregory.clement@bootlin.com>,
	arm@kernel.org, "Hans de Goede" <hdegoede@redhat.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH leds 1/8] turris-omnia-mcu-interface.h: Move command execution function to global header
Date: Mon, 2 Sep 2024 16:23:04 +0300	[thread overview]
Message-ID: <ZtW8OI6ivN_1CRUE@smile.fi.intel.com> (raw)
In-Reply-To: <t3fazdw4aasl4oejkfowbavgxmwvvy6du2wvcku4wmstqn7cth@pvcgwzyzwsu5>

On Mon, Sep 02, 2024 at 02:59:45PM +0200, Marek Behún wrote:
> On Mon, Sep 02, 2024 at 03:55:30PM +0300, Andy Shevchenko wrote:
> > On Mon, Sep 02, 2024 at 02:40:57PM +0200, Marek Behún wrote:

...

> > >  #include <linux/bitfield.h>
> > > +#include <linux/bitops.h>
> > 
> > >  #include <linux/bits.h>
> > 
> > You may drop this one now, as guaranteed by bitops.h.
> 
> How do I know that including bit.sh won't be ever deleted from
> bitops.h?

How do I?

Somebody should start writing documentation (and tooling?) for all this
header dependency hell we have in the Linux kernel project.

> Is there some database which symbols are supposed to be provided by
> which header, and not just randomly included from another header?

Bottom line, more explicit inclusions are fine, but here is a proverb:
"make a fool pray to God, he will break his forehead."

Means that either radical approach (none or all) is not good.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2024-09-02 13:23 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-02 12:40 [PATCH leds 0/8] Turris Omnia LED driver changes Marek Behún
2024-09-02 12:40 ` [PATCH leds 1/8] turris-omnia-mcu-interface.h: Move command execution function to global header Marek Behún
2024-09-02 12:55   ` Andy Shevchenko
2024-09-02 12:59     ` Marek Behún
2024-09-02 13:23       ` Andy Shevchenko [this message]
2024-09-02 12:40 ` [PATCH leds 2/8] leds: turris-omnia: Use command execution functions from the MCU driver Marek Behún
2024-09-02 12:40 ` [PATCH leds 3/8] turris-omnia-mcu-interface.h: Add LED commands related definitions to global header Marek Behún
2024-09-02 12:41 ` [PATCH leds 4/8] leds: turris-omnia: Use global header for MCU command definitions Marek Behún
2024-09-02 12:41 ` [PATCH leds 5/8] leds: turris-omnia: Notify sysfs on MCU global LEDs brightness change Marek Behún
2024-09-02 13:17   ` Andy Shevchenko
2024-09-02 14:36     ` Marek Behún
2024-09-02 12:41 ` [PATCH leds 6/8] platform: cznic: turris-omnia-mcu: Inform about missing LED panel brightness change interrupt feature Marek Behún
2024-09-02 12:41 ` [PATCH leds 7/8] leds: turris-omnia: Inform about missing LED gamma correction feature in the MCU driver Marek Behún
2024-09-02 12:41 ` [PATCH leds 8/8] ARM: dts: turris-omnia: Add global LED brightness change interrupt Marek Behún

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