linux-kernel - Re: [PATCH/RFC v5 25/57] leds: pca963x: Remove work queue

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Date:	Tue, 11 Aug 2015 12:00:32 +0200
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	Linux LED Subsystem <linux-leds@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>, stsp@...rs.sourceforge.net,
	Andrew Lunn <andrew@...n.ch>,
	Peter Meerwald <p.meerwald@...-electronic.com>
Subject: Re: [PATCH/RFC v5 25/57] leds: pca963x: Remove work queue

Hello Jacek

Sorry for the late reply.

On Tue, Aug 11, 2015 at 11:37 AM, Jacek Anaszewski
<j.anaszewski@...sung.com> wrote:


>  struct pca963x_led {
>         struct pca963x *chip;
> -       struct work_struct work;
>         enum led_brightness brightness;
>         struct led_classdev led_cdev;
>         int led_num; /* 0 .. 15 potentially */
> -       enum pca963x_cmd cmd;
>         char name[32];
>         u8 gdc;
>         u8 gfrq;
>  };

Maybe you want to remove also brightness, gdc and gfrq and pass them
as arguments to the functions.

> -static void pca963x_blink_work(struct pca963x_led *pca963x)
> +static void pca963x_blink(struct pca963x_led *pca963x)

something like: blink(pca963x, gdc, gfrq)


Big disclaimer: i havent tested it on real hardware. Maybe next week I
can get hold of a board with a pca chip.


BTW: great thing that the work queue is implemented in the core :)


Cheers!

-- 
Ricardo Ribalda
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