linux-kernel - RE: [PATCH] [wip] ARM: imx: register "leds-gpio" device using new helper function

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Date:	Tue, 10 May 2011 18:02:20 -0500
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	Fabio Estevam <fabio.estevam@...escale.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Richard Purdie <rpurdie@...ys.net>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] [wip] ARM: imx: register "leds-gpio" device using new
 helper function

On Tuesday, May 10, 2011 1:51 AM, Uwe Kleine-König wrote:
>
> This converts eukrea_mbimx27-baseboard to the new helper function.
>
> bloat-o-meter reports for this change:
>
>	add/remove: 1/1 grow/shrink: 0/1 up/down: 128/-220 (-92)
>	function                                     old     new   delta
>	gpio_led_register_device                       -     128    +128
>	platform_devices                              28      24      -4
>	leds_gpio                                    216       -    -216
>
> Additionally gpio_led_info (12 bytes) and gpio_leds (32 Bytes) are
> initdata now as is gpio_led_register_device.

FWIW, similar results with ep93xx:

add/remove: 1/1 grow/shrink: 2/0 up/down: 137/-240 (-103)
function                                     old     new   delta
gpio_led_register_device                       -     128    +128
kernel_config_data                         10474   10479      +5
ep93xx_init_devices                          116     120      +4
ep93xx_leds                                  240       -    -240

Regards,
Hartley