linux-kernel - Re: [PATCH] leds: provide helper to register "leds-gpio" devices

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Message-ID: <4D9B4363.8010606@freescale.com>
Date:	Tue, 5 Apr 2011 13:29:23 -0300
From:	Fabio Estevam <fabio.estevam@...escale.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
CC:	Richard Purdie <rpurdie@...ys.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	H Hartley Sweeten <hartleys@...ionengravers.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>, <kernel@...gutronix.de>
Subject: Re: [PATCH] leds: provide helper to register "leds-gpio" devices

On 4/5/2011 1:13 PM, Fabio Estevam wrote:
> Hi Uwe,
> 
> On 4/5/2011 5:37 AM, Uwe Kleine-König wrote:
>> This function makes a deep copy of the platform data to allow it to live
>> in init memory.
>> The definition cannot go into leds-gpio.c because it needs to be builtin
>> to be usable by platforms.
>>
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> 
> I tested your patch on a MX53EVK board, but I could only build it after unselecting the mmc driver.
> 
> This is the error I got when mmc was selected:
> 
>   CC      drivers/mmc/card/mmc_test.o
>   LD      drivers/mmc/card/built-in.o
>   CC      drivers/mmc/core/sdio_io.o
> In file included from include/linux/mmc/host.h:13,
>                  from drivers/mmc/core/sdio_io.c:12:
> include/linux/leds.h:220: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'gpio_led_register_device'
> make[3]: *** [drivers/mmc/core/sdio_io.o] Error 1
> make[2]: *** [drivers/mmc/core] Error 2
> make[1]: *** [drivers/mmc] Error 2
> make: *** [drivers] Error 2

If I declare it as "platform_device *gpio_led_register_device" then it builds fine.

Regards,

Fabio Estevam


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