[PATCH v2 1/2] ARM: mxc: Introduce imx_add_gpio_leds

H Hartley Sweeten hartleys at visionengravers.com
Mon Apr 4 14:06:52 EDT 2011


On Monday, April 04, 2011 10:53 AM, Russell King wrote:
> On Mon, Apr 04, 2011 at 07:42:44PM +0200, Uwe Kleine-König wrote:
>> The mechanims could be made a bit more aggressive by something like
>> that:
>> 
>> 	struct gpio_led_platform_data *_pdata = *pdata;
>> 	_pdata->leds = kmemdup(pdata->leds, pdata->num_leds * sizeof(*pdata->leds), GFP_KERNEL)
>> 	if (!_pdata->leds)
>> 		return ...
>> 
>> 	ret = imx_add_platform_device("leds-gpio", -1, NULL, 0, _pdata, sizeof(_pdata));
>> 	if (IS_ERR(ret))
>> 		kfree(_pdata->leds);
>> 
>> 	return PTR_RET(ret);
>> 
>> This would allow to have the struct gpio_led array in init memory, too.
>
> If you go to the effort of making it _that_ generic, then it shouldn't
> even be in plat-mxc, but somewhere *everyone* can benefit from it.  See
> Linus' complaints in the OMAP pull request thread about the amount of
> largely similar arch/arm code.

If it's made generic, mach-ep93xx/core.c could use it to register it's two
platform leds.  Please keep me in the loop if this is done.

Regards,
Hartley


More information about the linux-arm-kernel mailing list