Re: [PATCH/RFC v9 04/19] mfd: max77693: adjust max77693_led_platform_data

From: Lee Jones
Date: Tue Dec 09 2014 - 03:51:00 EST


On Wed, 03 Dec 2014, Jacek Anaszewski wrote:

> Add "label" array for Device Tree strings with the name of a LED device
> and make flash_timeout a two element array, for caching the sub-led
> related flash timeout. Added is also an array for caching pointers to the
> sub-nodes representing sub-leds.
>
> Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Cc: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> include/linux/mfd/max77693.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h
> index f0b6585..c80ee99 100644
> --- a/include/linux/mfd/max77693.h
> +++ b/include/linux/mfd/max77693.h
> @@ -88,16 +88,18 @@ enum max77693_led_boost_mode {
> };
>
> struct max77693_led_platform_data {
> + const char *label[2];
> u32 fleds[2];
> u32 iout_torch[2];
> u32 iout_flash[2];
> u32 trigger[2];
> u32 trigger_type[2];
> + u32 flash_timeout[2];
> u32 num_leds;
> u32 boost_mode;
> - u32 flash_timeout;
> u32 boost_vout;
> u32 low_vsys;
> + struct device_node *sub_nodes[2];

I haven't seen anyone do this before. Why can't you use the provided
OF functions to traverse through your tree?

> };
>
> /* MAX77693 */

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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