Subject: [PATCH v4] ARM:dts:omap4-panda: Update the LED support for the panda DTS

From: [email-masked] (Dan Murphy)
Date: Thu, 16 May 2013 15:22:51 -0500

On 05/16/2013 01:18 PM, Nishanth Menon wrote:
> On Thu, May 16, 2013 at 10:35 AM, Dan Murphy <[email-masked]> wrote:
>> I am not sure you really want to do this.
>> If I make the pinctrl part of the led structure then the only way the gpio_wk7 on a1-a3 to be configured is when
>> the CONFIG_LEDS_GPIO flag is set.
>>
>> Do you really want that dependency?  You did say it was a key fix
>> At least this way the pins are configured regardless of that flag.
> That is better as the system will be left in the pinmux configuration
> handed over from bootloader.
So you want to depend on a boot loader to configure pins correctly for the kernel?
Hmmm seems risky to me.
> The point being, muxing up pins even when not needed(config switched
> off) has no real benefit - in this case albeit, the default mux was
> causing a bug.
> pinctrl IMHO should be considered as any other resource, if it is not
> mandatory for boot, and needed only for a device functionality when
> probed, it should done there only.
>
> just my 2 cents.
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-- 
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Dan Murphy