Re: [PATCH] regulator: core: Keep boot_on regulators powered during init

From: Jassi Brar
Date: Thu Apr 26 2012 - 05:10:46 EST


On 26 April 2012 14:05, Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Apr 25, 2012 at 09:04:01PM +0530, Jassi Brar wrote:
>
>>  Shouldn't the bootloader be responsible for ensuring MMC is
>> put down after using it and before passing control to the kernel.
>
> You might want to try to ensure that bootloaders always do the right
> thing but I prefer to work on more achievable goals like world peace. :/
>
>From what Ulf described so far, I am not sure if even gagging the regulator
api could be seen as a foolproof solution to the problem - he still doesn't
account for the necessary 'power-down sequence of commands' without
which the eMMC might fail attempts by the mmc stack to reset and initialize.

Appeasements and treaties could help achieve peace, I am just not sure
if former is a good option this time :)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/