[U-Boot] [PATCH v2] misc: add gpio based status led driver

Wolfgang Denk wd at denx.de
Sun Apr 25 00:32:45 CEST 2010

Dear Thomas Chou,

In message <4BD36BAE.2060903 at wytron.com.tw> you wrote:
> >> This patch adds a status led driver followed the GPIO access
> >> conventions of Linux. The led mask is used to specify the gpio pin.
> >>
> >> Signed-off-by: Thomas Chou<thomas at wytron.com.tw>
> >> ---
> >> Moved to drivers/misc.
> >>      
> > Which boards are the users of this code?

> It is used in the example designs of Altera NEEK and DE2 boards, which I 
> provided for nios2 linux/uclinux on nios wiki. They are used by many 
> nios2 users.
> It may be used by other boards which support the GPIO access conventions 
> of Linux. Though the GPIO access is not unified in u-boot currently, I 
> think it should be the right direction to follow the conventions of Linux.

I mean, which board in U-Boot uses this code? I didn't find any.

The convention is not to add unused code. If there are no real users
for this, the patch should be delayed until a board gets added that
actually uses it.

Best regards,

Wolfgang Denk

DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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