Re: [PATCH] PalmTX initial support

From: Russell King - ARM Linux
Date: Wed Jul 02 2008 - 19:14:39 EST


On Thu, Jul 03, 2008 at 12:52:59AM +0200, Marek Vasut wrote:
> ok, I fixed what I was able to grasp. That is :
>
> -Are these useful? + Dittos
> -Don't you have to configure GPIO47 as a GPIO to change its state?
> Since you don't, and I assume you've tested this, I think you've
> proven that you can delete the fiddling with GPIO47.
>
> Actually GPIO47 was set up before by palmos (since Im not booting from clean
> state, but from palmOS) so it wasnt necessary to set it up again in linux and
> it didnt cause any problems. Booting it from clean state would cause
> problems, so I fixed it.

Bear in mind then that it may work for the first time you enable IrDA,
but if you subseqently disable and re-enable it, GPIO47 will be assigned
to the UART instead.

> That's it, but what I still dont understand is the pxa branch (and new PWM
> stuff). Im currently using mainline (linus's tree), so that's not the tree I
> should use ?

from memory:

http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-rmk pxa

where 'http:...' is the URL and 'pxa' is the branch name. It's currently
quite a bit older than mainline at the moment.
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