[PATCH] ARM: Kirkwood: Fix clk problems modular ethernet driver

[Olof Johansson]

Hi,

On Wed, Jun 13, 2012 at 5:52 AM, Andrew Lunn <andrew at lunn.ch> wrote:
> When the ethernet driver was built as a module, it would lock the
> machine when loaded. At boot the ethernet clks are unused, so get
> turned off.  Later, when the module is loaded, the probe function
> would access the hardware before the clock was restarted, and the
> machine would lock. It has also been determined that when the clk is
> turned off, the interface forgets its MAC address, which for most
> systems, is set by the boot loader.
>
> When the machine setup file creates a platform device for the
> interface, prepare and enable the clock for the interface. This will
> ensure it is not turned off. However, if the setup file only
> instantiates one platform device, the other will have its clk
> disabled, thus maybe saving a little power.
>
> Report-by: Simon Baatz <gmbnomis at gmail.com>
> Signed-off-by: Andrew Lunn <andrew at lunn.ch>
> Tested-by: Simon Baatz <gmbnomis at gmail.com>

Thanks, applied to fixes.


-Olof