[PATCH] ARM: tegra: remove clock-frequency properties from serial nodes

Stephen Warren swarren at wwwdotorg.org
Tue Feb 12 12:47:33 EST 2013


On 02/12/2013 10:43 AM, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> Currently, the serial nodes define both a clock-frequency and a clocks
> property. We should not provide both, since they might conflict.
> 
> In practice, this also causes problems since the of_serial driver uses
> the clock-frequency property in preference to the clocks property, and
> hence doesn't clk_prepare_enable() the clock, which may then leave it
> with no known users, and hence the common clock framework will disable
> it, thus breaking the port, which is usually the console.

I've applied this to Tegra's for-3.9/soc-ccf-fixes branch, although I'll
hold off on pushing it out a little while in case anyone has comments on
it. That said, I hope to include it in an arm-soc pull request tomorrow
at the latest.



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