[PATCH v3 0/2] rockchip: fix serial output on rk3036

Stephen Boyd sboyd at codeaurora.org
Tue Mar 7 05:54:43 PST 2017


On 03/01, Heiko Stuebner wrote:
> Recent changes to the 8250-dw variant revealed issues concerning
> how the clock rates are handled on the rk3036 uart.
> 
> For one, there was an error in the clock declaration, but also the
> shared uart-pll-select-mux also as default got supplied from the apll
> that also supplies the cpu and thus gets frequency scaled.
> 
> The patches in this series remedy this and make the debug uart
> function again on 4.10 + current merge window.
> 
> 
> As for the merge-path, I've now tested all Rockchip socs I have access
> to (3036, 3288, 3368, 3399) and didn't find any more clock-related issues
> with the merge-window as of today. So if no other subtle issue turns up
> this week, these should be all fixes for the 4.11 cycle.
> So these 2 patches could be picked up by clock-maintainers directly if
> so desired, or I can send a pull request after the merge-window closes
> and we're save to say that nothing else broke.
> 
> changes in v3:
> - use a direct register write, instead of using clock apis

Great. I'm happy to merge this into clk-fixes now (and I will do
it now unless you have some need to send a pull request).

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