Re: [RFC 02/17] ARM: call clk_of_init from time_init

From: Sebastian Hesselbarth
Date: Tue Aug 20 2013 - 15:47:45 EST


On 08/20/2013 05:46 PM, Stephen Warren wrote:
On 08/19/2013 08:04 PM, Sebastian Hesselbarth wrote:
Most DT ARM machs require common clock providers initialized before timers.
Currently, arch/arm machs use .init_time to call clk_of_init right before
clocksource_of_init. This prevents to remove that hook and use the default
hook instead. clk_of_init now checks for multiple calls to it, so add
the call to ARM arch time_init by default.

Some SoCs call this function in .init_irq() rather than .init_time().
Perhaps we adjust this patch to do that instead. That way, we can
presumably get rid of patch 1/17 since we can eliminate any duplicate
calls, and adjust patch 14/17 (Tegra board file) to remove its custom
call to of_clock_init(NULL)?

Currently as of -next from yesterday, only tegra is requiring clocks
that early, while others are fine with them close to timers. I really
have no strong opinion on that. That decision should rather be made
by those with a far more complete insight of the consequences than I
have.

Sebastian
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