linux-kernel - Re: [PATCH v4 6/7] ARM: davinci: convert to common clock framework

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Date:   Thu, 4 Jan 2018 18:09:31 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     David Lechner <david@...hnology.com>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     Kevin Hilman <khilman@...nel.org>, Adam Ford <aford173@...il.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 6/7] ARM: davinci: convert to common clock framework

On Monday 01 January 2018 05:09 AM, David Lechner wrote:
> This converts all of arch/arm/mach-davinci to the common clock framework.
> The clock drivers from clock.c and psc.c have been moved to drivers/clk,
> so these files are removed.
> 
> There is one subtle change in the clock trees. AUX, BPDIV and OSCDIV
> clocks now have "ref_clk" as a parent instead of the PLL clock. These
> clocks are part of the PLL's MMIO block, but they bypass the PLL and
> therefore it makes more sense to have "ref_clk" as their parent since
> "ref_clk" is the input clock of the PLL.
> 
> CONFIG_DAVINCI_RESET_CLOCKS is removed since the common clock frameworks
> takes care of disabling unused clocks.
> 
> Known issue: This breaks CPU frequency scaling on da850.

This functionality needs to be restored as part of this series since we
cannot commit anything with regressions.

> 
> Also, the order of #includes are cleaned up in files while we are touching
> this code.
> 
> Signed-off-by: David Lechner <david@...hnology.com>

This is a pretty huge patch again and I hope it can be broken down.
Ideally one per SoC converted and then the unused code removal.

Thanks,
Sekhar