linux-kernel - Re: [PATCH v3 01/11] clk: qcom: Add support for alpha pll hwfsm ops

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Message-ID: <20161102215132.GM16026@codeaurora.org>
Date:   Wed, 2 Nov 2016 14:51:32 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     mturquette@...libre.com, linux-clk@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        tdas@...eaurora.org
Subject: Re: [PATCH v3 01/11] clk: qcom: Add support for alpha pll hwfsm ops

On 09/29, Rajendra Nayak wrote:
> Some PLLs can support an HW FSM mode (different from the Votable FSMs,
> though its the same bit used to enable Votable FSMs as well as HW FSMs)
> which enables the HW to do the bypass/reset/enable-output-ctrl sequence
> on its own. So all thats needed from SW is to set the FSM_ENA bit.
> PLL_ACTIVE_FLAG is whats used to check if the PLL is active/enabled.
> 
> Some of the PLLs which support HW FSM can also need an OFFLINE request
> that needs to be toggled across the enable/disable. We use a flag to
> identify such cases and handle them.
> 
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> ---

Applied to clk-next

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