linux-kernel - Re: [PATCH 2/3] clk: qcom: gdsc: Add support to poll for higher timeout value

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Message-ID: <152297065260.143116.4250583205921081457@swboyd.mtv.corp.google.com>
Date:   Thu, 05 Apr 2018 16:24:12 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Taniya Das <tdas@...eaurora.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Odelu Kukatla <okukatla@...eaurora.org>,
        Amit Nischal <anischal@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Taniya Das <tdas@...eaurora.org>
Subject: Re: [PATCH 2/3] clk: qcom: gdsc: Add support to poll for higher timeout value

Quoting Taniya Das (2018-04-02 03:45:44)
> From: Amit Nischal <anischal@...eaurora.org>
> 
> For some gdscs, it might take longer time up to 500us for
> updating their status. So add support for the same by
> defining a new flag 'GDS_TIMEOUT' to mark such gdsc in
> order to poll their status for longer timeout value.
> 
> Signed-off-by: Amit Nischal <anischal@...eaurora.org>
> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> ---

Let's just increase the timeout to 500 if it's required? This is a
timeout, so we're not really expecting to hit it anyway so optimizing
the uncommon case is not useful.