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Date: Fri, 1 Sep 2017 15:55:09 -0700 From: Stephen Boyd <sboyd@...eaurora.org> To: Quentin Schulz <quentin.schulz@...e-electrons.com> Cc: mturquette@...libre.com, robh+dt@...nel.org, mark.rutland@....com, lgirdwood@...il.com, broonie@...nel.org, nicolas.ferre@...rochip.com, alexandre.belloni@...e-electrons.com, linux@...linux.org.uk, boris.brezillon@...e-electrons.com, perex@...ex.cz, tiwai@...e.com, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org, cyrille.pitchen@...ev4u.fr, thomas.petazzoni@...e-electrons.com Subject: Re: [PATCH v5 1/7] clk: at91: clk-generated: remove useless divisor loop On 08/10, Quentin Schulz wrote: > The driver requests the current clk rate of each of its parent clocks to > decide whether a clock rate is suitable or not. It does not request > determine_rate from a parent clock which could request a rate change in > parent clock (i.e. there is no parent rate propagation). > > We know the rate we want (passed along req argument of the function) and > the parent clock rate, thus we know the closest rounded divisor, we > don't need to iterate over the available divisors to find the best one > for a given clock. > > Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com> > Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com> > Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com> > --- Applied to clk-next -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
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