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From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Priit Laes <plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
Cc: Michael Turquette
	<mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
	Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>,
	Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
	Jonathan Liu <net147-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v6 1/6] clk: sunxi-ng: div: Add support for fixed post-divider
Date: Mon, 17 Jul 2017 10:52:35 +0200	[thread overview]
Message-ID: <20170717085235.i7pwwql5dgmnf6kk@flea> (raw)
In-Reply-To: <946794e97ae2c36cd67c272099e8236a589efc28.1500043741.git-series.plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>

[-- Attachment #1: Type: text/plain, Size: 1149 bytes --]

On Fri, Jul 14, 2017 at 05:49:23PM +0300, Priit Laes wrote:
> SATA clock on sun4i/sun7i is of type (parent) / M / 6 where
> 6 is fixed post-divider.
> 
> Signed-off-by: Priit Laes <plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
> ---
>  drivers/clk/sunxi-ng/ccu_div.c | 15 +++++++++++++--
>  drivers/clk/sunxi-ng/ccu_div.h |  3 ++-
>  2 files changed, 15 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c
> index c0e5c10..744502a 100644
> --- a/drivers/clk/sunxi-ng/ccu_div.c
> +++ b/drivers/clk/sunxi-ng/ccu_div.c
> @@ -21,6 +21,9 @@ static unsigned long ccu_div_round_rate(struct ccu_mux_internal *mux,
>  {
>  	struct ccu_div *cd = data;
>  
> +	if (cd->common.features & CCU_FEATURE_FIXED_POSTDIV)
> +		rate *= cd->fixed_post_div;
> +
>  	return divider_round_rate_parent(&cd->common.hw, parent,
>  					 rate, parent_rate,
>  					 cd->div.table, cd->div.width,


You still haven't addressed the biggest issue with this patch, see:
https://patchwork.kernel.org/patch/9825565/

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

  parent reply	other threads:[~2017-07-17  8:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14 14:49 [PATCH v6 0/6] ARM: sunxi: Convert sun4i/sun7i series SoCs to sunxi-ng CCU Priit Laes
2017-07-14 14:49 ` [PATCH v6 1/6] clk: sunxi-ng: div: Add support for fixed post-divider Priit Laes
     [not found]   ` <946794e97ae2c36cd67c272099e8236a589efc28.1500043741.git-series.plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
2017-07-17  8:52     ` Maxime Ripard [this message]
2017-08-12  3:07       ` icenowy
2017-08-12  4:13         ` [linux-sunxi] " Chen-Yu Tsai
     [not found]           ` <CAGb2v675Y3AAa747-3VqsPN64YOk11v5Gm3_yq5ZeJ=YPz596g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-12  4:49             ` icenowy-h8G6r0blFSE
2017-07-14 14:49 ` [PATCH v6 4/6] dt-bindings: List devicetree binding for the CCU of Allwinner A10 Priit Laes
     [not found] ` <cover.ba2aaaa405a7ec685034e34926b8855fd6c9ab86.1500043741.git-series.plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
2017-07-14 14:49   ` [PATCH v6 2/6] clk: sunxi-ng: Add sun4i/sun7i CCU driver Priit Laes
     [not found]     ` <f03e50040dc2d3dc3edd6be071510feeb953161d.1500043741.git-series.plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
2017-07-17  8:54       ` Maxime Ripard
2017-08-02  7:05       ` Jonathan Liu
2017-07-14 14:49   ` [PATCH v6 3/6] dt-bindings: List devicetree binding for the CCU of Allwinner A20 Priit Laes
2017-07-14 14:49   ` [PATCH v6 5/6] ARM: sun7i: Convert to CCU Priit Laes
2017-07-14 14:49   ` [PATCH v6 6/6] ARM: sun4i: " Priit Laes

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