[PATCH v6 1/6] clk: sunxi-ng: div: Add support for fixed post-divider

Maxime Ripard maxime.ripard at free-electrons.com
Mon Jul 17 01:52:35 PDT 2017


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 at plaes.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
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 801 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20170717/2ab8e982/attachment-0001.sig>


More information about the linux-arm-kernel mailing list