Messages in this thread | | | Date | Mon, 3 Jan 2022 17:01:56 +0200 | From | Abel Vesa <> | Subject | Re: [PATCH v2 2/3] interconnect: imx: Add imx_icc_get_bw and imx_icc_aggregate functions |
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On 22-01-01 20:26:05, Georgi Djakov wrote: > Hi Abel, > > On 1.01.22 18:39, Abel Vesa wrote: > > The aggregate function will return whatever is the highest > > rate for that specific node. The imx_icc_get_bw sets the > > Adding some more details about why we switch from > icc_std_aggregate to imx_icc_aggregate would be nice. >
On a second look, I think I can drop the imx_icc_aggregate and use the icc_std_aggregate instead, as long as I use the peak_bw and forget about the agg_bw.
> > initial avg and peak to 0 in order to avoid setting them to > > INT_MAX by the interconnect core. > > Do we need a Fixes tag for this? >
Neah, the imx interconnect is not used by any platform yet.
> I would recommend to split imx_icc_get_bw and imx_icc_aggregate > changes into separate patches. These also seem to be unrelated to > the imx_icc_node_adj_desc patchset. >
Since I can use icc_std_aggregate, the imx_icc_aggregate change will be dropped.
> Thanks, > Georgi > > > Signed-off-by: Abel Vesa <abel.vesa@nxp.com> > > --- > > > > No changes since v1. > > > > drivers/interconnect/imx/imx.c | 20 +++++++++++++++++++- > > 1 file changed, 19 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c > > index 34bfc7936387..4d8a2a2d2608 100644 > > --- a/drivers/interconnect/imx/imx.c > > +++ b/drivers/interconnect/imx/imx.c > > @@ -25,6 +25,23 @@ struct imx_icc_node { > > struct dev_pm_qos_request qos_req; > > }; > > +static int imx_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak) > > +{ > > + *avg = 0; > > + *peak = 0; > > + > > + return 0; > > +} > > + > > +static int imx_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, > > + u32 peak_bw, u32 *agg_avg, u32 *agg_peak) > > +{ > > + *agg_avg = max(*agg_avg, avg_bw); > > + *agg_peak = max(*agg_peak, peak_bw); > > + > > + return 0; > > +} > > + > > static int imx_icc_node_set(struct icc_node *node) > > { > > struct device *dev = node->provider->dev; > > @@ -233,7 +250,8 @@ int imx_icc_register(struct platform_device *pdev, > > if (!provider) > > return -ENOMEM; > > provider->set = imx_icc_set; > > - provider->aggregate = icc_std_aggregate; > > + provider->get_bw = imx_icc_get_bw; > > + provider->aggregate = imx_icc_aggregate; > > provider->xlate = of_icc_xlate_onecell; > > provider->data = data; > > provider->dev = dev; >
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