[RFC 11/19] interconnect: imx: Add imx_icc_get_bw and imx_icc_aggregate functions

Abel Vesa
2021-09-13T17:38:44Z

The aggregate function will return whatever is the highest
rate for that specific node. The imx_icc_get_bw sets the
initial avg and peak to 0 in order to avoid setting them to
INT_MAX by the interconnect core.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
---
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 db048df80011..5cc1ce55406c 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;
--
2.31.1