summaryrefslogtreecommitdiff
path: root/drivers/interconnect
diff options
context:
space:
mode:
authorGeorgi Djakov <georgi.djakov@linaro.org>2020-09-03 16:31:30 +0300
committerGeorgi Djakov <georgi.djakov@linaro.org>2020-09-08 16:29:00 +0300
commit6caa3070fd5955d0e647e8cf3b7a33c73a27e32f (patch)
tree90daa762c9807e6aa4d8c0df2e697ec863ce14b1 /drivers/interconnect
parent9a34e7ad2e123b4ed02a1c579939aadf148683c5 (diff)
interconnect: qcom: Implement xlate_extended() to parse tags
Implement a function to parse the arguments of the "interconnects" DT property and populate the interconnect path tags if this information is available. Tested-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Sibi Sankar <sibis@codeaurora.org> Link: https://lore.kernel.org/r/20200903133134.17201-4-georgi.djakov@linaro.org Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Diffstat (limited to 'drivers/interconnect')
-rw-r--r--drivers/interconnect/qcom/icc-rpmh.c27
-rw-r--r--drivers/interconnect/qcom/icc-rpmh.h1
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c
index 008846c17bec..cf10a4b9611b 100644
--- a/drivers/interconnect/qcom/icc-rpmh.c
+++ b/drivers/interconnect/qcom/icc-rpmh.c
@@ -6,6 +6,8 @@
#include <linux/interconnect.h>
#include <linux/interconnect-provider.h>
#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/slab.h>
#include "bcm-voter.h"
#include "icc-rpmh.h"
@@ -92,6 +94,31 @@ int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
}
EXPORT_SYMBOL_GPL(qcom_icc_set);
+struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+{
+ struct icc_node_data *ndata;
+ struct icc_node *node;
+
+ node = of_icc_xlate_onecell(spec, data);
+ if (IS_ERR(node))
+ return ERR_CAST(node);
+
+ ndata = kzalloc(sizeof(*ndata), GFP_KERNEL);
+ if (!ndata)
+ return ERR_PTR(-ENOMEM);
+
+ ndata->node = node;
+
+ if (spec->args_count == 2)
+ ndata->tag = spec->args[1];
+
+ if (spec->args_count > 2)
+ pr_warn("%pOF: Too many arguments, path tag is not parsed\n", spec->np);
+
+ return ndata;
+}
+EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
+
/**
* qcom_icc_bcm_init - populates bcm aux data and connect qnodes
* @bcm: bcm to be initialized
diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h
index 10b1890345b1..e5f61ab989e7 100644
--- a/drivers/interconnect/qcom/icc-rpmh.h
+++ b/drivers/interconnect/qcom/icc-rpmh.h
@@ -131,6 +131,7 @@ struct qcom_icc_desc {
int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
+struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev);
void qcom_icc_pre_aggregate(struct icc_node *node);