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interconnect: qcom: Implement xlate_extended() to parse tags

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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>
This commit is contained in:
Georgi Djakov 2020-09-03 16:31:30 +03:00
parent 9a34e7ad2e
commit 6caa3070fd
2 changed files with 28 additions and 0 deletions
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27
drivers/interconnect/qcom/icc-rpmh.c
View File

@ -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

1
drivers/interconnect/qcom/icc-rpmh.h
View File

@ -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);