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interconnect: qcom: icc-rpmh: Implement stub handling

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Skip bcm init and implement stubs for icc apis when stub property
is defined.

Change-Id: Ic56a75578b6fa4fe35bebaf103d41205e444efed
Signed-off-by: Vivek Aknurwar <viveka@codeaurora.org>
This commit is contained in:
Vivek Aknurwar 2021-06-09 20:49:38 -07:00 committed by Mike Tipton
parent bdebb74665
commit bc2e1198cc
2 changed files with 20 additions and 12 deletions
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31
drivers/interconnect/qcom/icc-rpmh.c
View File

@ -263,6 +263,8 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
if (!data)
return -ENOMEM;
qp->stub = of_property_read_bool(pdev->dev.of_node, "qcom,stub");
provider = &qp->provider;
provider->dev = dev;
provider->set = qcom_icc_set_stub;
@ -275,19 +277,22 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
qp->dev = dev;
qp->bcms = desc->bcms;
qp->num_bcms = desc->num_bcms;
qp->num_voters = desc->num_voters;
qp->voters = devm_kcalloc(&pdev->dev, qp->num_voters,
sizeof(*qp->voters), GFP_KERNEL);
if (!qp->stub) {
qp->num_bcms = desc->num_bcms;
qp->num_voters = desc->num_voters;
if (!qp->voters)
return -ENOMEM;
qp->voters = devm_kcalloc(&pdev->dev, qp->num_voters,
sizeof(*qp->voters), GFP_KERNEL);
for (i = 0; i < qp->num_voters; i++) {
qp->voters[i] = of_bcm_voter_get(qp->dev, desc->voters[i]);
if (IS_ERR(qp->voters[i]))
return PTR_ERR(qp->voters[i]);
if (!qp->voters)
return -ENOMEM;
for (i = 0; i < qp->num_voters; i++) {
qp->voters[i] = of_bcm_voter_get(qp->dev, desc->voters[i]);
if (IS_ERR(qp->voters[i]))
return PTR_ERR(qp->voters[i]);
}
}
qp->regmap = qcom_icc_rpmh_map(pdev, desc);
@ -340,8 +345,10 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
data->num_nodes = num_nodes;
platform_set_drvdata(pdev, qp);
provider->set = qcom_icc_set;
provider->aggregate = qcom_icc_aggregate;
if (!qp->stub) {
provider->set = qcom_icc_set;
provider->aggregate = qcom_icc_aggregate;
}
qcom_icc_debug_register(provider);

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

@ -32,6 +32,7 @@ struct qcom_icc_provider {
int num_clks;
struct bcm_voter **voters;
size_t num_voters;
bool stub;
};
/**