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interconnect: qcom: icc-rpmh: Vote for keepalive BCMs during init

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Place initial votes for BCMs marked as keepalive during initialization
such that we force the BCMs on even in the absence of explicit client
votes.

Change-Id: I0cf1b2f2a76d5fc094329520ce2a9f1691a3f681
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
This commit is contained in:
Mike Tipton 2022-03-24 16:04:42 -07:00
parent d2d4f6d777
commit 2fbcc44e15
2 changed files with 18 additions and 3 deletions
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19
drivers/interconnect/qcom/icc-rpmh.c
View File

@ -167,11 +167,14 @@ EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
*
* Return: 0 on success, or an error code otherwise
*/
int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev)
int qcom_icc_bcm_init(struct qcom_icc_provider *qp, struct qcom_icc_bcm *bcm,
struct device *dev)
{
struct qcom_icc_node *qn;
const struct bcm_db *data;
struct bcm_voter *voter;
size_t data_count;
int ret;
int i;
/* BCM is already initialised*/
@ -214,6 +217,18 @@ int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev)
qn->num_bcms++;
}
if (bcm->keepalive || bcm->keepalive_early) {
voter = qp->voters[bcm->voter_idx];
qcom_icc_bcm_voter_add(voter, bcm);
ret = qcom_icc_bcm_voter_commit(voter);
if (ret) {
dev_err(dev, "failed to place initial vote for %s\n",
bcm->name);
return ret;
}
}
return 0;
}
EXPORT_SYMBOL_GPL(qcom_icc_bcm_init);
@ -378,7 +393,7 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
return qp->num_clks;
for (i = 0; i < qp->num_bcms; i++)
qcom_icc_bcm_init(qp->bcms[i], dev);
qcom_icc_bcm_init(qp, qp->bcms[i], dev);
if (!qp->skip_qos) {
ret = enable_qos_deps(qp);

2
drivers/interconnect/qcom/icc-rpmh.h
View File

@ -162,7 +162,7 @@ int qcom_icc_aggregate_stub(struct icc_node *node, u32 tag, u32 avg_bw,
int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
int qcom_icc_set_stub(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);
int qcom_icc_bcm_init(struct qcom_icc_provider *qp, struct qcom_icc_bcm *bcm, struct device *dev);
void qcom_icc_pre_aggregate(struct icc_node *node);
int qcom_icc_rpmh_probe(struct platform_device *pdev);
int qcom_icc_rpmh_remove(struct platform_device *pdev);