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Merge "interconnect: qcom: Add sync_state for Shima"

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qctecmdr 2020-08-28 10:46:00 -07:00 • committed by Gerrit - the friendly Code Review server
commit a3ebedb4e6
1 changed files with 52 additions and 5 deletions
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57
drivers/interconnect/qcom/shima.c
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@ -19,6 +19,11 @@
#include "icc-rpmh.h"
#include "bcm-voter.h"
static LIST_HEAD(qnoc_probe_list);
static DEFINE_MUTEX(probe_list_lock);
static int probe_count;
static struct qcom_icc_node qhm_qspi = {
.name = "qhm_qspi",
.id = MASTER_QSPI_0,
@ -394,7 +399,7 @@ static struct qcom_icc_node qhm_config_noc = {
static struct qcom_icc_node llcc_mc = {
.name = "llcc_mc",
.id = MASTER_LLCC,
.channels = 4,
.channels = 2,
.buswidth = 4,
.num_links = 1,
.links = { SLAVE_EBI1 },
@ -547,7 +552,7 @@ static struct qcom_icc_node qnm_mnoc_hf_disp = {
static struct qcom_icc_node llcc_mc_disp = {
.name = "llcc_mc_disp",
.id = MASTER_LLCC_DISP,
.channels = 4,
.channels = 2,
.buswidth = 4,
.num_links = 1,
.links = { SLAVE_EBI1_DISP },
@ -1205,7 +1210,7 @@ static struct qcom_icc_node srvc_niu_lpass_agnoc = {
static struct qcom_icc_node ebi = {
.name = "ebi",
.id = SLAVE_EBI1,
.channels = 4,
.channels = 2,
.buswidth = 4,
.num_links = 0,
};
@ -1291,7 +1296,7 @@ static struct qcom_icc_node qns_llcc_disp = {
static struct qcom_icc_node ebi_disp = {
.name = "ebi_disp",
.id = SLAVE_EBI1_DISP,
.channels = 4,
.channels = 2,
.buswidth = 4,
.num_links = 0,
};
@ -2067,7 +2072,11 @@ static int qnoc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, qp);
dev_dbg(&pdev->dev, "Registered SHIMA ICC\n");
dev_info(&pdev->dev, "Registered SHIMA ICC\n");
mutex_lock(&probe_list_lock);
list_add_tail(&qp->probe_list, &qnoc_probe_list);
mutex_unlock(&probe_list_lock);
return ret;
err:
@ -2121,12 +2130,50 @@ static const struct of_device_id qnoc_of_match[] = {
};
MODULE_DEVICE_TABLE(of, qnoc_of_match);
static void qnoc_sync_state(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
struct qcom_icc_bcm *bcm;
struct bcm_voter *voter;
mutex_lock(&probe_list_lock);
probe_count++;
if (probe_count < ARRAY_SIZE(qnoc_of_match) - 1) {
mutex_unlock(&probe_list_lock);
return;
}
list_for_each_entry(qp, &qnoc_probe_list, probe_list) {
int i;
for (i = 0; i < qp->num_voters; i++)
qcom_icc_bcm_voter_clear_init(qp->voters[i]);
for (i = 0; i < qp->num_bcms; i++) {
bcm = qp->bcms[i];
if (!bcm->keepalive)
continue;
voter = qp->voters[bcm->voter_idx];
qcom_icc_bcm_voter_add(voter, bcm);
qcom_icc_bcm_voter_commit(voter);
}
}
mutex_unlock(&probe_list_lock);
pr_err("ICC interconnect state synced\n");
}
static struct platform_driver qnoc_driver = {
.probe = qnoc_probe,
.remove = qnoc_remove,
.driver = {
.name = "qnoc-shima",
.of_match_table = qnoc_of_match,
.sync_state = qnoc_sync_state,
},
};