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interconnect: qcom: Add sync_state for sdxnightjar

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Add sync_state functionality to remove threshold held
during initial boot up and clean up any linger proxy
resources that were voted for from bootloaders.

Change-Id: I21bf31ceb9c0bdcd5bf8c19661c552f3ab44742e
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
This commit is contained in:
Odelu Kukatla 2021-03-18 23:34:17 +05:30
commit d423df306e
1 changed files with 52 additions and 1 deletions
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53
drivers/interconnect/qcom/sdxnightjar.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
*
*/
@ -21,6 +21,11 @@
#include "icc-rpm.h"
#include "rpm-ids.h"
static LIST_HEAD(qnoc_probe_list);
static DEFINE_MUTEX(probe_list_lock);
static int probe_count;
static const struct clk_bulk_data bus_clocks[] = {
{ .id = "bus" },
{ .id = "bus_a" },
@ -921,6 +926,10 @@ static int qnoc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, qp);
mutex_lock(&probe_list_lock);
list_add_tail(&qp->probe_list, &qnoc_probe_list);
mutex_unlock(&probe_list_lock);
dev_info(dev, "Registered SDXNIGHTJAR ICC\n");
return 0;
@ -961,12 +970,54 @@ 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);
int ret = 0, i;
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) {
qp->init = false;
if (!qp->keepalive)
continue;
for (i = 0; i < RPM_NUM_CXT; i++) {
if (i == RPM_ACTIVE_CXT) {
if (qp->bus_clk_cur_rate[i] == 0)
ret = clk_set_rate(qp->bus_clks[i].clk,
RPM_CLK_MIN_LEVEL);
else
ret = clk_set_rate(qp->bus_clks[i].clk,
qp->bus_clk_cur_rate[i]);
if (ret)
pr_err("%s clk_set_rate error: %d\n",
qp->bus_clks[i].id, ret);
}
}
}
mutex_unlock(&probe_list_lock);
pr_err("SDXNIGHTJAR ICC Sync State done\n");
}
static struct platform_driver qnoc_driver = {
.probe = qnoc_probe,
.remove = qnoc_remove,
.driver = {
.name = "qnoc-sdxnightjar",
.of_match_table = qnoc_of_match,
.sync_state = qnoc_sync_state,
},
};