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soc: qcom: soc_sleep_stats: Update driver to support legacy targets

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Update driver to support legacy drivers which do not have
separate offset address to read stats. The legacy targets
provided with start and end address.

Change-Id: I241c1b28d23491001d193737ac1bca90a87e9169
Signed-off-by: Raghavendra Kakarla <rkakarla@codeaurora.org>
Signed-off-by: Tushar Nimkar <tnimkar@codeaurora.org>
This commit is contained in:
Raghavendra Kakarla 2021-02-26 02:11:18 +05:30 committed by Gerrit - the friendly Code Review server
parent 08db65b8bf
commit f57ccea829
1 changed files with 18 additions and 7 deletions
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25
drivers/soc/qcom/soc_sleep_stats.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2011-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2011-2021, The Linux Foundation. All rights reserved.
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
@ -159,6 +159,11 @@ static int soc_sleep_stats_create_sysfs(struct platform_device *pdev,
return sysfs_create_file(drv->kobj, &drv->ka.attr);
}
static const struct stats_config legacy_rpm_data = {
.num_records = 2,
.appended_stats_avail = true,
};
static const struct stats_config rpm_data = {
.offset_addr = 0x14,
.num_records = 2,
@ -174,6 +179,7 @@ static const struct stats_config rpmh_data = {
static const struct of_device_id soc_sleep_stats_table[] = {
{ .compatible = "qcom,rpm-sleep-stats", .data = &rpm_data},
{ .compatible = "qcom,rpmh-sleep-stats", .data = &rpmh_data},
{ .compatible = "qcom,legacy-rpm-sleep-stats", .data = &legacy_rpm_data},
{ },
};
@ -182,6 +188,7 @@ static int soc_sleep_stats_probe(struct platform_device *pdev)
struct soc_sleep_stats_data *drv;
struct resource *res;
void __iomem *offset_addr;
uint32_t offset = 0;
int ret;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
@ -196,14 +203,18 @@ static int soc_sleep_stats_probe(struct platform_device *pdev)
if (!res)
return PTR_ERR(res);
offset_addr = ioremap_nocache(res->start + drv->config->offset_addr,
sizeof(u32));
if (IS_ERR(offset_addr))
return PTR_ERR(offset_addr);
if (drv->config->offset_addr) {
offset_addr = devm_ioremap_nocache(&pdev->dev, res->start +
drv->config->offset_addr,
sizeof(u32));
if (!offset_addr)
return -ENOMEM;
drv->stats_base = res->start | readl_relaxed(offset_addr);
offset = readl_relaxed(offset_addr);
}
drv->stats_base = res->start | offset;
drv->stats_size = resource_size(res);
iounmap(offset_addr);
ret = soc_sleep_stats_create_sysfs(pdev, drv);
if (ret) {