qcacmn: add rtpm stats sysfs functionality
Current code allows for viewing Runtime PM stats via debugfs only. Fix this by adding sysfs viewing functionality. Change-Id: I97fe054bab5651f538c8d80ad031dc33933946a4 CRs-Fixed: 3414303
This commit is contained in:
Mohammed Ahmed
committed by
Madan Koyyalamudi
Madan Koyyalamudi
vanhempi
5047c5345a
commit
03dcdab044
@@ -89,8 +89,118 @@ static inline int hif_rtpm_read_usage_count(void)
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return qdf_atomic_read(&gp_hif_rtpm_ctx->dev->power.usage_count);
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}
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#define HIF_RTPM_STATS(_s, _rtpm_ctx, _name) \
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seq_printf(_s, "%30s: %u\n", #_name, (_rtpm_ctx)->stats._name)
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/**
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* hif_rtpm_print(): print stats for runtimepm
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* @type: type of caller
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* @index: pointer to index to keep track of print position
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* @buf: pointer of buffer to print to
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* @fmt: format string
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*
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* debugging tool added to allow for unified API for debug/sys fs rtpm printing
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*/
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static void
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hif_rtpm_print(enum hif_rtpm_fill_type type, int *index, void *buf,
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char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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if (type == HIF_RTPM_FILL_TYPE_SYSFS) {
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if (index)
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*index += vscnprintf((char *)buf + *index, PAGE_SIZE,
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fmt, args);
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} else if (type == HIF_RTPM_FILL_TYPE_DEBUGFS) {
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seq_vprintf((struct seq_file *)buf, fmt, args);
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}
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va_end(args);
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}
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#define HIF_RTPM_STATS(_type, _index, _s, _rtpm_ctx, _name) \
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hif_rtpm_print(_type, _index, _s, "%30s: %u\n", #_name, \
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(_rtpm_ctx)->stats._name)
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int hif_rtpm_log_debug_stats(void *s, enum hif_rtpm_fill_type type)
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{
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int index = 0;
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struct hif_rtpm_client *client = NULL;
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struct hif_pm_runtime_lock *ctx;
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static const char * const autopm_state[] = {"NONE", "ON", "RESUMING",
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"RESUMING_LINKUP", "SUSPENDING", "SUSPENDED"};
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int pm_state = qdf_atomic_read(&gp_hif_rtpm_ctx->pm_state);
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int i;
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hif_rtpm_print(type, &index, s, "%30s: %llu\n", "Current timestamp",
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qdf_get_log_timestamp());
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hif_rtpm_print(type, &index, s, "%30s: %s\n", "Runtime PM state",
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autopm_state[pm_state]);
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hif_rtpm_print(type, &index, s, "%30s: %llu\n", "Last Busy timestamp",
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gp_hif_rtpm_ctx->stats.last_busy_ts);
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hif_rtpm_print(type, &index, s, "%30s: %ps\n", "Last Busy Marker",
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gp_hif_rtpm_ctx->stats.last_busy_marker);
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hif_rtpm_print(type, &index, s, "Rx busy marker counts:\n");
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hif_rtpm_print(type, &index, s, "%30s: %u %llu\n",
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hif_rtpm_id_to_string(HIF_RTPM_ID_DP),
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_DP]->last_busy_cnt,
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_DP]->last_busy_ts);
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hif_rtpm_print(type, &index, s, "%30s: %u %llu\n",
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hif_rtpm_id_to_string(HIF_RTPM_ID_CE),
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_CE]->last_busy_cnt,
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_CE]->last_busy_ts);
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HIF_RTPM_STATS(type, &index, s, gp_hif_rtpm_ctx, last_busy_id);
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if (pm_state == HIF_RTPM_STATE_SUSPENDED) {
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hif_rtpm_print(type, &index, s, "%30s: %llx us\n",
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"Suspended Since",
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gp_hif_rtpm_ctx->stats.suspend_ts);
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}
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HIF_RTPM_STATS(type, &index, s, gp_hif_rtpm_ctx, resume_count);
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HIF_RTPM_STATS(type, &index, s, gp_hif_rtpm_ctx, suspend_count);
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HIF_RTPM_STATS(type, &index, s, gp_hif_rtpm_ctx, suspend_err_count);
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hif_rtpm_print(type, &index, s, "%30s: %d\n", "PM Usage count",
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hif_rtpm_read_usage_count());
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hif_rtpm_print(type, &index, s,
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"get put get-timestamp put-timestamp :DBGID_NAME\n");
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for (i = 0; i < HIF_RTPM_ID_MAX; i++) {
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client = gp_hif_rtpm_ctx->clients[i];
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if (!client)
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continue;
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hif_rtpm_print(type, &index, s, "%-10d ",
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qdf_atomic_read(&client->get_count));
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hif_rtpm_print(type, &index, s, "%-10d ",
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qdf_atomic_read(&client->put_count));
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hif_rtpm_print(type, &index, s, "0x%-10llx ", client->get_ts);
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hif_rtpm_print(type, &index, s, "0x%-10llx ", client->put_ts);
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hif_rtpm_print(type, &index, s, ":%-2d %-30s\n", i,
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hif_rtpm_id_to_string(i));
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}
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hif_rtpm_print(type, &index, s, "\n");
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qdf_spin_lock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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if (list_empty(&gp_hif_rtpm_ctx->prevent_list)) {
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qdf_spin_unlock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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return index;
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}
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hif_rtpm_print(type, &index, s, "%30s: ", "Active Wakeup_Sources");
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list_for_each_entry(ctx, &gp_hif_rtpm_ctx->prevent_list, list) {
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hif_rtpm_print(type, &index, s, "%s", ctx->name);
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hif_rtpm_print(type, &index, s, " ");
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}
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qdf_spin_unlock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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hif_rtpm_print(type, &index, s, "\n");
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return index;
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}
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/**
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* hif_rtpm_debugfs_show(): show debug stats for runtimepm
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@@ -101,77 +211,10 @@ static inline int hif_rtpm_read_usage_count(void)
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*
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* Return: 0
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*/
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static int hif_rtpm_debugfs_show(struct seq_file *s, void *data)
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{
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struct hif_rtpm_client *client = NULL;
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struct hif_pm_runtime_lock *ctx;
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static const char * const autopm_state[] = {"NONE", "ON", "RESUMING",
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"RESUMING_LINKUP", "SUSPENDING", "SUSPENDED"};
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int pm_state = qdf_atomic_read(&gp_hif_rtpm_ctx->pm_state);
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int i;
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seq_printf(s, "%30s: %llu\n", "Current timestamp",
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qdf_get_log_timestamp());
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seq_printf(s, "%30s: %s\n", "Runtime PM state", autopm_state[pm_state]);
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seq_printf(s, "%30s: %llu\n", "Last Busy timestamp",
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gp_hif_rtpm_ctx->stats.last_busy_ts);
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seq_printf(s, "%30s: %ps\n", "Last Busy Marker",
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gp_hif_rtpm_ctx->stats.last_busy_marker);
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seq_puts(s, "Rx busy marker counts:\n");
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seq_printf(s, "%30s: %u %llu\n", hif_rtpm_id_to_string(HIF_RTPM_ID_DP),
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_DP]->last_busy_cnt,
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_DP]->last_busy_ts);
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seq_printf(s, "%30s: %u %llu\n", hif_rtpm_id_to_string(HIF_RTPM_ID_CE),
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_CE]->last_busy_cnt,
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gp_hif_rtpm_ctx->clients[HIF_RTPM_ID_CE]->last_busy_ts);
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HIF_RTPM_STATS(s, gp_hif_rtpm_ctx, last_busy_id);
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if (pm_state == HIF_RTPM_STATE_SUSPENDED) {
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seq_printf(s, "%30s: %llx us\n", "Suspended Since",
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gp_hif_rtpm_ctx->stats.suspend_ts);
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}
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HIF_RTPM_STATS(s, gp_hif_rtpm_ctx, resume_count);
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HIF_RTPM_STATS(s, gp_hif_rtpm_ctx, suspend_count);
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HIF_RTPM_STATS(s, gp_hif_rtpm_ctx, suspend_err_count);
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seq_printf(s, "%30s: %d\n", "PM Usage count",
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hif_rtpm_read_usage_count());
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seq_puts(s, "get put get-timestamp put-timestamp :DBGID_NAME\n");
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for (i = 0; i < HIF_RTPM_ID_MAX; i++) {
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client = gp_hif_rtpm_ctx->clients[i];
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if (!client)
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continue;
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seq_printf(s, "%-10d ", qdf_atomic_read(&client->get_count));
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seq_printf(s, "%-10d ", qdf_atomic_read(&client->put_count));
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seq_printf(s, "0x%-10llx ", client->get_ts);
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seq_printf(s, "0x%-10llx ", client->put_ts);
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seq_printf(s, ":%-2d %-30s\n", i, hif_rtpm_id_to_string(i));
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}
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seq_puts(s, "\n");
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qdf_spin_lock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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if (list_empty(&gp_hif_rtpm_ctx->prevent_list)) {
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qdf_spin_unlock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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return 0;
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}
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seq_printf(s, "%30s: ", "Active Wakeup_Sources");
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list_for_each_entry(ctx, &gp_hif_rtpm_ctx->prevent_list, list) {
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seq_printf(s, "%s", ctx->name);
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seq_puts(s, " ");
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}
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qdf_spin_unlock_bh(&gp_hif_rtpm_ctx->prevent_list_lock);
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seq_puts(s, "\n");
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return 0;
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return hif_rtpm_log_debug_stats((void *)s, HIF_RTPM_FILL_TYPE_DEBUGFS);
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}
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#undef HIF_RTPM_STATS
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@@ -18,6 +18,18 @@
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#ifndef __HIF_RUNTIME_PM_H__
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#define __HIF_RUNTIME_PM_H__
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/**
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* enum hif_rtpm_fill_type - Caller type for Runtime PM stats fill
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* @HIF_RTPM_FILL_TYPE_SYSFS: Sysfs is caller for Runtime PM stats
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* @HIF_RTPM_FILL_TYPE_DEBUGFS: Debugfs is caller for Runtime PM stats
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* @HIF_RTPM_FILL_TYPE_MAX: max value
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*/
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enum hif_rtpm_fill_type {
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HIF_RTPM_FILL_TYPE_SYSFS,
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HIF_RTPM_FILL_TYPE_DEBUGFS,
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HIF_RTPM_FILL_TYPE_MAX,
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};
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#ifdef FEATURE_RUNTIME_PM
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#include <linux/pm_runtime.h>
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@@ -321,10 +333,27 @@ void hif_rtpm_start(struct hif_softc *scn);
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* Return: None
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*/
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void hif_rtpm_stop(struct hif_softc *scn);
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/**
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* hif_rtpm_log_debug_stats() - fill buffer with runtime pm stats
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* @s: pointer to buffer to fill status
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* @type: type of caller
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*
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* Fills input buffer with runtime pm stats depending on caller type.
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*
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* Return: Num of bytes filled if caller type requires, else 0.
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*/
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int hif_rtpm_log_debug_stats(void *s, enum hif_rtpm_fill_type type);
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#else
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static inline void hif_rtpm_open(struct hif_softc *scn) {}
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static inline void hif_rtpm_close(struct hif_softc *scn) {}
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static inline void hif_rtpm_start(struct hif_softc *scn) {}
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static inline void hif_rtpm_stop(struct hif_softc *scn) {}
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static inline int hif_rtpm_log_debug_stats(void *s,
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enum hif_rtpm_fill_type type)
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{
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return 0;
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}
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#endif /* FEATURE_RUNTIME_PM */
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#endif /* __HIF_RUNTIME_PM_H__ */
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