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msm-perf: Extended support for perf notification

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Added support for passing init info from userspace

Change-Id: Ica31b6ed19e6536dadd36b35b31e5202da75490f
Signed-off-by: richagar <richagar@codeaurora.org>
This commit is contained in:
richagar 2020-09-23 14:22:59 +05:30
commit 27bee16a2f
1 changed files with 31 additions and 3 deletions
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34
drivers/soc/qcom/msm_performance.c
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@ -36,6 +36,7 @@
#define QUEUE_POOL_SIZE 512 /*2^8 always keep in 2^x */
#define INST_EV 0x08 /* 0th event*/
#define CYC_EV 0x11 /* 1st event*/
#define INIT "Init"
static DEFINE_PER_CPU(bool, cpu_is_idle);
static DEFINE_PER_CPU(bool, cpu_is_hp);
@ -964,15 +965,42 @@ module_param_cb(evnt_gplaf_pid, &param_ops_game_start_pid, NULL, 0644);
/*******************************GFX Call************************************/
static bool splh_notif;
static int splh_notif;
static void init_splh_notif(const char *buf)
{
/*buf contains the init info from user*/
if (buf == NULL)
return;
pr_debug("msm_perf:Init info for scroll :: %s\n", buf);
}
static void activate_splh_notif(void)
{
/*received event notification here*/
}
static int set_splh_notif(const char *buf, const struct kernel_param *kp)
{
return param_set_bool(buf, kp);
int ret;
if (strnstr(buf, INIT, sizeof(INIT)) != NULL) {
init_splh_notif(buf);
return 0;
}
ret = param_set_int(buf, kp);
if (ret < 0)
return ret;
activate_splh_notif();
return ret;
}
static const struct kernel_param_ops param_ops_splh_notification = {
.set = set_splh_notif,
.get = param_get_bool,
.get = param_get_int,
};
module_param_cb(splh_notif, &param_ops_splh_notification, &splh_notif, 0644);