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qcacld-3.0: Expose timer multiplier via module param

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The timer multiplier is currently controlled via ini configuration.
However, there are several timers which are started before the
configuration can be applied during SoC probe. Add a module parameter
that allows controlling the timer multiplier both at load time and at
run time.

Change-Id: I34a8511c1900a722030374b881a73adc9c5fee19
CRs-Fixed: 2421716
This commit is contained in:
Dustin Brown 2019-03-22 11:18:13 -07:00 • committed by nshrivas
commit 4bbd546f61
1 changed files with 36 additions and 1 deletions
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37
core/hdd/src/wlan_hdd_main.c
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@ -9533,7 +9533,10 @@ struct hdd_context *hdd_context_create(struct device *dev)
hdd_cfg_params_init(hdd_ctx);
qdf_timer_set_multiplier(cfg_get(hdd_ctx->psoc, CFG_TIMER_MULTIPLIER));
/* apply multiplier config, if not already set via module parameter */
if (qdf_timer_get_multiplier() == 1)
qdf_timer_set_multiplier(cfg_get(hdd_ctx->psoc,
CFG_TIMER_MULTIPLIER));
hdd_debug("set timer multiplier: %u", qdf_timer_get_multiplier());
cds_set_fatal_event(cfg_get(hdd_ctx->psoc,
@ -15067,3 +15070,35 @@ module_param(enable_dfs_chan_scan, int, S_IRUSR | S_IRGRP | S_IROTH);
module_param(enable_11d, int, S_IRUSR | S_IRGRP | S_IROTH);
module_param(country_code, charp, S_IRUSR | S_IRGRP | S_IROTH);
static int timer_multiplier_get_handler(char *buffer,
const struct kernel_param *kp)
{
return scnprintf(buffer, PAGE_SIZE, "%u", qdf_timer_get_multiplier());
}
static int timer_multiplier_set_handler(const char *kmessage,
const struct kernel_param *kp)
{
QDF_STATUS status;
uint32_t scalar;
status = qdf_uint32_parse(kmessage, &scalar);
if (QDF_IS_STATUS_ERROR(status))
return qdf_status_to_os_return(status);
if (!cfg_in_range(CFG_TIMER_MULTIPLIER, scalar))
return -ERANGE;
qdf_timer_set_multiplier(scalar);
return 0;
}
static const struct kernel_param_ops timer_multiplier_ops = {
.get = timer_multiplier_get_handler,
.set = timer_multiplier_set_handler,
};
module_param_cb(timer_multiplier, &timer_multiplier_ops, NULL, 0644);