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boottime: reduce boot time [1/1]

Browse Source 
PD#SWPL-71744

Problem:
1.Jitter rng is doing 1024 rounds of tests and causing
long initialization time.

Solution:
1.change jent_mod_int to delaywork to reduce boot time.

Verify:
c2_af400

Signed-off-by: song.han <song.han@amlogic.com>
Change-Id: I90e67854b213dd673077c72bb4830264d17f1f88
This commit is contained in:
song.han
2022-02-23 14:20:28 +08:00
committed by Dongjin Kim
parent 27c28eb41f
commit 5403315509
1 changed files with 27 additions and 0 deletions
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27
crypto/jitterentropy-kcapi.c
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@@ -197,6 +197,7 @@ static struct rng_alg jent_alg = {
}
};
#if !IS_ENABLED(CONFIG_AMLOGIC_BOOT_TIME)
static int __init jent_mod_init(void)
{
int ret = 0;
@@ -208,6 +209,32 @@ static int __init jent_mod_init(void)
}
return crypto_register_rng(&jent_alg);
}
#else
static struct delayed_work jent_work;
static void __jent_mod_init(struct work_struct *work)
{
int ret = 0;
ret = jent_entropy_init();
if (ret) {
pr_info("jitterentropy: Initialization failed with : %d\n", ret);
return;
}
ret = crypto_register_rng(&jent_alg);
if (ret) {
pr_err("registering jent_alg failed: %d\n", ret);
return;
}
}
static int __init jent_mod_init(void)
{
INIT_DELAYED_WORK(&jent_work, __jent_mod_init);
schedule_delayed_work(&jent_work, msecs_to_jiffies(1000));
return 0;
}
#endif
static void __exit jent_mod_exit(void)
{