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cyclic: Introduce schedule() function

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This patch introduces a schedule() function, which shall be used instead
of the old WATCHDOG_RESET. Follow-up patches will make sure, that this
new function is used.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Tom Rini <trini@konsulko.com> [am335x_evm, mx6cuboxi, rpi_3,dra7xx_evm, pine64_plus, am65x_evm, j721e_evm]
This commit is contained in:
Stefan Roese 2022-09-02 14:10:45 +02:00
parent c2fd0ca1a8
commit 881d410825
2 changed files with 28 additions and 0 deletions
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16
common/cyclic.c
View file

@ -18,6 +18,8 @@
DECLARE_GLOBAL_DATA_PTR;
void hw_watchdog_reset(void);
struct list_head *cyclic_get_list(void)
{
return &gd->cyclic->cyclic_list;
@ -96,6 +98,20 @@ void cyclic_run(void)
gd->cyclic->cyclic_running = false;
}
void schedule(void)
{
/* The HW watchdog is not integrated into the cyclic IF (yet) */
if (IS_ENABLED(CONFIG_HW_WATCHDOG))
hw_watchdog_reset();
/*
* schedule() might get called very early before the cyclic IF is
* ready. Make sure to only call cyclic_run() when it's initalized.
*/
if (gd && gd->cyclic && gd->cyclic->cyclic_ready)
cyclic_run();
}
int cyclic_uninit(void)
{
struct cyclic_info *cyclic, *tmp;

12
include/cyclic.h
View file

@ -106,6 +106,14 @@ struct list_head *cyclic_get_list(void);
* needs to be executed, then call into these registered functions.
*/
void cyclic_run(void);
/**
* schedule() - Schedule all potentially waiting tasks
*
* Basically a wrapper for cyclic_run(), pontentially enhanced by some
* other parts, that need to get handled periodically.
*/
void schedule(void);
#else
static inline struct cyclic_info *cyclic_register(cyclic_func_t func,
uint64_t delay_us,
@ -124,6 +132,10 @@ static inline void cyclic_run(void)
{
}
static inline void schedule(void)
{
}
static inline int cyclic_init(void)
{
return 0;