michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: remove arm's qemu systick workaround

Browse source 
Removed workarounds in systick driver as they prevent normal usage in
TICKLESS systems. Driver still behaved like an interrupt based ticker.

Signed-off-by: Andrei Gansari <andrei.gansari@nxp.com>
This commit is contained in:
Andrei Gansari 2019-09-09 17:27:53 +03:00 • committed by Anas Nashif
commit 2adccabf6a
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/timer/cortex_m_systick.c
View file

@ -29,8 +29,7 @@ void z_arm_exc_exit(void);
*/ */
#define MIN_DELAY MAX(1024, (CYC_PER_TICK/16)) #define MIN_DELAY MAX(1024, (CYC_PER_TICK/16))
#define TICKLESS (IS_ENABLED(CONFIG_TICKLESS_KERNEL) && \ #define TICKLESS (IS_ENABLED(CONFIG_TICKLESS_KERNEL))
!IS_ENABLED(CONFIG_QEMU_TICKLESS_WORKAROUND))
/* VAL value above which we assume that a subsequent COUNTFLAG /* VAL value above which we assume that a subsequent COUNTFLAG
* overflow seen in CTRL is real and not an artifact of wraparound * overflow seen in CTRL is real and not an artifact of wraparound
@ -126,7 +125,7 @@ void z_clock_set_timeout(s32_t ticks, bool idle)
return; return;
} }
#if defined(CONFIG_TICKLESS_KERNEL) && !defined(CONFIG_QEMU_TICKLESS_WORKAROUND) #if defined(CONFIG_TICKLESS_KERNEL)
u32_t delay; u32_t delay;
ticks = MIN(MAX_TICKS, MAX(ticks - 1, 0)); ticks = MIN(MAX_TICKS, MAX(ticks - 1, 0));