blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-13 19:19:10 -04:00
Code Issues Projects Releases Wiki Activity

Merge branch 'bugfix/remove_redundant_other_core_cache_disable_v4.2' into 'release/v4.2'

Browse Source 
[system]: Remove redundant othercore cache disable (backport v4.2)

See merge request espressif/esp-idf!13357
This commit is contained in:
Jiang Jiang Jian 2021-05-25 09:05:33 +00:00
commit bab80796ca
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
components/spi_flash/cache_utils.c
View File

@ -131,9 +131,9 @@ void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu(void)
// Scheduler hasn't been started yet, it means that spi_flash API is being
// called from the 2nd stage bootloader or from user_start_cpu0, i.e. from
// PRO CPU. APP CPU is either in reset or spinning inside user_start_cpu1,
// which is in IRAM. So it is safe to disable cache for the other_cpuid here.
// which is in IRAM. So it is safe to disable cache for the other_cpuid after
// esp_intr_noniram_disable.
assert(other_cpuid == 1);
spi_flash_disable_cache(other_cpuid, &s_flash_op_cache_state[other_cpuid]);
} else {
// Temporarily raise current task priority to prevent a deadlock while
// waiting for IPC task to start on the other CPU