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add hint/question with ISB

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hathach
2021-11-04 12:42:28 +07:00
parent 4a8ac71711
commit 6cfdf697eb
1 changed files with 2 additions and 2 deletions
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4
src/portable/synopsys/dwc2/dwc2_bcm.h
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@@ -47,7 +47,7 @@ static inline void dwc2_dcd_int_enable(uint8_t rhport)
{
(void) rhport;
BP_EnableIRQ(USB_IRQn);
__asm__ volatile("isb");
__asm__ volatile("isb"); // needed if TIMER1 IRQ is not enabled !?
}
TU_ATTR_ALWAYS_INLINE
@@ -55,7 +55,7 @@ static inline void dwc2_dcd_int_disable (uint8_t rhport)
{
(void) rhport;
BP_DisableIRQ(USB_IRQn);
__asm__ volatile("isb");
__asm__ volatile("isb"); // needed if TIMER1 IRQ is not enabled !?
}
static inline void dwc2_remote_wakeup_delay(void)