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debug: vuart: fix interrupt ID for data receiving 

When RX FIFO is not empty and Receive Data Available interrupt is
enabled, vUART should report a Receive Data Available (IIR_RXRDY) in IIR
instead of a Timeout Interrupt Pending (IIR_RXTOUT).

Tracked-On: #8583
Signed-off-by: Qiang Zhang <qiang4.zhang@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
This commit is contained in:
Qiang Zhang 2024-04-17 14:50:30 +08:00 committed by acrnsi-robot
parent c623e11125
commit 629808c767
1 changed files with 1 additions and 1 deletions
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2
hypervisor/dm/vuart.c
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@ -138,7 +138,7 @@ static uint8_t vuart_intr_reason(const struct acrn_vuart *vu)
if (((vu->lsr & (LSR_OE | LSR_BI)) != 0U) && ((vu->ier & IER_ELSI) != 0U)) {
ret = IIR_RLS;
} else if ((fifo_numchars(&vu->rxfifo) > 0U) && ((vu->ier & IER_ERBFI) != 0U)) {
ret = IIR_RXTOUT;
ret = IIR_RXRDY;
} else if (vu->thre_int_pending && ((vu->ier & IER_ETBEI) != 0U)) {
ret = IIR_TXRDY;
} else if(((vu->msr & MSR_DELTA_MASK) != 0U) && ((vu->ier & IER_EMSC) != 0U)) {