From 6885770e4736b234e65f57840ff8f74a1165a7e0 Mon Sep 17 00:00:00 2001 From: Dmitry Derevyanko Date: Sun, 7 Apr 2024 17:39:30 +0300 Subject: [PATCH] Uart tx irq handling fix --- litex/soc/software/libbase/uart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/litex/soc/software/libbase/uart.c b/litex/soc/software/libbase/uart.c index 20a4dc271..4f3e69420 100644 --- a/litex/soc/software/libbase/uart.c +++ b/litex/soc/software/libbase/uart.c @@ -49,11 +49,11 @@ void uart_isr(void) } if(stat & UART_EV_TX) { - uart_ev_pending_write(UART_EV_TX); while((tx_consume != tx_produce) && !uart_txfull_read()) { uart_rxtx_write(tx_buf[tx_consume]); tx_consume = (tx_consume + 1) & UART_RINGBUFFER_MASK_TX; } + uart_ev_pending_write(UART_EV_TX); } }