From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 22 Oct 2013 17:44:58 +0000 (+0200)
Subject: uart_isr: fix interrupts clear
X-Git-Tag: 24jan2021_ls180~2828
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e7c72a826c1d9180bfe9dcd5c6eae6072dd8af3d;p=litex.git

uart_isr: fix interrupts clear
---

diff --git a/software/libbase/uart.c b/software/libbase/uart.c
index dc11d3e7..5b88569b 100644
--- a/software/libbase/uart.c
+++ b/software/libbase/uart.c
@@ -33,9 +33,11 @@ void uart_isr(void)
 	if(stat & UART_EV_RX) {
 		rx_buf[rx_produce] = uart_rxtx_read();
 		rx_produce = (rx_produce + 1) & UART_RINGBUFFER_MASK_RX;
+		uart_ev_pending_write(UART_EV_RX);
 	}
 
 	if(stat & UART_EV_TX) {
+		uart_ev_pending_write(UART_EV_TX);
 		if(tx_level > 0) {
 			uart_rxtx_write(tx_buf[tx_consume]);
 			tx_consume = (tx_consume + 1) & UART_RINGBUFFER_MASK_TX;
@@ -43,8 +45,6 @@ void uart_isr(void)
 		} else
 			tx_cts = 1;
 	}
-
-	uart_ev_pending_write(stat);
 }
 
 /* Do not use in interrupt handlers! */