Module Name: src
Committed By: bouyer
Date: Mon Sep 19 11:21:36 UTC 2022
Modified Files:
src/sys/arch/arm/sunxi: sunxi_can.c
Log Message:
Don't process RX if SUNXI_CAN_INT_DATA_OR is pending. Seems to fix occasional
RX stalls
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/arm/sunxi/sunxi_can.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/sunxi/sunxi_can.c
diff -u src/sys/arch/arm/sunxi/sunxi_can.c:1.9 src/sys/arch/arm/sunxi/sunxi_can.c:1.10
--- src/sys/arch/arm/sunxi/sunxi_can.c:1.9 Sun Sep 18 15:28:01 2022
+++ src/sys/arch/arm/sunxi/sunxi_can.c Mon Sep 19 11:21:36 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_can.c,v 1.9 2022/09/18 15:28:01 thorpej Exp $ */
+/* $NetBSD: sunxi_can.c,v 1.10 2022/09/19 11:21:36 bouyer Exp $ */
/*-
* Copyright (c) 2017,2018 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: sunxi_can.c,v 1.9 2022/09/18 15:28:01 thorpej Exp $");
+__KERNEL_RCSID(1, "$NetBSD: sunxi_can.c,v 1.10 2022/09/19 11:21:36 bouyer Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -387,7 +387,8 @@ sunxi_can_intr(void *arg)
if (irq & SUNXI_CAN_INT_TX_FLAG) {
sunxi_can_tx_intr(sc);
}
- if (irq & SUNXI_CAN_INT_RX_FLAG) {
+ if ((irq & (SUNXI_CAN_INT_RX_FLAG | SUNXI_CAN_INT_DATA_OR)) ==
+ SUNXI_CAN_INT_RX_FLAG) {
while (sts & SUNXI_CAN_STA_RX_RDY) {
sunxi_can_rx_intr(sc);
sts = sunxi_can_read(sc, SUNXI_CAN_STA_REG);
