[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sun, 11 Nov 2018 19:49:05 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org,
"Anssi Hannula" <anssi.hannula@...wise.fi>,
"Michal Simek" <michal.simek@...inx.com>,
"Marc Kleine-Budde" <mkl@...gutronix.de>
Subject: [PATCH 3.16 285/366] can: xilinx_can: fix RX overflow interrupt
not being enabled
3.16.61-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Anssi Hannula <anssi.hannula@...wise.fi>
commit 83997997252f5d3fc7f04abc24a89600c2b504ab upstream.
RX overflow interrupt (RXOFLW) is disabled even though xcan_interrupt()
processes it. This means that an RX overflow interrupt will only be
processed when another interrupt gets asserted (e.g. for RX/TX).
Fix that by enabling the RXOFLW interrupt.
Fixes: b1201e44f50b ("can: xilinx CAN controller support")
Signed-off-by: Anssi Hannula <anssi.hannula@...wise.fi>
Cc: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
drivers/net/can/xilinx_can.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -103,7 +103,7 @@ enum xcan_reg {
#define XCAN_INTR_ALL (XCAN_IXR_TXOK_MASK | XCAN_IXR_BSOFF_MASK |\
XCAN_IXR_WKUP_MASK | XCAN_IXR_SLP_MASK | \
XCAN_IXR_RXNEMP_MASK | XCAN_IXR_ERROR_MASK | \
- XCAN_IXR_ARBLST_MASK)
+ XCAN_IXR_RXOFLW_MASK | XCAN_IXR_ARBLST_MASK)
/* CAN register bit shift - XCAN_<REG>_<BIT>_SHIFT */
#define XCAN_BTR_SJW_SHIFT 7 /* Synchronous jump width */
Powered by blists - more mailing lists