From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
The code loops multiple times to deal with pending interrupts, but we
never reset the slave_notify status.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
drivers/soundwire/bus.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 45131b9f5080..d6e646521819 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -1425,7 +1425,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
u8 clear = 0, bit, port_status[15] = {0};
int port_num, stat, ret, count = 0;
unsigned long port;
- bool slave_notify = false;
+ bool slave_notify;
u8 sdca_cascade = 0;
u8 buf, buf2[2], _buf, _buf2[2];
bool parity_check;
@@ -1467,6 +1467,8 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
}
do {
+ slave_notify = false;
+
/*
* Check parity, bus clash and Slave (impl defined)
* interrupt
--
2.17.1
