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Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/bus.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 30b0bed16630..09185e5cfd70 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -1362,6 +1362,8 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
unsigned long port;
bool slave_notify = false;
u8 buf, buf2[2], _buf, _buf2[2];
+ bool parity_check;
+ bool parity_quirk;
sdw_modify_slave_status(slave, SDW_SLAVE_ALERT);
@@ -1394,7 +1396,11 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
* interrupt
*/
if (buf & SDW_SCP_INT1_PARITY) {
- if (slave->prop.scp_int1_mask & SDW_SCP_INT1_PARITY)
+ parity_check = slave->prop.scp_int1_mask & SDW_SCP_INT1_PARITY;
+ parity_quirk = !slave->first_interrupt_done &&
+ (slave->prop.quirks & SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY);
+
+ if (parity_check && !parity_quirk)
dev_err(&slave->dev, "Parity error detected\n");
clear |= SDW_SCP_INT1_PARITY;
}