platform/mellanox: Fix mlxbf-tmfifo not handling all virtio CONSOLE notifications

[ Upstream commit 0848cab765c634597636810bf76d0934003cce28 ]

rshim console does not show all entries of dmesg.

Fixed by setting MLXBF_TM_TX_LWM_IRQ for every CONSOLE notification.

Signed-off-by: Shih-Yi Chen <shihyic@nvidia.com>
Reviewed-by: Liming Sung <limings@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20230821150627.26075-1-shihyic@nvidia.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index b2e19f30a928bdb3095514df9efd1745a3c11ccc..d31fe7eed38df9e88bf1d0c7cb821a9c3a0d5bad 100644 (file)
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -868,6 +868,7 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue *vq)
                        tm_vdev = fifo->vdev[VIRTIO_ID_CONSOLE];
                        mlxbf_tmfifo_console_output(tm_vdev, vring);
                        spin_unlock_irqrestore(&fifo->spin_lock[0], flags);
+                       set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events);
                } else if (test_and_set_bit(MLXBF_TM_TX_LWM_IRQ,
                                            &fifo->pend_events)) {
                        return true;