[RFC 16/19] HSI: omap_ssi_port: ensure clocks are kept enabled during transfer

[Sebastian Reichel]

ensure, that clocks remain enabled, when a transfer is started.

Signed-off-by: Sebastian Reichel <s...@kernel.org>
---
 drivers/hsi/controllers/omap_ssi_port.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hsi/controllers/omap_ssi_port.c 
b/drivers/hsi/controllers/omap_ssi_port.c
index aef5a8666d48..f91c6a4bb1a5 100644
--- a/drivers/hsi/controllers/omap_ssi_port.c
+++ b/drivers/hsi/controllers/omap_ssi_port.c
@@ -645,6 +645,7 @@ static void ssi_transfer(struct omap_ssi_port *omap_port,
        struct hsi_msg *msg;
        int err = -1;
 
+       pm_runtime_get(omap_port->pdev);
        spin_lock_bh(&omap_port->lock);
        while (err < 0) {
                err = ssi_start_transfer(queue);
@@ -659,6 +660,7 @@ static void ssi_transfer(struct omap_ssi_port *omap_port,
                }
        }
        spin_unlock_bh(&omap_port->lock);
+       pm_runtime_put(omap_port->pdev);
 }
 
 static void ssi_cleanup_queues(struct hsi_client *cl)
-- 
2.8.1