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authorSebastian Reichel <sre@kernel.org>2016-06-17 22:09:10 +0200
committerSebastian Reichel <sre@kernel.org>2016-06-28 00:39:56 +0200
commit604fdfa45886f04ad6070c1b8266c7f4154bc497 (patch)
treefd7f0790d476ba29299529324acdf74a45c24a14 /drivers/hsi
parentd2b8d695c61c4d2864eee900bebc2ced4f425645 (diff)
HSI: omap_ssi_port: ensure clocks are kept enabled during transfer
ensure, that clocks remain enabled, when a transfer is started. Signed-off-by: Sebastian Reichel <sre@kernel.org> Tested-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/hsi')
-rw-r--r--drivers/hsi/controllers/omap_ssi_port.c2
1 files changed, 2 insertions, 0 deletions
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)

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