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HSI: omap_ssi_port: ensure clocks are kept enabled during transfer

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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>
This commit is contained in:
Sebastian Reichel 2016-06-17 22:09:10 +02:00
parent d2b8d695c6
commit 604fdfa458
1 changed files with 2 additions and 0 deletions
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2
drivers/hsi/controllers/omap_ssi_port.c
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@ -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)