lkml.org 
[lkml]   [2016]   [Jun]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC 16/19] HSI: omap_ssi_port: ensure clocks are kept enabled during transfer
Date
ensure, that clocks remain enabled, when a transfer is started.

Signed-off-by: Sebastian Reichel <sre@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
\
 
 \ /
  Last update: 2016-06-18 19:21    [W:0.179 / U:0.556 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site