lkml.org 
[lkml]   [2019]   [Nov]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 14/19] soundwire: intel: disable pm_runtime when removing a master
Date
Prevent race conditions between remove and resume by disabling
pm_runtime.

Note that this only takes care of pm_runtime at the Master level, the
same precautions are needed when removing a Slave device.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
drivers/soundwire/intel.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 36e09e273eda..f0f9a6252522 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1275,6 +1275,8 @@ static int intel_master_remove(struct sdw_master_device *md)
{
struct sdw_intel *sdw;

+ pm_runtime_disable(&md->dev);
+
sdw = md->pdata;

if (!sdw->cdns.bus.prop.hw_disabled) {
--
2.20.1
\
 
 \ /
  Last update: 2019-11-06 20:23    [W:0.082 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site