* Linux 5.5.13
@ 2020-03-25 17:44 Greg KH
2020-03-25 17:44 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Greg KH @ 2020-03-25 17:44 UTC (permalink / raw)
To: linux-kernel, Andrew Morton, torvalds, stable; +Cc: lwn, Jiri Slaby
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I'm announcing the release of the 5.5.13 kernel.
All users of the 5.5 kernel series must upgrade.
The updated 5.5.y git tree can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.5.y
and can be browsed at the normal kernel.org git web browser:
https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
thanks,
greg k-h
------------
Makefile | 2 +-
drivers/base/core.c | 4 +++-
include/linux/device.h | 11 +++++++++++
3 files changed, 15 insertions(+), 2 deletions(-)
Greg Kroah-Hartman (1):
Linux 5.5.13
Saravana Kannan (2):
driver core: Add dev_has_sync_state()
driver core: Skip unnecessary work when device doesn't have sync_state()
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Linux 5.5.13
2020-03-25 17:44 Linux 5.5.13 Greg KH
@ 2020-03-25 17:44 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2020-03-25 17:44 UTC (permalink / raw)
To: linux-kernel, Andrew Morton, torvalds, stable; +Cc: lwn, Jiri Slaby
diff --git a/Makefile b/Makefile
index d962fe0f26ce..d1574c99f83c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 5
-SUBLEVEL = 12
+SUBLEVEL = 13
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 3306d5ae92a6..dbb0f9130f42 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -718,6 +718,8 @@ static void __device_links_queue_sync_state(struct device *dev,
{
struct device_link *link;
+ if (!dev_has_sync_state(dev))
+ return;
if (dev->state_synced)
return;
@@ -819,7 +821,7 @@ late_initcall(sync_state_resume_initcall);
static void __device_links_supplier_defer_sync(struct device *sup)
{
- if (list_empty(&sup->links.defer_sync))
+ if (list_empty(&sup->links.defer_sync) && dev_has_sync_state(sup))
list_add_tail(&sup->links.defer_sync, &deferred_sync);
}
diff --git a/include/linux/device.h b/include/linux/device.h
index 96ff76731e93..50d97767d8d6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1522,6 +1522,17 @@ static inline struct device_node *dev_of_node(struct device *dev)
void driver_init(void);
+static inline bool dev_has_sync_state(struct device *dev)
+{
+ if (!dev)
+ return false;
+ if (dev->driver && dev->driver->sync_state)
+ return true;
+ if (dev->bus && dev->bus->sync_state)
+ return true;
+ return false;
+}
+
/*
* High level routines for use by the bus drivers
*/
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