linux-kernel - linux-next: build failure after merge of the pm tree

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Date:   Thu, 4 Jul 2019 19:41:14 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: linux-next: build failure after merge of the pm tree

Hi all,

After merging the pm tree, today's linux-next build (x86_64 allnoconfig)
failed like this:

In file included from kernel/power/qos.c:33:
include/linux/pm_qos.h: In function 'dev_pm_qos_read_value':
include/linux/pm_qos.h:205:9: error: expected '(' before 'type'
  switch type {
         ^~~~
         (
include/linux/pm_qos.h:205:9: warning: statement with no effect [-Wunused-value]
  switch type {
         ^~~~
include/linux/pm_qos.h:216:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
include/linux/pm_qos.h: At top level:
include/linux/pm_qos.h:231:4: error: expected identifier or '(' before '{' token
    { return 0; }
    ^
In file included from kernel/power/qos.c:33:
include/linux/pm_qos.h:228:19: warning: 'dev_pm_qos_add_notifier' declared 'static' but never defined [-Wunused-function]
 static inline int dev_pm_qos_add_notifier(struct device *dev,
                   ^~~~~~~~~~~~~~~~~~~~~~~

Caused by commits

  024a47a2732d ("PM / QOS: Pass request type to dev_pm_qos_{add|remove}_notifier()")
  57fa6137402b ("PM / QOS: Pass request type to dev_pm_qos_read_value()")

I applied the following fix patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 4 Jul 2019 19:36:25 +1000
Subject: [PATCH] PM / QOS: fix typos

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/pm_qos.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 17132b10b233..2aebbc5b9950 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -202,7 +202,7 @@ static inline s32 __dev_pm_qos_resume_latency(struct device *dev)
 static inline s32 dev_pm_qos_read_value(struct device *dev,
 					enum dev_pm_qos_req_type type)
 {
-	switch type {
+	switch (type) {
 	case DEV_PM_QOS_RESUME_LATENCY:
 		return PM_QOS_RESUME_LATENCY_NO_CONSTRAINT;
 	case DEV_PM_QOS_MIN_FREQUENCY:
@@ -227,7 +227,7 @@ static inline int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
 			{ return 0; }
 static inline int dev_pm_qos_add_notifier(struct device *dev,
 					  struct notifier_block *notifier,
-					  enum dev_pm_qos_req_type type);
+					  enum dev_pm_qos_req_type type)
 			{ return 0; }
 static inline int dev_pm_qos_remove_notifier(struct device *dev,
 					     struct notifier_block *notifier,
-- 
2.20.1

-- 
Cheers,
Stephen Rothwell

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