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Message-Id: <201201092314.20561.rjw@sisk.pl>
Date: Mon, 9 Jan 2012 23:14:20 +0100
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: Kukjin Kim <kgene.kim@...sung.com>
Cc: linux-kernel@...r.kernel.org,
Linus <torvalds@...ux-foundation.org>,
linux-samsung-soc@...r.kernel.org
Subject: Re: Build error at drivers/base/power/domain_governor.c when PM_RUNTIME is not set
On Monday, January 09, 2012, Kukjin Kim wrote:
> Hi Rafael,
>
> This is just reporting of build error.
>
> Current mainline happens build error at drivers/base/power/domain_governor.c
> file like following when CONFIG_PM_RUNTIME is not set. For example, it
> happens with s3c6400_defconfig now.
>
> drivers/base/power/domain_governor.c: In function 'default_stop_ok':
> drivers/base/power/domain_governor.c:25: error: 'struct dev_pm_info' has no
> member named 'max_time_suspended_ns'
> drivers/base/power/domain_governor.c:29: error: 'struct dev_pm_info' has no
> member named 'max_time_suspended_ns'
> drivers/base/power/domain_governor.c: In function 'default_power_down_ok':
> drivers/base/power/domain_governor.c:94: error: 'struct dev_pm_info' has no
> member named 'max_time_suspended_ns'
> drivers/base/power/domain_governor.c:98: error: 'struct dev_pm_info' has no
> member named 'max_time_suspended_ns'
> drivers/base/power/domain_governor.c:100: error: 'struct dev_pm_info' has no
> member named 'suspend_time'
The appended patch fixes the problem for me, can you please test it?
Rafael
---
drivers/base/power/domain_governor.c | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
Index: linux/drivers/base/power/domain_governor.c
===================================================================
--- linux.orig/drivers/base/power/domain_governor.c
+++ linux/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
#include <linux/pm_qos.h>
#include <linux/hrtimer.h>
+#ifdef CONFIG_PM_RUNTIME
+
/**
* default_stop_ok - Default PM domain governor routine for stopping devices.
* @dev: Device to check.
@@ -137,16 +139,28 @@ static bool default_power_down_ok(struct
return true;
}
-struct dev_power_governor simple_qos_governor = {
- .stop_ok = default_stop_ok,
- .power_down_ok = default_power_down_ok,
-};
-
static bool always_on_power_down_ok(struct dev_pm_domain *domain)
{
return false;
}
+#else /* !CONFIG_PM_RUNTIME */
+
+bool default_stop_ok(struct device *dev)
+{
+ return false;
+}
+
+#define default_power_down_ok NULL
+#define always_on_power_down_ok NULL
+
+#endif /* !CONFIG_PM_RUNTIME */
+
+struct dev_power_governor simple_qos_governor = {
+ .stop_ok = default_stop_ok,
+ .power_down_ok = default_power_down_ok,
+};
+
/**
* pm_genpd_gov_always_on - A governor implementing an always-on policy
*/
--
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