PM: Add empty suspend/resume device irq functions
git commit 0a0c5168
"PM: Introduce functions for suspending and resuming
device interrupts" introduced some helper functions. However these
functions are only available for architectures which support
GENERIC_HARDIRQS.
Other architectures will see this build error:
drivers/built-in.o: In function `sysdev_suspend':
(.text+0x15138): undefined reference to `check_wakeup_irqs'
drivers/built-in.o: In function `device_power_up':
(.text+0x1cb66): undefined reference to `resume_device_irqs'
drivers/built-in.o: In function `device_power_down':
(.text+0x1cb92): undefined reference to `suspend_device_irqs'
To fix this add some empty inline functions for !GENERIC_HARDIRQS.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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@ -183,6 +183,7 @@ extern void disable_irq(unsigned int irq);
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extern void enable_irq(unsigned int irq);
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/* The following three functions are for the core kernel use only. */
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#ifdef CONFIG_GENERIC_HARDIRQS
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extern void suspend_device_irqs(void);
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extern void resume_device_irqs(void);
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#ifdef CONFIG_PM_SLEEP
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@ -190,6 +191,11 @@ extern int check_wakeup_irqs(void);
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#else
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static inline int check_wakeup_irqs(void) { return 0; }
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#endif
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#else
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static inline void suspend_device_irqs(void) { };
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static inline void resume_device_irqs(void) { };
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static inline int check_wakeup_irqs(void) { return 0; }
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#endif
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#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
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