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Commit c940e01c authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq: Replace dynamic_irq_init/cleanup 



Create a new interface and confine it with a config switch which makes
clear that this is just legacy support and not to be used for new code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarGrant Likely <grant.likely@linaro.org>
Tested-by: default avatarTony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140507154340.574437049@linutronix.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 1d008353

include/linux/irq.h

+4 −0
Original line number Diff line number Diff line
@@ -637,6 +637,10 @@ int arch_setup_hwirq(unsigned int irq, int node); 
void arch_teardown_hwirq(unsigned int irq);

#endif



#ifdef CONFIG_GENERIC_IRQ_LEGACY

void irq_init_desc(unsigned int irq);

#endif



#ifndef irq_reg_writel

# define irq_reg_writel(val, addr)	writel(val, addr)

#endif

kernel/irq/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -5,6 +5,10 @@ menu "IRQ subsystem" 
config MAY_HAVE_SPARSE_IRQ

       bool



# Legacy support, required for itanic

config GENERIC_IRQ_LEGACY

       bool



# Enable the generic irq autoprobe mechanism

config GENERIC_IRQ_PROBE

	bool

kernel/irq/irqdesc.c

+7 −0
Original line number Diff line number Diff line
@@ -306,6 +306,13 @@ void irq_mark_irq(unsigned int irq) 
	mutex_unlock(&sparse_irq_lock);

}



#ifdef CONFIG_GENERIC_IRQ_LEGACY

void irq_init_desc(unsigned int irq)

{

	dynamic_irq_cleanup(irq);

}

#endif



#endif /* !CONFIG_SPARSE_IRQ */



/**