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Commit f9f91ef5 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

h8300: Convert interrupt handling to flow handler 



__do_IRQ is deprecated so h8300 needs to be converted to proper flow
handling. The irq chip is simple and does not required any
mask/ack/eoi functions, so we can use handle_simple_irq.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Paul Mundt <lethal@linux-sh.org>
parent 12174aac

arch/h8300/kernel/irq.c

+3 −12
Original line number Diff line number Diff line
@@ -50,10 +50,6 @@ static void h8300_disable_irq(struct irq_data *data) 
		IER_REGS &= ~(1 << (data->irq - EXT_IRQ0));

}



static void h8300_end_irq(unsigned int irq)

{

}



static unsigned int h8300_startup_irq(struct irq_data *data)

{

	if (is_ext_irq(data->irq))
@@ -77,7 +73,6 @@ struct irq_chip h8300irq_chip = { 
	.irq_shutdown	= h8300_shutdown_irq,

	.irq_enable	= h8300_enable_irq,

	.irq_disable	= h8300_disable_irq,

	.end		= h8300_end_irq,

};



#if defined(CONFIG_RAMKERNEL)
@@ -159,18 +154,14 @@ void __init init_IRQ(void) 


	setup_vector();



	for (c = 0; c < NR_IRQS; c++) {

		irq_desc[c].status = IRQ_DISABLED;

		irq_desc[c].action = NULL;

		irq_desc[c].depth = 1;

		irq_desc[c].chip = &h8300irq_chip;

	}

	for (c = 0; c < NR_IRQS; c++)

		set_irq_chip_and_handler(c, &h8300irq_chip, handle_simple_irq);

}



asmlinkage void do_IRQ(int irq)

{

	irq_enter();

	__do_IRQ(irq);

	generic_handle_irq(irq);

	irq_exit();

}