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Commit 6eb6f983 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: hd6446x: Convert to sparseirq. 



Follows the se7724 change and converts the hd64461 IRQ handling to
sparseirq.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c7a96727

arch/sh/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -731,7 +731,7 @@ config GUSA_RB 
config SPARSE_IRQ

	def_bool y

	depends on SUPERH32 && !SH_DREAMCAST && !SH_HIGHLANDER && \

		   !SH_RTS7751R2D && !HD64461

		   !SH_RTS7751R2D

	help

	  This enables support for sparse irqs. This is useful in general

	  as most CPUs have a fairly sparse array of IRQ vectors, which

arch/sh/cchips/hd6446x/hd64461.c

+19 −2
Original line number Diff line number Diff line
@@ -73,7 +73,7 @@ static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc) 


int __init setup_hd64461(void)

{

	int i;

	int i, nid = cpu_to_node(boot_cpu_data);



	if (!MACH_HD64461)

		return 0;
@@ -90,9 +90,26 @@ int __init setup_hd64461(void) 
	__raw_writew(0xffff, HD64461_NIMR);



	/*  IRQ 80 -> 95 belongs to HD64461  */

	for (i = HD64461_IRQBASE; i < HD64461_IRQBASE + 16; i++)

	for (i = HD64461_IRQBASE; i < HD64461_IRQBASE + 16; i++) {

		unsigned int irq;



		irq = create_irq_nr(i, nid);

		if (unlikely(irq == 0)) {

			pr_err("%s: failed hooking irq %d for HD64461\n",

			       __func__, i);

			return -EBUSY;

		}



		if (unlikely(irq != i)) {

			pr_err("%s: got irq %d but wanted %d, bailing.\n",

			       __func__, irq, i);

			destroy_irq(irq);

			return -EINVAL;

		}



		set_irq_chip_and_handler(i, &hd64461_irq_chip,

					 handle_level_irq);

	}



	set_irq_chained_handler(CONFIG_HD64461_IRQ, hd64461_irq_demux);

	set_irq_type(CONFIG_HD64461_IRQ, IRQ_TYPE_LEVEL_LOW);