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authorPaul Mundt <lethal@linux-sh.org>2010-02-02 17:48:17 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-02-02 17:48:17 +0900
commit6eb6f98396f7bd653d8fb15b06364c8c7d70e22c (patch)
tree51155eac621a7cee65d6b3b17fe78d167d3e3945 /arch/sh/cchips
parentc7a967273a539a9a38413753c58125e777e2d30d (diff)
downloadop-kernel-dev-6eb6f98396f7bd653d8fb15b06364c8c7d70e22c.zip
op-kernel-dev-6eb6f98396f7bd653d8fb15b06364c8c7d70e22c.tar.gz
sh: hd6446x: Convert to sparseirq.
Follows the se7724 change and converts the hd64461 IRQ handling to sparseirq. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/cchips')
-rw-r--r--arch/sh/cchips/hd6446x/hd64461.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index cbfedfb..b447091 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -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);
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