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authorTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
committerTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
commitd702d12167a2c05a346f49aac7a311d597762495 (patch)
treebaae42c299cce34d6df24b5d01f8b1d0b481bd9a /arch/sh/cchips/hd6446x/hd64461.c
parent9418c65f9bd861d0f7e39aab9cfb3aa6f2275d11 (diff)
parentac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (diff)
downloadop-kernel-dev-d702d12167a2c05a346f49aac7a311d597762495.zip
op-kernel-dev-d702d12167a2c05a346f49aac7a311d597762495.tar.gz
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts: arch/arm/plat-omap/Kconfig
Diffstat (limited to 'arch/sh/cchips/hd6446x/hd64461.c')
-rw-r--r--arch/sh/cchips/hd6446x/hd64461.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index 50aa0c1..bcb31ae8 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -55,25 +55,22 @@ static struct irq_chip hd64461_irq_chip = {
static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc)
{
- unsigned short intv = ctrl_inw(HD64461_NIRR);
- struct irq_desc *ext_desc;
+ unsigned short intv = __raw_readw(HD64461_NIRR);
unsigned int ext_irq = HD64461_IRQBASE;
intv &= (1 << HD64461_IRQ_NUM) - 1;
- while (intv) {
- if (intv & 1) {
- ext_desc = irq_desc + ext_irq;
- handle_level_irq(ext_irq, ext_desc);
- }
- intv >>= 1;
- ext_irq++;
+ for (; intv; intv >>= 1, ext_irq++) {
+ if (!(intv & 1))
+ continue;
+
+ generic_handle_irq(ext_irq);
}
}
int __init setup_hd64461(void)
{
- int i;
+ int i, nid = cpu_to_node(boot_cpu_data);
if (!MACH_HD64461)
return 0;
@@ -90,9 +87,26 @@ 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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