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[ARM] pxa: integrate low IRQ chip (ICIP) and high IRQ chip (ICIP2) into one

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This makes the code better organized and simplified a bit.  The change
will lose a bit of performance when performing IRQ ack/mask/unmask,but
that's not too much after checking the result binary.

This patch also removes the ugly #ifdef CONFIG_PXA27x .. #endif by
carefully not to access those pxa{27x,3xx} specific registers, this
is done by keeping an internal IRQ number variable.  The pxa-regs.h
is also modified so registers for IRQ > PXA_IRQ(31) are made public
even if CONFIG_PXA{27x,3xx} isn't defined (for pxa25x's sake)

The incorrect assumption in the original code that internal irq starts
from 0 is also corrected by comparing with PXA_IRQ(0).

"struct sys_device" for the IRQ are reduced into one single device on
pxa{27x,3xx}.

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
eric miao
2008-03-04 13:53:05 +08:00
committed by Russell King
parent e3630db1fa
commit f6fb7af476
6 changed files with 42 additions and 105 deletions
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7
arch/arm/mach-pxa/pxa27x.c
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@@ -340,8 +340,7 @@ set_pwer:
void __init pxa27x_init_irq(void)
{
pxa_init_irq_low();
pxa_init_irq_high();
pxa_init_irq(34);
pxa_init_irq_gpio(128);
pxa_init_irq_set_wake(pxa27x_set_wake);
}
@@ -389,10 +388,6 @@ static struct platform_device *devices[] __initdata = {
static struct sys_device pxa27x_sysdev[] = {
{
.id = 0,
.cls = &pxa_irq_sysclass,
}, {
.id = 1,
.cls = &pxa_irq_sysclass,
}, {
.cls = &pxa_gpio_sysclass,