xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86: use NR_IRQS_LEGACY

Browse Source 
Impact: cleanup

Introduce NR_IRQS_LEGACY instead of hard coded number.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2008-12-05 18:58:32 -08:00
committed by Ingo Molnar
parent 0b8f1efad3
commit 99d093d128
5 changed files with 12 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/x86/kernel/io_apic.c
View File

@@ -847,7 +847,7 @@ EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
*/
static int EISA_ELCR(unsigned int irq)
{
if (irq < 16) {
if (irq < NR_IRQS_LEGACY) {
unsigned int port = 0x4d0 + (irq >> 3);
return (inb(port) >> (irq & 7)) & 1;
}
@@ -1388,7 +1388,7 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
}
ioapic_register_intr(irq, trigger);
if (irq < 16)
if (irq < NR_IRQS_LEGACY)
disable_8259A_irq(irq);
ioapic_write_entry(apic, pin, entry);
@@ -2080,7 +2080,7 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
struct irq_cfg *cfg;
spin_lock_irqsave(&ioapic_lock, flags);
if (irq < 16) {
if (irq < NR_IRQS_LEGACY) {
disable_8259A_irq(irq);
if (i8259A_irq_pending(irq))
was_pending = 1;
@@ -2504,7 +2504,7 @@ static inline void init_IO_APIC_traps(void)
* so default to an old-fashioned 8259
* interrupt if we can..
*/
if (irq < 16)
if (irq < NR_IRQS_LEGACY)
make_8259A_irq(irq);
else
/* Strange. Oh, well.. */
@@ -3794,7 +3794,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p
/*
* IRQs < 16 are already in the irq_2_pin[] map
*/
if (irq >= 16) {
if (irq >= NR_IRQS_LEGACY) {
cfg = desc->chip_data;
add_pin_to_irq_cpu(irq, cpu, ioapic, pin);
}