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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:52:26 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:52:26 -0700
commitccaa36f73544163ef6e15eb29a620130755f6001 (patch)
treeb5cf50592c45e25edbd66fea451e6941e455fa83 /arch/powerpc/kernel/irq.c
parentb4a9071af62f95dc6d22040a0b37ac7225ce4d54 (diff)
parent5e980823581682d1566e7b5089cf827ddd5f3c94 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (29 commits) [POWERPC] Fix rheap alignment problem [POWERPC] Use check_legacy_ioport() for ISAPnP [POWERPC] Avoid NULL pointer in gpio1_interrupt [POWERPC] Enable generic rtc hook for the MPC8349 mITX [POWERPC] Add powerpc get/set_rtc_time interface to new generic rtc class [POWERPC] Create a "wrapper" script and use it in arch/powerpc/boot [POWERPC] fix spin lock nesting in hvc_iseries [POWERPC] EEH failure to mark pci slot as frozen. [POWERPC] update powerpc defconfig files after libata kconfig breakage [POWERPC] enable sysrq in pmac32_defconfig [POWERPC] UPIO_TSI cleanup [POWERPC] rewrite mkprep and mkbugboot in sane C [POWERPC] maple/pci iomem annotations [POWERPC] powerpc oprofile __user annotations [POWERPC] cell spufs iomem annotations [POWERPC] NULL noise removal: spufs [POWERPC] ppc math-emu needs -fno-builtin-fabs for math.c and fabs.c [POWERPC] update mpc8349_itx_defconfig and remove some debug settings [POWERPC] Always call cede in pseries dedicated idle loop [POWERPC] Fix loop logic in irq_alloc_virt() ...
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
-rw-r--r--arch/powerpc/kernel/irq.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index b4432332341..c3f58f2f9f5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -777,7 +777,6 @@ unsigned int irq_alloc_virt(struct irq_host *host,
{
unsigned long flags;
unsigned int i, j, found = NO_IRQ;
- unsigned int limit = irq_virq_count - count;
if (count == 0 || count > (irq_virq_count - NUM_ISA_INTERRUPTS))
return NO_IRQ;
@@ -794,14 +793,16 @@ unsigned int irq_alloc_virt(struct irq_host *host,
/* Look for count consecutive numbers in the allocatable
* (non-legacy) space
*/
- for (i = NUM_ISA_INTERRUPTS; i <= limit; ) {
- for (j = i; j < (i + count); j++)
- if (irq_map[j].host != NULL) {
- i = j + 1;
- continue;
- }
- found = i;
- break;
+ for (i = NUM_ISA_INTERRUPTS, j = 0; i < irq_virq_count; i++) {
+ if (irq_map[i].host != NULL)
+ j = 0;
+ else
+ j++;
+
+ if (j == count) {
+ found = i - count + 1;
+ break;
+ }
}
if (found == NO_IRQ) {
spin_unlock_irqrestore(&irq_big_lock, flags);