Need to check if irq is sharable amoung handlers when searching
sharable IOSAPIC irq.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
arch/ia64/kernel/iosapic.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6.22/arch/ia64/kernel/iosapic.c
===================================================================
--- linux-2.6.22.orig/arch/ia64/kernel/iosapic.c 2007-07-13 16:49:24.000000000 +0900
+++ linux-2.6.22/arch/ia64/kernel/iosapic.c 2007-07-13 16:50:02.000000000 +0900
@@ -502,8 +502,9 @@ static int iosapic_find_sharable_irq(uns
for (i = 0; i <= NR_IRQS; i++) {
info = &iosapic_intr_info[i];
if (info->trigger == trigger && info->polarity == pol &&
- (info->dmode == IOSAPIC_FIXED || info->dmode ==
- IOSAPIC_LOWEST_PRIORITY)) {
+ (info->dmode == IOSAPIC_FIXED ||
+ info->dmode == IOSAPIC_LOWEST_PRIORITY) &&
+ can_request_irq(i, IRQF_SHARED)) {
if (min_count == -1 || info->count < min_count) {
irq = i;
min_count = info->count;
-
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