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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
commit34996e42f82bfd60bc2c191e5cae3c6ab233ec6c (patch)
tree62db60558cbf089714b48daeabca82bf2b20b20e /drivers/irqchip/irq-loongson-eiointc.c
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.tar.xz
linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/irqchip/irq-loongson-eiointc.c')
-rw-r--r--drivers/irqchip/irq-loongson-eiointc.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c
index b3736bdd4b..b64cbe3052 100644
--- a/drivers/irqchip/irq-loongson-eiointc.c
+++ b/drivers/irqchip/irq-loongson-eiointc.c
@@ -198,6 +198,12 @@ static void eiointc_irq_dispatch(struct irq_desc *desc)
for (i = 0; i < eiointc_priv[0]->vec_count / VEC_COUNT_PER_REG; i++) {
pending = iocsr_read64(EIOINTC_REG_ISR + (i << 3));
+
+ /* Skip handling if pending bitmap is zero */
+ if (!pending)
+ continue;
+
+ /* Clear the IRQs */
iocsr_write64(pending, EIOINTC_REG_ISR + (i << 3));
while (pending) {
int bit = __ffs(pending);
@@ -304,23 +310,7 @@ static int eiointc_suspend(void)
static void eiointc_resume(void)
{
- int i, j;
- struct irq_desc *desc;
- struct irq_data *irq_data;
-
eiointc_router_init(0);
-
- for (i = 0; i < nr_pics; i++) {
- for (j = 0; j < eiointc_priv[0]->vec_count; j++) {
- desc = irq_resolve_mapping(eiointc_priv[i]->eiointc_domain, j);
- if (desc && desc->handle_irq && desc->handle_irq != handle_bad_irq) {
- raw_spin_lock(&desc->lock);
- irq_data = irq_domain_get_irq_data(eiointc_priv[i]->eiointc_domain, irq_desc_get_irq(desc));
- eiointc_set_irq_affinity(irq_data, irq_data->common->affinity, 0);
- raw_spin_unlock(&desc->lock);
- }
- }
- }
}
static struct syscore_ops eiointc_syscore_ops = {