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Merge 'irq/loongarch-fixes-6.4' into loongarch-next 

LoongArch architecture changes for 6.4 depend on the irq changes
to work on "dual-bridge" systems, so merge them to create a base.
This commit is contained in:
Huacai Chen 2023-04-26 11:56:37 +08:00
parent 457391b038 48ce2d722f
commit 3b5a5672b3
2 changed files with 27 additions and 11 deletions
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32
drivers/irqchip/irq-loongson-eiointc.c
View File

@ -280,9 +280,6 @@ static void acpi_set_vec_parent(int node, struct irq_domain *parent, struct acpi
{
int i;
if (cpu_has_flatmode)
node = cpu_to_node(node * CORES_PER_EIO_NODE);
for (i = 0; i < MAX_IO_PICS; i++) {
if (node == vec_group[i].node) {
vec_group[i].parent = parent;
@ -343,19 +340,27 @@ static int __init pch_pic_parse_madt(union acpi_subtable_headers *header,
if (parent)
return pch_pic_acpi_init(parent, pchpic_entry);
return -EINVAL;
return 0;
}
static int __init pch_msi_parse_madt(union acpi_subtable_headers *header,
const unsigned long end)
{
struct irq_domain *parent;
struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header;
struct irq_domain *parent = acpi_get_vec_parent(eiointc_priv[nr_pics - 1]->node, msi_group);
int node;
if (cpu_has_flatmode)
node = cpu_to_node(eiointc_priv[nr_pics - 1]->node * CORES_PER_EIO_NODE);
else
node = eiointc_priv[nr_pics - 1]->node;
parent = acpi_get_vec_parent(node, msi_group);
if (parent)
return pch_msi_acpi_init(parent, pchmsi_entry);
return -EINVAL;
return 0;
}
static int __init acpi_cascade_irqdomain_init(void)
@ -379,6 +384,7 @@ int __init eiointc_acpi_init(struct irq_domain *parent,
int i, ret, parent_irq;
unsigned long node_map;
struct eiointc_priv *priv;
int node;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
@ -416,13 +422,19 @@ int __init eiointc_acpi_init(struct irq_domain *parent,
parent_irq = irq_create_mapping(parent, acpi_eiointc->cascade);
irq_set_chained_handler_and_data(parent_irq, eiointc_irq_dispatch, priv);
register_syscore_ops(&eiointc_syscore_ops);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING,
if (nr_pics == 1) {
register_syscore_ops(&eiointc_syscore_ops);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING,
"irqchip/loongarch/intc:starting",
eiointc_router_init, NULL);
}
acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, pch_group);
acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, msi_group);
if (cpu_has_flatmode)
node = cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE);
else
node = acpi_eiointc->node;
acpi_set_vec_parent(node, priv->eiointc_domain, pch_group);
acpi_set_vec_parent(node, priv->eiointc_domain, msi_group);
ret = acpi_cascade_irqdomain_init();
return ret;

6
drivers/irqchip/irq-loongson-pch-pic.c
View File

@ -311,7 +311,8 @@ static int pch_pic_init(phys_addr_t addr, unsigned long size, int vec_base,
pch_pic_handle[nr_pics] = domain_handle;
pch_pic_priv[nr_pics++] = priv;
register_syscore_ops(&pch_pic_syscore_ops);
if (nr_pics == 1)
register_syscore_ops(&pch_pic_syscore_ops);
return 0;
@ -403,6 +404,9 @@ int __init pch_pic_acpi_init(struct irq_domain *parent,
int ret, vec_base;
struct fwnode_handle *domain_handle;
if (find_pch_pic(acpi_pchpic->gsi_base) >= 0)
return 0;
vec_base = acpi_pchpic->gsi_base - GSI_MIN_PCH_IRQ;
domain_handle = irq_domain_alloc_fwnode(&acpi_pchpic->address);