@@ -14,6 +14,8 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include "irq-msi-lib.h"
+
/* Cause register */
#define GICP_SECR(idx) (0x0 + ((idx) * 0x4))
/* Mask register */
@@ -190,6 +192,7 @@ static void mvebu_sei_domain_free(struct
}
static const struct irq_domain_ops mvebu_sei_domain_ops = {
+ .select = msi_lib_irq_domain_select,
.alloc = mvebu_sei_domain_alloc,
.free = mvebu_sei_domain_free,
};
@@ -307,21 +310,6 @@ static const struct irq_domain_ops mvebu
.free = mvebu_sei_cp_domain_free,
};
-static struct irq_chip mvebu_sei_msi_irq_chip = {
- .name = "SEI pMSI",
- .irq_ack = irq_chip_ack_parent,
- .irq_set_type = irq_chip_set_type_parent,
-};
-
-static struct msi_domain_ops mvebu_sei_msi_ops = {
-};
-
-static struct msi_domain_info mvebu_sei_msi_domain_info = {
- .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS,
- .ops = &mvebu_sei_msi_ops,
- .chip = &mvebu_sei_msi_irq_chip,
-};
-
static void mvebu_sei_handle_cascade_irq(struct irq_desc *desc)
{
struct mvebu_sei *sei = irq_desc_get_handler_data(desc);
@@ -360,10 +348,23 @@ static void mvebu_sei_reset(struct mvebu
}
}
+#define SEI_MSI_FLAGS_REQUIRED (MSI_FLAG_USE_DEF_DOM_OPS | \
+ MSI_FLAG_USE_DEF_CHIP_OPS)
+
+#define SEI_MSI_FLAGS_SUPPORTED (MSI_GENERIC_FLAGS_MASK)
+
+static const struct msi_parent_ops sei_msi_parent_ops = {
+ .supported_flags = SEI_MSI_FLAGS_SUPPORTED,
+ .required_flags = SEI_MSI_FLAGS_REQUIRED,
+ .bus_select_mask = MATCH_PLATFORM_MSI,
+ .bus_select_token = DOMAIN_BUS_GENERIC_MSI,
+ .prefix = "SEI-",
+ .init_dev_msi_info = msi_lib_init_dev_msi_info,
+};
+
static int mvebu_sei_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
- struct irq_domain *plat_domain;
struct mvebu_sei *sei;
u32 parent_irq;
int ret;
@@ -440,33 +441,20 @@ static int mvebu_sei_probe(struct platfo
}
irq_domain_update_bus_token(sei->cp_domain, DOMAIN_BUS_GENERIC_MSI);
-
- plat_domain = platform_msi_create_irq_domain(of_node_to_fwnode(node),
- &mvebu_sei_msi_domain_info,
- sei->cp_domain);
- if (!plat_domain) {
- pr_err("Failed to create CPs MSI domain\n");
- ret = -ENOMEM;
- goto remove_cp_domain;
- }
+ sei->cp_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
+ sei->cp_domain->msi_parent_ops = &sei_msi_parent_ops;
mvebu_sei_reset(sei);
- irq_set_chained_handler_and_data(parent_irq,
- mvebu_sei_handle_cascade_irq,
- sei);
-
+ irq_set_chained_handler_and_data(parent_irq, mvebu_sei_handle_cascade_irq, sei);
return 0;
-remove_cp_domain:
- irq_domain_remove(sei->cp_domain);
remove_ap_domain:
irq_domain_remove(sei->ap_domain);
remove_sei_domain:
irq_domain_remove(sei->sei_domain);
dispose_irq:
irq_dispose_mapping(parent_irq);
-
return ret;
}