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authorThomas Gleixner <tglx@linutronix.de>2015-04-14 10:30:08 +0800
committerThomas Gleixner <tglx@linutronix.de>2015-04-24 15:36:55 +0200
commitf7a0c78669ee79443a91ea89652766c1be8d9e04 (patch)
tree30f3d9ce435793bbc98ce885531c05713fa43375
parentab76085ec0858d4c2707ea0d036db00ef4aee8fd (diff)
x86: Cleanup irq_domain ops
We have 3 identical copies of the ioapic domain ops for acpi, mpparse, and sfi. Have a global one in the io_apic code and be done with it. To avoid include hell in io_apic.h, create a private irqdomain header and include the generic irqdomain header from there. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Cohen <david.a.cohen@linux.intel.com> Cc: Sander Eikelenboom <linux@eikelenboom.it> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: sfi-devel@simplefirmware.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dimitri Sivanich <sivanich@sgi.com> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: x86@kernel.org Link: http://lkml.kernel.org/r/1428978610-28986-32-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/x86/include/asm/io_apic.h29
-rw-r--r--arch/x86/include/asm/irqdomain.h34
-rw-r--r--arch/x86/kernel/acpi/boot.c13
-rw-r--r--arch/x86/kernel/apic/io_apic.c9
-rw-r--r--arch/x86/kernel/devicetree.c12
-rw-r--r--arch/x86/kernel/mpparse.c9
-rw-r--r--arch/x86/platform/sfi/sfi.c10
7 files changed, 56 insertions, 60 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 984afb732efe..6cbf2cfb3f8a 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -96,7 +96,7 @@ struct IR_IO_APIC_route_entry {
} __attribute__ ((packed));
struct irq_alloc_info;
-struct irq_data;
+struct ioapic_domain_cfg;
#define IOAPIC_AUTO -1
#define IOAPIC_EDGE 0
@@ -163,23 +163,6 @@ extern int restore_ioapic_entries(void);
extern void setup_ioapic_ids_from_mpc(void);
extern void setup_ioapic_ids_from_mpc_nocheck(void);
-enum ioapic_domain_type {
- IOAPIC_DOMAIN_INVALID,
- IOAPIC_DOMAIN_LEGACY,
- IOAPIC_DOMAIN_STRICT,
- IOAPIC_DOMAIN_DYNAMIC,
-};
-
-struct device_node;
-struct irq_domain;
-struct irq_domain_ops;
-
-struct ioapic_domain_cfg {
- enum ioapic_domain_type type;
- const struct irq_domain_ops *ops;
- struct device_node *dev;
-};
-
extern int mp_find_ioapic(u32 gsi);
extern int mp_find_ioapic_pin(int ioapic, u32 gsi);
extern int mp_map_gsi_to_irq(u32 gsi, unsigned int flags,
@@ -189,15 +172,7 @@ extern int mp_register_ioapic(int id, u32 address, u32 gsi_base,
struct ioapic_domain_cfg *cfg);
extern int mp_unregister_ioapic(u32 gsi_base);
extern int mp_ioapic_registered(u32 gsi_base);
-extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
- unsigned int nr_irqs, void *arg);
-extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
- unsigned int nr_irqs);
-extern void mp_irqdomain_activate(struct irq_domain *domain,
- struct irq_data *irq_data);
-extern void mp_irqdomain_deactivate(struct irq_domain *domain,
- struct irq_data *irq_data);
-extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
+
extern void ioapic_set_alloc_attr(struct irq_alloc_info *info,
int node, int trigger, int polarity);
diff --git a/arch/x86/include/asm/irqdomain.h b/arch/x86/include/asm/irqdomain.h
new file mode 100644
index 000000000000..fe0d4c6636ec
--- /dev/null
+++ b/arch/x86/include/asm/irqdomain.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_IRQDOMAIN_H
+#define _ASM_IRQDOMAIN_H
+
+#include <linux/irqdomain.h>
+
+enum ioapic_domain_type {
+ IOAPIC_DOMAIN_INVALID,
+ IOAPIC_DOMAIN_LEGACY,
+ IOAPIC_DOMAIN_STRICT,
+ IOAPIC_DOMAIN_DYNAMIC,
+};
+
+struct device_node;
+struct irq_data;
+
+struct ioapic_domain_cfg {
+ enum ioapic_domain_type type;
+ const struct irq_domain_ops *ops;
+ struct device_node *dev;
+};
+
+extern const struct irq_domain_ops mp_ioapic_irqdomain_ops;
+
+extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs, void *arg);
+extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs);
+extern void mp_irqdomain_activate(struct irq_domain *domain,
+ struct irq_data *irq_data);
+extern void mp_irqdomain_deactivate(struct irq_domain *domain,
+ struct irq_data *irq_data);
+extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
+
+#endif
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 91a10120ed10..cb9f6f12246b 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -31,12 +31,12 @@
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/irq.h>
-#include <linux/irqdomain.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/pci.h>
+#include <asm/irqdomain.h>
#include <asm/pci_x86.h>
#include <asm/pgtable.h>
#include <asm/io_apic.h>
@@ -400,20 +400,13 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
return 0;
}
-static struct irq_domain_ops acpi_irqdomain_ops = {
- .alloc = mp_irqdomain_alloc,
- .free = mp_irqdomain_free,
- .activate = mp_irqdomain_activate,
- .deactivate = mp_irqdomain_deactivate,
-};
-
static int __init
acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_madt_io_apic *ioapic = NULL;
struct ioapic_domain_cfg cfg = {
.type = IOAPIC_DOMAIN_DYNAMIC,
- .ops = &acpi_irqdomain_ops,
+ .ops = &mp_ioapic_irqdomain_ops,
};
ioapic = (struct acpi_madt_io_apic *)header;
@@ -764,7 +757,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
u64 addr;
struct ioapic_domain_cfg cfg = {
.type = IOAPIC_DOMAIN_DYNAMIC,
- .ops = &acpi_irqdomain_ops,
+ .ops = &mp_ioapic_irqdomain_ops,
};
ioapic_id = acpi_get_ioapic_id(handle, gsi_base, &addr);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9fcca68b183d..845dc0df2002 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -41,13 +41,13 @@
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/syscore_ops.h>
-#include <linux/irqdomain.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/jiffies.h> /* time_after() */
#include <linux/slab.h>
#include <linux/bootmem.h>
+#include <asm/irqdomain.h>
#include <asm/idle.h>
#include <asm/io.h>
#include <asm/smp.h>
@@ -2995,3 +2995,10 @@ int mp_irqdomain_ioapic_idx(struct irq_domain *domain)
{
return (int)(long)domain->host_data;
}
+
+const struct irq_domain_ops mp_ioapic_irqdomain_ops = {
+ .alloc = mp_irqdomain_alloc,
+ .free = mp_irqdomain_free,
+ .activate = mp_irqdomain_activate,
+ .deactivate = mp_irqdomain_deactivate,
+};
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 05103d398ed7..5ee771859b6f 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -4,7 +4,6 @@
#include <linux/bootmem.h>
#include <linux/export.h>
#include <linux/io.h>
-#include <linux/irqdomain.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/of.h>
@@ -17,6 +16,7 @@
#include <linux/of_pci.h>
#include <linux/initrd.h>
+#include <asm/irqdomain.h>
#include <asm/hpet.h>
#include <asm/apic.h>
#include <asm/pci_x86.h>
@@ -216,11 +216,11 @@ static int dt_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
return mp_irqdomain_alloc(domain, virq, nr_irqs, &tmp);
}
-const struct irq_domain_ops ioapic_irq_domain_ops = {
- .alloc = dt_irqdomain_alloc,
- .free = mp_irqdomain_free,
- .activate = mp_irqdomain_activate,
- .deactivate = mp_irqdomain_deactivate,
+static const struct irq_domain_ops ioapic_irq_domain_ops = {
+ .alloc = dt_irqdomain_alloc,
+ .free = mp_irqdomain_free,
+ .activate = mp_irqdomain_activate,
+ .deactivate = mp_irqdomain_deactivate,
};
static void __init dtb_add_ioapic(struct device_node *dn)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index aa4feee74dbe..30ca7607cbbb 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -19,8 +19,8 @@
#include <linux/module.h>
#include <linux/smp.h>
#include <linux/pci.h>
-#include <linux/irqdomain.h>
+#include <asm/irqdomain.h>
#include <asm/mtrr.h>
#include <asm/mpspec.h>
#include <asm/pgalloc.h>
@@ -113,13 +113,6 @@ static void __init MP_bus_info(struct mpc_bus *m)
pr_warn("Unknown bustype %s - ignoring\n", str);
}
-static struct irq_domain_ops mp_ioapic_irqdomain_ops = {
- .alloc = mp_irqdomain_alloc,
- .free = mp_irqdomain_free,
- .activate = mp_irqdomain_activate,
- .deactivate = mp_irqdomain_deactivate,
-};
-
static void __init MP_ioapic_info(struct mpc_ioapic *m)
{
struct ioapic_domain_cfg cfg = {
diff --git a/arch/x86/platform/sfi/sfi.c b/arch/x86/platform/sfi/sfi.c
index b66b194f9900..6c7111bbd1e9 100644
--- a/arch/x86/platform/sfi/sfi.c
+++ b/arch/x86/platform/sfi/sfi.c
@@ -25,8 +25,8 @@
#include <linux/init.h>
#include <linux/sfi.h>
#include <linux/io.h>
-#include <linux/irqdomain.h>
+#include <asm/irqdomain.h>
#include <asm/io_apic.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
@@ -71,12 +71,6 @@ static int __init sfi_parse_cpus(struct sfi_table_header *table)
#endif /* CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_IO_APIC
-static struct irq_domain_ops sfi_ioapic_irqdomain_ops = {
- .alloc = mp_irqdomain_alloc,
- .free = mp_irqdomain_free,
- .activate = mp_irqdomain_activate,
- .deactivate = mp_irqdomain_deactivate,
-};
static int __init sfi_parse_ioapic(struct sfi_table_header *table)
{
@@ -85,7 +79,7 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table)
int i, num;
struct ioapic_domain_cfg cfg = {
.type = IOAPIC_DOMAIN_STRICT,
- .ops = &sfi_ioapic_irqdomain_ops,
+ .ops = &mp_ioapic_irqdomain_ops,
};
sb = (struct sfi_table_simple *)table;