[tip:x86/apic] x86, irq: Clean up unused IOAPIC interface
Commit-ID: 9f354b0252b81c870ac7534d71906280cb573f86
Gitweb: http://git.kernel.org/tip/9f354b0252b81c870ac7534d71906280cb573f86
Author: Jiang Liu
AuthorDate: Mon, 9 Jun 2014 16:20:03 +0800
Committer: Thomas Gleixner
CommitDate: Sat, 21 Jun 2014 23:05:44 +0200
x86, irq: Clean up unused IOAPIC interface
Now we have converted all x86 platforms to use the common irqdomain map
interface. There's no caller of io_apic_set_pci_routing(),
setup_IO_APIC_irq_extra() and io_apic_setup_irq_pin_once() any more,
so kill them.
Signed-off-by: Jiang Liu
Cc: Konrad Rzeszutek Wilk
Cc: Tony Luck
Cc: Joerg Roedel
Cc: Paul Gortmaker
Cc: Greg Kroah-Hartman
Cc: Benjamin Herrenschmidt
Cc: Grant Likely
Cc: Rafael J. Wysocki
Cc: Bjorn Helgaas
Cc: Randy Dunlap
Cc: Yinghai Lu
Link:
http://lkml.kernel.org/r/1402302011-23642-35-git-send-email-jiang@linux.intel.com
Signed-off-by: Thomas Gleixner
---
arch/x86/include/asm/io_apic.h | 9 --
arch/x86/kernel/apic/io_apic.c | 70 --
2 files changed, 79 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index c535878..af6f9d4 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -141,9 +141,6 @@ extern int noioapicreroute;
struct io_apic_irq_attr;
struct irq_cfg;
-extern int io_apic_set_pci_routing(struct device *dev, int irq,
-struct io_apic_irq_attr *irq_attr);
-extern void setup_IO_APIC_irq_extra(u32 gsi);
extern void ioapic_insert_resources(void);
extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *,
@@ -155,8 +152,6 @@ extern void native_compose_msi_msg(struct pci_dev *pdev,
unsigned int irq, unsigned int dest,
struct msi_msg *msg, u8 hpet_id);
extern void native_eoi_ioapic_pin(int apic, int pin, int vector);
-extern int io_apic_setup_irq_pin_once(unsigned int irq, int node,
- struct io_apic_irq_attr *attr);
extern int save_ioapic_entries(void);
extern void mask_ioapic_entries(void);
@@ -240,10 +235,6 @@ static inline int mp_find_ioapic(u32 gsi) { return 0; }
static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; }
static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi;
}
-struct io_apic_irq_attr;
-static inline int io_apic_set_pci_routing(struct device *dev, int irq,
-struct io_apic_irq_attr *irq_attr) { return 0; }
-
static inline int save_ioapic_entries(void)
{
return -ENOMEM;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a602b35..6e3d4c7 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -111,7 +111,6 @@ static struct ioapic {
struct ioapic_domain_cfg irqdomain_cfg;
struct irq_domain *irqdomain;
struct mp_pin_info *pin_info;
- DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
} ioapics[MAX_IO_APICS];
#define mpc_ioapic_ver(ioapic_idx) ioapics[ioapic_idx].mp_config.apicver
@@ -1524,38 +1523,6 @@ static void __init setup_IO_APIC_irqs(void)
}
/*
- * for the gsi that is not in first ioapic
- * but could not use acpi_register_gsi()
- * like some special sci in IBM x3330
- */
-void setup_IO_APIC_irq_extra(u32 gsi)
-{
- int ioapic_idx = 0, pin, idx, irq, node = cpu_to_node(0);
- struct io_apic_irq_attr attr;
-
- /*
-* Convert 'gsi' to 'ioapic.pin'.
-*/
- ioapic_idx = mp_find_ioapic(gsi);
- if (ioapic_idx < 0)
- return;
-
- pin = mp_find_ioapic_pin(ioapic_idx, gsi);
- idx = find_irq_entry(ioapic_idx, pin, mp_INT);
- if (idx == -1)
- return;
-
- irq = pin_2_irq(idx, ioapic_idx, pin, IOAPIC_MAP_ALLOC);
- if (irq < 0 || mp_init_irq_at_boot(ioapic_idx, irq))
- return;
-
- set_io_apic_irq_attr(, ioapic_idx, pin, irq_trigger(idx),
-irq_polarity(idx));
-
- io_apic_setup_irq_pin_once(irq, node, );
-}
-
-/*
* Set up the timer pin, possibly with the 8259A-master behind.
*/
static void __init setup_timer_IRQ0_pin(unsigned int ioapic_idx,
@@ -3458,27 +3425,6 @@ io_apic_setup_irq_pin(unsigned int irq, int node, struct
io_apic_irq_attr *attr)
return ret;
}
-int io_apic_setup_irq_pin_once(unsigned int irq, int node,
- struct io_apic_irq_attr *attr)
-{
- unsigned int ioapic_idx = attr->ioapic, pin = attr->ioapic_pin;
- int ret;
- struct IO_APIC_route_entry orig_entry;
-
- /* Avoid redundant programming */
- if (test_bit(pin, ioapics[ioapic_idx].pin_programmed)) {
- pr_debug("Pin %d-%d already programmed\n",
mpc_ioapic_id(ioapic_idx), pin);
- orig_entry = ioapic_read_entry(attr->ioapic, pin);
- if (attr->trigger == orig_entry.trigger && attr->polarity ==
[tip:x86/apic] x86, irq: Clean up unused IOAPIC interface
Commit-ID: 9f354b0252b81c870ac7534d71906280cb573f86
Gitweb: http://git.kernel.org/tip/9f354b0252b81c870ac7534d71906280cb573f86
Author: Jiang Liu jiang@linux.intel.com
AuthorDate: Mon, 9 Jun 2014 16:20:03 +0800
Committer: Thomas Gleixner t...@linutronix.de
CommitDate: Sat, 21 Jun 2014 23:05:44 +0200
x86, irq: Clean up unused IOAPIC interface
Now we have converted all x86 platforms to use the common irqdomain map
interface. There's no caller of io_apic_set_pci_routing(),
setup_IO_APIC_irq_extra() and io_apic_setup_irq_pin_once() any more,
so kill them.
Signed-off-by: Jiang Liu jiang@linux.intel.com
Cc: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Cc: Tony Luck tony.l...@intel.com
Cc: Joerg Roedel j...@8bytes.org
Cc: Paul Gortmaker paul.gortma...@windriver.com
Cc: Greg Kroah-Hartman gre...@linuxfoundation.org
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Cc: Grant Likely grant.lik...@linaro.org
Cc: Rafael J. Wysocki r...@rjwysocki.net
Cc: Bjorn Helgaas bhelg...@google.com
Cc: Randy Dunlap rdun...@infradead.org
Cc: Yinghai Lu ying...@kernel.org
Link:
http://lkml.kernel.org/r/1402302011-23642-35-git-send-email-jiang@linux.intel.com
Signed-off-by: Thomas Gleixner t...@linutronix.de
---
arch/x86/include/asm/io_apic.h | 9 --
arch/x86/kernel/apic/io_apic.c | 70 --
2 files changed, 79 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index c535878..af6f9d4 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -141,9 +141,6 @@ extern int noioapicreroute;
struct io_apic_irq_attr;
struct irq_cfg;
-extern int io_apic_set_pci_routing(struct device *dev, int irq,
-struct io_apic_irq_attr *irq_attr);
-extern void setup_IO_APIC_irq_extra(u32 gsi);
extern void ioapic_insert_resources(void);
extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *,
@@ -155,8 +152,6 @@ extern void native_compose_msi_msg(struct pci_dev *pdev,
unsigned int irq, unsigned int dest,
struct msi_msg *msg, u8 hpet_id);
extern void native_eoi_ioapic_pin(int apic, int pin, int vector);
-extern int io_apic_setup_irq_pin_once(unsigned int irq, int node,
- struct io_apic_irq_attr *attr);
extern int save_ioapic_entries(void);
extern void mask_ioapic_entries(void);
@@ -240,10 +235,6 @@ static inline int mp_find_ioapic(u32 gsi) { return 0; }
static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; }
static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi;
}
-struct io_apic_irq_attr;
-static inline int io_apic_set_pci_routing(struct device *dev, int irq,
-struct io_apic_irq_attr *irq_attr) { return 0; }
-
static inline int save_ioapic_entries(void)
{
return -ENOMEM;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a602b35..6e3d4c7 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -111,7 +111,6 @@ static struct ioapic {
struct ioapic_domain_cfg irqdomain_cfg;
struct irq_domain *irqdomain;
struct mp_pin_info *pin_info;
- DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1);
} ioapics[MAX_IO_APICS];
#define mpc_ioapic_ver(ioapic_idx) ioapics[ioapic_idx].mp_config.apicver
@@ -1524,38 +1523,6 @@ static void __init setup_IO_APIC_irqs(void)
}
/*
- * for the gsi that is not in first ioapic
- * but could not use acpi_register_gsi()
- * like some special sci in IBM x3330
- */
-void setup_IO_APIC_irq_extra(u32 gsi)
-{
- int ioapic_idx = 0, pin, idx, irq, node = cpu_to_node(0);
- struct io_apic_irq_attr attr;
-
- /*
-* Convert 'gsi' to 'ioapic.pin'.
-*/
- ioapic_idx = mp_find_ioapic(gsi);
- if (ioapic_idx 0)
- return;
-
- pin = mp_find_ioapic_pin(ioapic_idx, gsi);
- idx = find_irq_entry(ioapic_idx, pin, mp_INT);
- if (idx == -1)
- return;
-
- irq = pin_2_irq(idx, ioapic_idx, pin, IOAPIC_MAP_ALLOC);
- if (irq 0 || mp_init_irq_at_boot(ioapic_idx, irq))
- return;
-
- set_io_apic_irq_attr(attr, ioapic_idx, pin, irq_trigger(idx),
-irq_polarity(idx));
-
- io_apic_setup_irq_pin_once(irq, node, attr);
-}
-
-/*
* Set up the timer pin, possibly with the 8259A-master behind.
*/
static void __init setup_timer_IRQ0_pin(unsigned int ioapic_idx,
@@ -3458,27 +3425,6 @@ io_apic_setup_irq_pin(unsigned int irq, int node, struct
io_apic_irq_attr *attr)
return ret;
}
-int io_apic_setup_irq_pin_once(unsigned int irq, int node,
- struct io_apic_irq_attr *attr)
-{
- unsigned int ioapic_idx = attr-ioapic, pin = attr-ioapic_pin;
- int ret;
- struct IO_APIC_route_entry orig_entry;
-
- /* Avoid
